🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.45 AU - 0.67 AU

Year: 275 Days

Day: 18.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.3

Radius: 8.7

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.66 AU - 0.88 AU

Year: 443 Days

Day: 12.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 15,856,622 km

• M1: 112,946 km (0.107 R)
• M2: 199,564 km (0.08 R)
• M3: 281,842 km (0.074 R)
• M4: 386,860 km (0.101 R)
• M5: 473,028 km (0.099 R)
• M6: 570,716 km (0.118 R)
• M7: 671,395 km (0.04 R)
• M8: 760,256 km (0.108 R)
• M9: 824,883 km (0.101 R)
• M10: 925,712 km (0.106 R)
• M11: 1,030,879 km (0.064 R)
• M12: 1,092,812 km (0.067 R)
• M13: 1,156,092 km (0.109 R)
• M14: 1,247,945 km (0.108 R)
• M15: 1,364,931 km (0.064 R)
• M16: 1,556,267 km (0.088 R)
• M17: 1,676,543 km (0.058 R)
• M18: 1,781,411 km (0.081 R)
• M19: 1,869,375 km (0.115 R)
• M20: 2,030,043 km (0.071 R)
• M21: 2,115,463 km (0.118 R)
• M22: 2,208,813 km (0.118 R)
• M23: 2,385,787 km (0.104 R)
• M24: 2,448,319 km (0.102 R)
• M25: 2,653,118 km (0.091 R)
• M26: 2,717,894 km (0.1 R)
• M27: 2,878,263 km (0.101 R)
• M28: 3,034,443 km (0.081 R)
• M29: 3,117,470 km (0.119 R)
• M30: 3,216,354 km (0.106 R)
• M31: 3,277,839 km (0.079 R)
• M32: 3,441,050 km (0.1 R)
• M33: 3,511,810 km (0.11 R)
• M34: 3,583,019 km (0.089 R)
• M35: 3,815,942 km (0.071 R)
• M36: 3,963,147 km (0.026 R)
• M37: 4,178,867 km (0.119 R)
• M38: 4,254,563 km (0.072 R)
• M39: 4,364,518 km (0.101 R)
• M40: 4,484,196 km (0.047 R)
• M41: 4,613,449 km (0.117 R)
• M42: 4,691,688 km (0.088 R)
• M43: 4,805,383 km (0.082 R)
• M44: 4,875,843 km (0.057 R)
• M45: 4,973,381 km (0.072 R)
• M46: 5,044,590 km (0.117 R)
• M47: 5,107,271 km (0.093 R)
• M48: 5,170,252 km (0.114 R)
• M49: 5,269,585 km (0.089 R)
• M50: 5,369,666 km (0.119 R)
• M51: 5,748,149 km (0.082 R)
• M52: 5,917,045 km (0.111 R)
• M53: 6,087,586 km (0.117 R)
• M54: 6,173,455 km (0.097 R)
• M55: 6,482,225 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.3

Radius: 10.6

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.1 AU - 1.76 AU

Year: 1122 Days

Day: 7.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 15,856,622 km

• M1: 198,217 km (0.074 R)
• M2: 345,421 km (0.042 R)
• M3: 472,430 km (0.075 R)
• M4: 583,282 km (0.117 R)
• M5: 720,015 km (0.113 R)
• M6: 851,361 km (0.1 R)
• M7: 1,064,090 km (0.05 R)
• M8: 1,151,604 km (0.08 R)
• M9: 1,254,827 km (0.104 R)
• M10: 1,450,202 km (0.057 R)
• M11: 1,555,219 km (0.076 R)
• M12: 1,758,523 km (0.061 R)
• M13: 1,840,652 km (0.115 R)
• M14: 2,056,073 km (0.115 R)
• M15: 2,175,003 km (0.116 R)
• M16: 2,320,712 km (0.11 R)
• M17: 2,394,763 km (0.06 R)
• M18: 2,503,221 km (0.038 R)
• M19: 2,707,871 km (0.043 R)
• M20: 2,777,284 km (0.077 R)
• M21: 2,980,438 km (0.094 R)
• M22: 3,382,707 km (0.045 R)
• M23: 3,457,656 km (0.111 R)
• M24: 3,552,351 km (0.082 R)
• M25: 3,812,053 km (0.11 R)
• M26: 3,958,958 km (0.114 R)
• M27: 4,137,877 km (0.06 R)
• M28: 4,228,384 km (0.096 R)
• M29: 4,837,846 km (0.073 R)
• M30: 5,104,579 km (0.112 R)
• M31: 5,486,053 km (0.095 R)
• M32: 5,574,465 km (0.064 R)
• M33: 5,876,653 km (0.099 R)
• M34: 6,012,787 km (0.065 R)
• M35: 6,149,819 km (0.118 R)
• M36: 6,311,235 km (0.115 R)
• M37: 6,473,848 km (0.117 R)
• M38: 6,958,395 km (0.119 R)
• M39: 7,417,960 km (0.117 R)
• M40: 7,565,164 km (0.104 R)
• M41: 7,862,565 km (0.119 R)
• M42: 8,012,612 km (0.117 R)
• M43: 8,609,806 km (0.112 R)
• M44: 8,686,999 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.2

Radius: 8.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.63 AU - 2.09 AU

Year: 1664 Days

Day: 11.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 15,856,622 km

• M1: 116,686 km (0.101 R)
• M2: 343,178 km (0.118 R)
• M3: 404,363 km (0.101 R)
• M4: 533,616 km (0.111 R)
• M5: 812,915 km (0.119 R)
• M6: 1,169,257 km (0.084 R)
• M7: 1,233,135 km (0.106 R)
• M8: 1,289,683 km (0.069 R)
• M9: 1,491,940 km (0.088 R)
• M10: 1,571,077 km (0.077 R)
• M11: 1,694,944 km (0.085 R)
• M12: 1,753,137 km (0.109 R)
• M13: 1,851,872 km (0.064 R)
• M14: 1,906,924 km (0.117 R)
• M15: 2,029,146 km (0.044 R)
• M16: 2,211,954 km (0.093 R)
• M17: 2,308,146 km (0.089 R)
• M18: 2,493,647 km (0.119 R)
• M19: 2,582,658 km (0.099 R)
• M20: 2,724,028 km (0.028 R)
• M21: 2,943,637 km (0.062 R)
• M22: 3,037,884 km (0.052 R)
• M23: 3,388,093 km (0.082 R)
• M24: 3,847,059 km (0.099 R)
• M25: 3,943,849 km (0.12 R)
• M26: 4,120,075 km (0.119 R)
• M27: 4,186,048 km (0.101 R)
• M28: 4,616,441 km (0.082 R)
• M29: 4,671,343 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.8

Radius: 13.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.87 AU - 2.07 AU

Year: 1814 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 15,856,622 km

• M1: 173,534 km (0.084 R)
• M2: 331,060 km (0.095 R)
• M3: 587,920 km (0.059 R)
• M4: 699,819 km (0.077 R)
• M5: 927,656 km (0.092 R)
• M6: 1,113,607 km (0.068 R)
• M7: 1,376,450 km (0.091 R)
• M8: 1,465,910 km (0.029 R)
• M9: 1,616,854 km (0.087 R)
• M10: 1,711,699 km (0.11 R)
• M11: 2,148,674 km (0.05 R)
• M12: 2,244,118 km (0.034 R)
• M13: 2,350,931 km (0.116 R)
• M14: 2,489,309 km (0.086 R)
• M15: 2,610,184 km (0.093 R)
• M16: 2,753,798 km (0.108 R)
• M17: 3,146,193 km (0.09 R)
• M18: 3,255,250 km (0.091 R)
• M19: 3,376,873 km (0.107 R)
• M20: 3,624,756 km (0.043 R)
• M21: 3,890,293 km (0.109 R)
• M22: 4,294,805 km (0.088 R)
• M23: 4,650,549 km (0.068 R)
• M24: 5,169,953 km (0.068 R)
• M25: 5,260,460 km (0.065 R)
• M26: 5,456,283 km (0.052 R)
• M27: 5,575,064 km (0.07 R)
• M28: 5,694,593 km (0.051 R)
• M29: 5,895,802 km (0.082 R)
• M30: 6,017,724 km (0.053 R)
• M31: 6,277,725 km (0.113 R)
• M32: 6,360,602 km (0.077 R)
• M33: 6,485,666 km (0.087 R)
• M34: 6,696,001 km (0.111 R)
• M35: 6,809,097 km (0.052 R)
• M36: 7,080,168 km (0.069 R)
• M37: 7,195,508 km (0.118 R)
• M38: 7,311,297 km (0.109 R)
• M39: 8,351,750 km (0.082 R)
• M40: 8,504,190 km (0.039 R)
• M41: 8,796,504 km (0.092 R)
• M42: 9,233,181 km (0.03 R)
• M43: 9,406,714 km (0.113 R)
• M44: 9,966,061 km (0.057 R)
• M45: 10,339,457 km (0.086 R)
• M46: 10,503,267 km (0.105 R)
• M47: 10,883,395 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.2

Radius: 11.7

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.36 AU - 3.64 AU

Year: 3409 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 15,856,622 km

• M1: 162,912 km (0.109 R)
• M2: 347,067 km (0.1 R)
• M3: 458,667 km (0.104 R)
• M4: 566,527 km (0.074 R)
• M5: 901,926 km (0.085 R)
• M6: 1,092,364 km (0.098 R)
• M7: 1,205,759 km (0.1 R)
• M8: 1,376,749 km (0.116 R)
• M9: 1,458,579 km (0.049 R)
• M10: 1,802,654 km (0.09 R)
• M11: 2,382,795 km (0.099 R)
• M12: 2,465,523 km (0.081 R)
• M13: 2,600,011 km (0.113 R)
• M14: 2,685,282 km (0.116 R)
• M15: 2,806,306 km (0.057 R)
• M16: 3,290,555 km (0.086 R)
• M17: 3,420,406 km (0.056 R)
• M18: 3,533,203 km (0.118 R)
• M19: 3,878,774 km (0.076 R)
• M20: 4,055,748 km (0.1 R)
• M21: 4,499,754 km (0.076 R)
• M22: 4,644,266 km (0.086 R)
• M23: 5,151,702 km (0.101 R)
• M24: 5,368,469 km (0.088 R)
• M25: 5,521,957 km (0.092 R)
• M26: 5,900,888 km (0.074 R)
• M27: 6,082,051 km (0.106 R)
• M28: 6,196,344 km (0.115 R)
• M29: 6,450,211 km (0.117 R)
• M30: 6,566,748 km (0.107 R)
• M31: 6,684,033 km (0.088 R)
• M32: 7,183,989 km (0.041 R)
• M33: 7,280,629 km (0.117 R)
• M34: 7,819,929 km (0.092 R)
• M35: 7,919,412 km (0.072 R)
• M36: 8,296,100 km (0.068 R)
• M37: 8,911,096 km (0.079 R)
• M38: 9,382,030 km (0.107 R)
• M39: 9,461,317 km (0.107 R)
• M40: 9,700,524 km (0.108 R)
• M41: 9,941,826 km (0.089 R)
• M42: 10,677,249 km (0.117 R)
• M43: 11,037,780 km (0.11 R)
• M44: 11,402,200 km (0.113 R)
• M45: 11,515,146 km (0.099 R)
• M46: 11,913,376 km (0.079 R)
• M47: 12,548,419 km (0.088 R)
• M48: 12,840,733 km (0.075 R)
• M49: 12,928,846 km (0.083 R)
• M50: 13,491,634 km (0.114 R)
• M51: 14,183,673 km (0.109 R)
• M52: 14,274,778 km (0.057 R)
• M53: 14,887,232 km (0.063 R)
• M54: 15,383,448 km (0.052 R)
• M55: 15,539,628 km (0.055 R)
• M56: 15,727,823 km (0.1 R)
• M57: 16,233,164 km (0.103 R)
• M58: 16,360,322 km (0.116 R)
• M59: 16,551,658 km (0.065 R)
• M60: 17,584,931 km (0.063 R)
• M61: 18,241,366 km (0.117 R)
• M62: 18,472,943 km (0.049 R)
• M63: 18,672,357 km (0.119 R)
• M64: 19,039,620 km (0.073 R)
• M65: 19,274,638 km (0.085 R)
• M66: 19,781,476 km (0.05 R)
• M67: 19,917,311 km (0.099 R)
• M68: 20,224,136 km (0.054 R)
• M69: 20,326,760 km (0.055 R)
• M70: 20,567,014 km (0.119 R)
• M71: 20,773,609 km (0.03 R)
• M72: 21,397,731 km (0.098 R)
• M73: 22,027,838 km (0.104 R)
• M74: 22,345,284 km (0.038 R)
• M75: 22,735,286 km (0.066 R)
• M76: 23,378,258 km (0.083 R)
• M77: 23,593,978 km (0.081 R)
• M78: 23,738,041 km (0.116 R)
• M79: 24,244,878 km (0.093 R)
• M80: 24,426,789 km (0.064 R)

Asteroid Belt

Center: 3.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 13.6

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.65 AU - 4.61 AU

Year: 5506 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 15,856,622 km

• M1: 169,644 km (0.115 R)
• M2: 323,879 km (0.113 R)
• M3: 429,047 km (0.056 R)
• M4: 578,645 km (0.077 R)
• M5: 718,219 km (0.118 R)
• M6: 821,292 km (0.056 R)
• M7: 912,996 km (0.063 R)
• M8: 1,173,147 km (0.028 R)
• M9: 1,268,740 km (0.109 R)
• M10: 1,499,270 km (0.116 R)
• M11: 1,765,853 km (0.105 R)
• M12: 1,854,565 km (0.064 R)
• M13: 2,013,587 km (0.097 R)
• M14: 2,141,793 km (0.098 R)
• M15: 2,394,464 km (0.053 R)
• M16: 2,631,726 km (0.119 R)
• M17: 2,837,572 km (0.068 R)
• M18: 2,995,548 km (0.07 R)
• M19: 3,306,711 km (0.067 R)
• M20: 3,557,587 km (0.073 R)
• M21: 3,699,855 km (0.112 R)
• M22: 3,814,895 km (0.103 R)
• M23: 4,048,866 km (0.108 R)
• M24: 4,137,728 km (0.055 R)
• M25: 4,272,515 km (0.09 R)
• M26: 4,408,649 km (0.052 R)
• M27: 4,561,688 km (0.112 R)
• M28: 4,716,522 km (0.093 R)
• M29: 5,207,801 km (0.076 R)
• M30: 5,715,536 km (0.055 R)
• M31: 5,899,542 km (0.055 R)
• M32: 6,102,546 km (0.115 R)
• M33: 6,743,274 km (0.073 R)
• M34: 7,296,636 km (0.067 R)
• M35: 7,387,292 km (0.038 R)
• M36: 7,588,053 km (0.084 R)
• M37: 8,257,653 km (0.102 R)
• M38: 8,352,199 km (0.101 R)
• M39: 8,695,526 km (0.098 R)
• M40: 9,376,346 km (0.094 R)
• M41: 9,813,172 km (0.117 R)
• M42: 9,913,402 km (0.049 R)
• M43: 10,934,408 km (0.097 R)
• M44: 11,331,141 km (0.113 R)
• M45: 11,690,176 km (0.057 R)
• M46: 12,160,362 km (0.08 R)
• M47: 12,462,849 km (0.044 R)
• M48: 12,571,457 km (0.083 R)
• M49: 12,702,206 km (0.089 R)
• M50: 13,163,565 km (0.117 R)
• M51: 13,496,421 km (0.079 R)
• M52: 14,125,330 km (0.082 R)
• M53: 14,215,986 km (0.059 R)
• M54: 14,580,407 km (0.102 R)
• M55: 14,878,705 km (0.036 R)
• M56: 15,411,722 km (0.107 R)
• M57: 15,668,731 km (0.115 R)
• M58: 15,762,529 km (0.109 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: 218 - 19,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit