🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.47 AU - 0.73 AU

Year: 300 Days

Day: 12.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,390,438 km

• M1: 300,243 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 9.2

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.74 AU - 0.74 AU

Year: 411 Days

Day: 5.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 21,390,438 km

• M1: 120,576 km (0.103 R)
• M2: 190,887 km (0.093 R)
• M3: 284,386 km (0.103 R)
• M4: 342,579 km (0.118 R)
• M5: 475,272 km (0.051 R)
• M6: 552,465 km (0.069 R)
• M7: 646,712 km (0.101 R)
• M8: 772,823 km (0.073 R)
• M9: 839,244 km (0.08 R)
• M10: 898,485 km (0.102 R)
• M11: 968,646 km (0.08 R)
• M12: 1,031,029 km (0.097 R)
• M13: 1,119,890 km (0.119 R)
• M14: 1,201,121 km (0.08 R)
• M15: 1,407,716 km (0.081 R)
• M16: 1,535,024 km (0.114 R)
• M17: 1,608,776 km (0.108 R)
• M18: 1,701,077 km (0.074 R)
• M19: 1,976,936 km (0.1 R)
• M20: 2,057,420 km (0.105 R)
• M21: 2,228,410 km (0.074 R)
• M22: 2,584,303 km (0.034 R)
• M23: 2,700,092 km (0.067 R)
• M24: 2,866,594 km (0.075 R)
• M25: 2,972,360 km (0.119 R)
• M26: 3,043,718 km (0.072 R)
• M27: 3,137,217 km (0.051 R)
• M28: 3,364,157 km (0.09 R)
• M29: 3,460,947 km (0.12 R)
• M30: 3,642,110 km (0.117 R)
• M31: 3,710,775 km (0.118 R)
• M32: 3,795,448 km (0.093 R)
• M33: 3,880,718 km (0.096 R)
• M34: 3,958,808 km (0.114 R)
• M35: 4,061,133 km (0.066 R)
• M36: 4,220,156 km (0.078 R)
• M37: 4,340,881 km (0.09 R)
• M38: 4,503,644 km (0.118 R)
• M39: 4,635,290 km (0.111 R)
• M40: 4,709,939 km (0.072 R)
• M41: 4,826,925 km (0.109 R)
• M42: 4,885,717 km (0.09 R)
• M43: 5,080,643 km (0.099 R)
• M44: 5,140,482 km (0.053 R)
• M45: 5,217,824 km (0.11 R)
• M46: 5,304,142 km (0.085 R)
• M47: 5,391,058 km (0.085 R)
• M48: 5,539,759 km (0.08 R)
• M49: 5,654,351 km (0.031 R)
• M50: 5,841,198 km (0.096 R)
• M51: 6,048,242 km (0.059 R)
• M52: 6,120,797 km (0.098 R)
• M53: 6,193,801 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.5

Radius: 9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.76 AU - 0.96 AU

Year: 515 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 21,390,438 km

• M1: 112,049 km (0.075 R)
• M2: 187,745 km (0.101 R)
• M3: 331,359 km (0.107 R)
• M4: 411,544 km (0.088 R)
• M5: 493,673 km (0.071 R)
• M6: 628,461 km (0.109 R)
• M7: 729,140 km (0.042 R)
• M8: 971,489 km (0.079 R)
• M9: 1,052,571 km (0.062 R)
• M10: 1,131,708 km (0.065 R)
• M11: 1,247,945 km (0.107 R)
• M12: 1,377,348 km (0.081 R)
• M13: 1,436,888 km (0.093 R)
• M14: 1,506,600 km (0.091 R)
• M15: 1,640,041 km (0.099 R)
• M16: 1,732,792 km (0.077 R)
• M17: 1,832,424 km (0.039 R)
• M18: 1,944,324 km (0.114 R)
• M19: 2,027,051 km (0.115 R)
• M20: 2,084,646 km (0.097 R)
• M21: 2,196,246 km (0.087 R)
• M22: 2,342,703 km (0.106 R)
• M23: 2,492,450 km (0.071 R)
• M24: 2,588,492 km (0.034 R)
• M25: 2,651,173 km (0.119 R)
• M26: 2,760,829 km (0.082 R)
• M27: 2,860,162 km (0.101 R)
• M28: 2,990,461 km (0.086 R)
• M29: 3,116,872 km (0.106 R)
• M30: 3,226,527 km (0.068 R)
• M31: 3,288,012 km (0.116 R)
• M32: 3,381,061 km (0.074 R)
• M33: 3,449,876 km (0.09 R)
• M34: 3,506,424 km (0.117 R)
• M35: 3,911,685 km (0.102 R)
• M36: 4,003,688 km (0.111 R)
• M37: 4,136,531 km (0.094 R)
• M38: 4,217,014 km (0.063 R)
• M39: 4,291,065 km (0.041 R)
• M40: 4,536,855 km (0.052 R)
• M41: 4,675,532 km (0.067 R)
• M42: 4,752,276 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.3

Radius: 8.9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.2 AU - 1.24 AU

Year: 870 Days

Day: 14.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 21,390,438 km

• M1: 111,450 km (0.1 R)
• M2: 216,767 km (0.05 R)
• M3: 323,879 km (0.115 R)
• M4: 449,093 km (0.076 R)
• M5: 506,987 km (0.071 R)
• M6: 592,108 km (0.066 R)
• M7: 756,367 km (0.119 R)
• M8: 855,550 km (0.048 R)
• M9: 918,531 km (0.107 R)
• M10: 977,173 km (0.084 R)
• M11: 1,055,413 km (0.034 R)
• M12: 1,110,914 km (0.072 R)
• M13: 1,186,610 km (0.044 R)
• M14: 1,290,282 km (0.109 R)
• M15: 1,390,213 km (0.091 R)
• M16: 1,472,193 km (0.12 R)
• M17: 1,698,833 km (0.102 R)
• M18: 1,794,277 km (0.095 R)
• M19: 1,876,406 km (0.105 R)
• M20: 2,138,202 km (0.102 R)
• M21: 2,217,489 km (0.115 R)
• M22: 2,289,745 km (0.101 R)
• M23: 2,494,544 km (0.119 R)
• M24: 2,688,423 km (0.079 R)
• M25: 2,748,412 km (0.089 R)
• M26: 2,843,556 km (0.058 R)
• M27: 2,992,855 km (0.119 R)
• M28: 3,126,745 km (0.092 R)
• M29: 3,226,228 km (0.079 R)
• M30: 3,465,584 km (0.118 R)
• M31: 3,521,683 km (0.106 R)
• M32: 3,701,201 km (0.097 R)
• M33: 4,079,384 km (0.104 R)
• M34: 4,318,292 km (0.077 R)
• M35: 4,388,753 km (0.075 R)
• M36: 4,695,578 km (0.115 R)
• M37: 4,778,455 km (0.096 R)
• M38: 5,019,757 km (0.102 R)
• M39: 5,222,162 km (0.054 R)
• M40: 5,394,798 km (0.073 R)
• M41: 5,503,556 km (0.088 R)
• M42: 5,635,053 km (0.069 R)
• M43: 5,756,526 km (0.082 R)
• M44: 6,035,975 km (0.076 R)
• M45: 6,262,616 km (0.103 R)
• M46: 6,319,762 km (0.11 R)
• M47: 6,411,615 km (0.059 R)
• M48: 6,538,474 km (0.106 R)
• M49: 6,666,231 km (0.061 R)
• M50: 7,090,041 km (0.071 R)
• M51: 7,185,485 km (0.105 R)
• M52: 7,668,836 km (0.113 R)
• M53: 7,730,021 km (0.038 R)
• M54: 7,791,356 km (0.068 R)
• M55: 7,877,375 km (0.114 R)
• M56: 8,013,509 km (0.09 R)
• M57: 8,476,664 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 14.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.73 AU - 2.89 AU

Year: 3041 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 21,390,438 km

• M1: 180,265 km (0.097 R)
• M2: 277,803 km (0.036 R)
• M3: 371,751 km (0.117 R)
• M4: 515,215 km (0.096 R)
• M5: 690,095 km (0.067 R)
• M6: 816,954 km (0.12 R)
• M7: 1,276,967 km (0.101 R)
• M8: 1,370,915 km (0.057 R)
• M9: 1,596,359 km (0.04 R)
• M10: 1,760,767 km (0.106 R)
• M11: 1,855,911 km (0.104 R)
• M12: 2,051,436 km (0.096 R)
• M13: 2,208,513 km (0.052 R)
• M14: 2,475,396 km (0.085 R)
• M15: 2,939,748 km (0.096 R)
• M16: 3,079,472 km (0.079 R)
• M17: 3,286,665 km (0.07 R)
• M18: 3,498,645 km (0.065 R)
• M19: 3,936,219 km (0.086 R)
• M20: 4,304,828 km (0.066 R)
• M21: 4,420,467 km (0.103 R)
• M22: 4,537,303 km (0.107 R)
• M23: 4,848,766 km (0.063 R)
• M24: 4,954,083 km (0.089 R)
• M25: 5,259,562 km (0.12 R)
• M26: 5,368,020 km (0.108 R)
• M27: 5,461,519 km (0.111 R)
• M28: 5,555,616 km (0.079 R)
• M29: 5,650,162 km (0.057 R)
• M30: 5,841,049 km (0.099 R)
• M31: 5,937,390 km (0.108 R)
• M32: 6,147,724 km (0.091 R)
• M33: 6,245,711 km (0.086 R)
• M34: 6,509,452 km (0.107 R)
• M35: 6,626,138 km (0.074 R)
• M36: 6,844,551 km (0.11 R)
• M37: 7,185,186 km (0.119 R)
• M38: 7,322,965 km (0.1 R)
• M39: 7,548,858 km (0.103 R)
• M40: 7,741,839 km (0.044 R)
• M41: 7,918,664 km (0.056 R)
• M42: 8,186,594 km (0.105 R)
• M43: 8,348,758 km (0.085 R)
• M44: 8,530,220 km (0.056 R)
• M45: 8,878,484 km (0.052 R)
• M46: 9,362,882 km (0.106 R)
• M47: 9,532,526 km (0.099 R)
• M48: 9,817,659 km (0.12 R)
• M49: 9,932,551 km (0.117 R)
• M50: 10,689,815 km (0.061 R)
• M51: 10,986,168 km (0.103 R)
• M52: 11,205,180 km (0.097 R)
• M53: 11,405,491 km (0.094 R)
• M54: 11,769,164 km (0.098 R)
• M55: 12,136,726 km (0.088 R)
• M56: 12,363,217 km (0.101 R)
• M57: 13,156,385 km (0.113 R)
• M58: 13,431,645 km (0.056 R)
• M59: 13,987,700 km (0.109 R)
• M60: 14,355,262 km (0.095 R)
• M61: 14,551,235 km (0.115 R)
• M62: 14,813,929 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.2

Radius: 13.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.74 AU - 4.26 AU

Year: 4228 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 21,390,438 km

• M1: 176,675 km (0.112 R)
• M2: 302,786 km (0.068 R)
• M3: 414,536 km (0.056 R)
• M4: 538,552 km (0.095 R)
• M5: 713,133 km (0.117 R)
• M6: 813,214 km (0.097 R)
• M7: 1,144,723 km (0.037 R)
• M8: 1,309,879 km (0.092 R)
• M9: 1,579,305 km (0.11 R)
• M10: 2,158,398 km (0.091 R)
• M11: 2,254,290 km (0.087 R)
• M12: 2,464,625 km (0.091 R)
• M13: 2,550,644 km (0.12 R)
• M14: 2,770,403 km (0.107 R)
• M15: 3,119,415 km (0.119 R)
• M16: 3,244,329 km (0.105 R)
• M17: 3,386,746 km (0.065 R)
• M18: 3,547,564 km (0.092 R)
• M19: 4,164,506 km (0.1 R)
• M20: 4,406,854 km (0.059 R)
• M21: 4,582,931 km (0.107 R)
• M22: 4,725,348 km (0.116 R)
• M23: 5,051,471 km (0.062 R)
• M24: 5,802,453 km (0.116 R)
• M25: 6,568,244 km (0.102 R)
• M26: 7,034,840 km (0.091 R)
• M27: 7,470,469 km (0.115 R)
• M28: 7,617,524 km (0.117 R)
• M29: 7,808,111 km (0.107 R)
• M30: 8,520,646 km (0.117 R)
• M31: 8,696,573 km (0.104 R)
• M32: 8,851,556 km (0.109 R)
• M33: 8,984,998 km (0.033 R)
• M34: 9,209,095 km (0.109 R)
• M35: 9,321,743 km (0.072 R)
• M36: 9,617,049 km (0.071 R)
• M37: 9,731,341 km (0.101 R)
• M38: 9,869,271 km (0.102 R)
• M39: 10,123,737 km (0.077 R)
• M40: 10,240,124 km (0.071 R)
• M41: 10,380,297 km (0.094 R)
• M42: 10,639,101 km (0.108 R)
• M43: 10,852,428 km (0.104 R)
• M44: 11,067,250 km (0.098 R)
• M45: 11,549,554 km (0.076 R)
• M46: 11,695,562 km (0.083 R)
• M47: 11,940,453 km (0.048 R)
• M48: 12,211,674 km (0.106 R)
• M49: 12,310,858 km (0.031 R)
• M50: 12,634,887 km (0.077 R)
• M51: 13,215,177 km (0.119 R)
• M52: 13,624,028 km (0.107 R)
• M53: 13,726,951 km (0.093 R)
• M54: 14,037,067 km (0.045 R)
• M55: 14,219,128 km (0.102 R)
• M56: 14,401,937 km (0.041 R)
• M57: 14,902,042 km (0.076 R)
• M58: 15,194,207 km (0.052 R)
• M59: 16,109,148 km (0.104 R)
• M60: 16,299,885 km (0.11 R)
• M61: 16,463,844 km (0.119 R)
• M62: 16,876,136 km (0.086 R)
• M63: 17,069,865 km (0.07 R)
• M64: 17,208,542 km (0.058 R)
• M65: 17,319,843 km (0.087 R)
• M66: 18,559,561 km (0.095 R)
• M67: 18,673,704 km (0.115 R)
• M68: 19,161,393 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 13.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.65 AU - 4.05 AU

Year: 4878 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 21,390,438 km

• M1: 204,949 km (0.098 R)
• M2: 318,643 km (0.104 R)
• M3: 654,491 km (0.073 R)
• M4: 789,877 km (0.12 R)
• M5: 944,711 km (0.087 R)
• M6: 1,101,190 km (0.083 R)
• M7: 1,516,025 km (0.112 R)
• M8: 1,657,844 km (0.057 R)
• M9: 1,770,192 km (0.107 R)
• M10: 1,873,564 km (0.058 R)
• M11: 1,990,848 km (0.084 R)
• M12: 2,110,826 km (0.075 R)
• M13: 2,283,013 km (0.076 R)
• M14: 2,383,543 km (0.06 R)
• M15: 2,524,165 km (0.105 R)
• M16: 2,814,235 km (0.102 R)
• M17: 3,115,376 km (0.055 R)
• M18: 3,213,362 km (0.037 R)
• M19: 3,340,969 km (0.103 R)
• M20: 3,660,211 km (0.091 R)
• M21: 3,823,572 km (0.054 R)
• M22: 4,485,692 km (0.063 R)
• M23: 4,741,355 km (0.111 R)
• M24: 5,200,321 km (0.09 R)
• M25: 5,334,062 km (0.116 R)
• M26: 5,656,595 km (0.11 R)
• M27: 5,863,489 km (0.042 R)
• M28: 5,985,411 km (0.102 R)
• M29: 6,196,344 km (0.074 R)
• M30: 6,752,848 km (0.082 R)
• M31: 7,194,760 km (0.041 R)
• M32: 7,589,250 km (0.109 R)
• M33: 7,741,391 km (0.104 R)
• M34: 7,836,984 km (0.09 R)
• M35: 7,990,770 km (0.031 R)
• M36: 8,262,440 km (0.04 R)
• M37: 8,635,986 km (0.055 R)
• M38: 9,563,343 km (0.105 R)
• M39: 9,686,612 km (0.117 R)
• M40: 9,810,479 km (0.06 R)
• M41: 9,914,000 km (0.08 R)
• M42: 10,290,090 km (0.058 R)
• M43: 10,543,359 km (0.118 R)
• M44: 11,686,735 km (0.107 R)
• M45: 11,840,671 km (0.075 R)
• M46: 12,195,218 km (0.071 R)
• M47: 12,396,128 km (0.08 R)
• M48: 12,575,646 km (0.081 R)
• M49: 12,665,853 km (0.083 R)
• M50: 12,846,717 km (0.096 R)
• M51: 13,005,590 km (0.064 R)
• M52: 13,325,580 km (0.032 R)
• M53: 13,509,436 km (0.048 R)
• M54: 13,740,714 km (0.103 R)
• M55: 13,926,515 km (0.106 R)
• M56: 14,253,835 km (0.069 R)
• M57: 14,536,425 km (0.117 R)
• M58: 14,773,388 km (0.067 R)
• M59: 15,178,948 km (0.105 R)
• M60: 15,371,181 km (0.104 R)
• M61: 15,540,077 km (0.082 R)
• M62: 15,636,867 km (0.109 R)
• M63: 15,782,276 km (0.116 R)
• M64: 16,197,111 km (0.115 R)
• M65: 16,516,652 km (0.09 R)
• M66: 16,640,220 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.3

Radius: 5.6

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.26 AU - 12.02 AU

Year: 19326 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 21,390,438 km

• M1: 185,950 km (0.117 R)
• M2: 1,000,660 km (0.094 R)
• M3: 1,283,550 km (0.069 R)
• M4: 1,396,047 km (0.105 R)
• M5: 1,603,839 km (0.067 R)
• M6: 1,877,453 km (0.101 R)
• M7: 2,106,787 km (0.075 R)
• M8: 2,254,739 km (0.08 R)
• M9: 2,436,800 km (0.06 R)
• M10: 2,847,446 km (0.105 R)
• M11: 3,211,717 km (0.102 R)
• M12: 3,262,430 km (0.075 R)
• M13: 3,785,275 km (0.074 R)
• M14: 4,166,749 km (0.041 R)
• M15: 4,333,850 km (0.109 R)
• M16: 5,024,544 km (0.095 R)
• M17: 5,935,296 km (0.047 R)
• M18: 5,976,884 km (0.108 R)
• M19: 6,207,713 km (0.052 R)
• M20: 6,613,273 km (0.044 R)
• M21: 6,743,124 km (0.036 R)
• M22: 6,873,873 km (0.048 R)
• M23: 7,789,262 km (0.085 R)
• M24: 10,102,793 km (0.118 R)
• M25: 10,478,284 km (0.09 R)
• M26: 10,960,288 km (0.106 R)
• M27: 11,114,075 km (0.059 R)
• M28: 12,210,178 km (0.091 R)
• M29: 12,502,941 km (0.102 R)
• M30: 14,391,465 km (0.085 R)
• M31: 14,503,514 km (0.092 R)
• M32: 14,644,285 km (0.11 R)
• M33: 15,988,123 km (0.077 R)
• M34: 18,638,997 km (0.039 R)
• M35: 19,780,429 km (0.063 R)
• M36: 19,936,310 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 18,943 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit