🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.48 AU - 0.66 AU

Year: 282 Days

Day: 28.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,240,830 km

• M1: 123,418 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 15

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.66 AU - 0.7 AU

Year: 368 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,240,830 km

• M1: 197,170 km (0.05 R)
• M2: 299,495 km (0.111 R)
• M3: 414,685 km (0.112 R)
• M4: 543,190 km (0.105 R)
• M5: 638,933 km (0.051 R)
• M6: 770,279 km (0.091 R)
• M7: 868,416 km (0.058 R)
• M8: 1,101,190 km (0.112 R)
• M9: 1,202,916 km (0.115 R)
• M10: 1,396,347 km (0.096 R)
• M11: 1,490,892 km (0.118 R)
• M12: 1,609,075 km (0.054 R)
• M13: 1,739,524 km (0.093 R)
• M14: 1,833,172 km (0.08 R)
• M15: 1,951,504 km (0.091 R)
• M16: 2,058,467 km (0.108 R)
• M17: 2,196,246 km (0.08 R)
• M18: 2,332,380 km (0.101 R)
• M19: 2,436,351 km (0.058 R)
• M20: 2,536,881 km (0.027 R)
• M21: 2,716,398 km (0.115 R)
• M22: 2,857,918 km (0.083 R)
• M23: 2,964,282 km (0.047 R)
• M24: 3,088,448 km (0.037 R)
• M25: 3,225,330 km (0.081 R)
• M26: 3,347,552 km (0.108 R)
• M27: 3,482,638 km (0.112 R)
• M28: 3,585,263 km (0.07 R)
• M29: 3,700,453 km (0.117 R)
• M30: 3,828,658 km (0.118 R)
• M31: 4,077,589 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.6

Radius: 9.7

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.74 AU - 0.92 AU

Year: 496 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 46,240,830 km

• M1: 128,355 km (0.079 R)
• M2: 219,909 km (0.063 R)
• M3: 324,627 km (0.085 R)
• M4: 401,371 km (0.115 R)
• M5: 463,005 km (0.113 R)
• M6: 581,487 km (0.071 R)
• M7: 679,773 km (0.076 R)
• M8: 793,766 km (0.096 R)
• M9: 904,618 km (0.068 R)
• M10: 995,275 km (0.091 R)
• M11: 1,089,072 km (0.054 R)
• M12: 1,153,400 km (0.098 R)
• M13: 1,224,608 km (0.036 R)
• M14: 1,377,497 km (0.108 R)
• M15: 1,671,158 km (0.067 R)
• M16: 1,733,690 km (0.107 R)
• M17: 1,841,699 km (0.115 R)
• M18: 1,925,773 km (0.095 R)
• M19: 2,017,926 km (0.101 R)
• M20: 2,158,847 km (0.112 R)
• M21: 2,247,858 km (0.065 R)
• M22: 2,338,065 km (0.085 R)
• M23: 2,401,195 km (0.1 R)
• M24: 2,472,105 km (0.053 R)
• M25: 2,587,146 km (0.086 R)
• M26: 2,740,633 km (0.091 R)
• M27: 2,867,193 km (0.096 R)
• M28: 2,942,590 km (0.071 R)
• M29: 3,003,476 km (0.117 R)
• M30: 3,064,662 km (0.081 R)
• M31: 3,126,296 km (0.053 R)
• M32: 3,765,678 km (0.048 R)
• M33: 4,126,059 km (0.082 R)
• M34: 4,194,276 km (0.071 R)
• M35: 4,262,941 km (0.081 R)
• M36: 4,567,821 km (0.058 R)
• M37: 4,763,047 km (0.103 R)
• M38: 4,897,834 km (0.094 R)
• M39: 5,152,749 km (0.108 R)
• M40: 5,263,302 km (0.085 R)
• M41: 5,374,752 km (0.104 R)
• M42: 5,440,127 km (0.093 R)
• M43: 5,524,500 km (0.103 R)
• M44: 5,637,745 km (0.058 R)
• M45: 5,704,167 km (0.075 R)
• M46: 5,943,523 km (0.036 R)
• M47: 6,147,126 km (0.088 R)
• M48: 6,303,755 km (0.04 R)
• M49: 6,441,984 km (0.12 R)
• M50: 6,661,144 km (0.067 R)
• M51: 6,832,284 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.5

Radius: 9.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.8 AU - 0.98 AU

Year: 551 Days

Day: 8 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,240,830 km

• M1: 153,787 km (0.111 R)
• M2: 237,412 km (0.046 R)
• M3: 390,151 km (0.099 R)
• M4: 467,942 km (0.091 R)
• M5: 549,922 km (0.093 R)
• M6: 632,500 km (0.112 R)
• M7: 737,966 km (0.044 R)
• M8: 930,499 km (0.088 R)
• M9: 1,109,119 km (0.04 R)
• M10: 1,198,129 km (0.045 R)
• M11: 1,286,542 km (0.094 R)
• M12: 1,351,018 km (0.092 R)
• M13: 1,416,692 km (0.084 R)
• M14: 1,497,026 km (0.085 R)
• M15: 1,558,361 km (0.104 R)
• M16: 1,855,762 km (0.039 R)
• M17: 1,951,504 km (0.096 R)
• M18: 2,030,043 km (0.037 R)
• M19: 2,182,783 km (0.103 R)
• M20: 2,288,099 km (0.105 R)
• M21: 2,399,101 km (0.067 R)
• M22: 2,544,510 km (0.1 R)
• M23: 2,614,223 km (0.035 R)
• M24: 2,684,534 km (0.103 R)
• M25: 2,780,725 km (0.077 R)
• M26: 2,844,155 km (0.107 R)
• M27: 2,925,087 km (0.103 R)
• M28: 2,993,902 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.7

Radius: 15

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.77 AU - 1.03 AU

Year: 560 Days

Day: 11.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 46,240,830 km

• M1: 190,887 km (0.066 R)
• M2: 391,498 km (0.029 R)
• M3: 526,884 km (0.053 R)
• M4: 652,097 km (0.118 R)
• M5: 843,433 km (0.083 R)
• M6: 1,023,249 km (0.038 R)
• M7: 1,132,157 km (0.063 R)
• M8: 1,369,269 km (0.087 R)
• M9: 1,478,775 km (0.088 R)
• M10: 1,610,571 km (0.11 R)
• M11: 1,859,502 km (0.055 R)
• M12: 2,058,467 km (0.081 R)
• M13: 2,164,083 km (0.111 R)
• M14: 2,308,146 km (0.099 R)
• M15: 2,515,189 km (0.101 R)
• M16: 2,644,142 km (0.117 R)
• M17: 2,932,417 km (0.1 R)
• M18: 3,028,160 km (0.117 R)
• M19: 3,125,100 km (0.039 R)
• M20: 3,255,998 km (0.105 R)
• M21: 3,702,697 km (0.094 R)
• M22: 4,322,780 km (0.111 R)
• M23: 4,432,435 km (0.095 R)
• M24: 4,561,538 km (0.091 R)
• M25: 4,842,633 km (0.112 R)
• M26: 5,042,795 km (0.051 R)
• M27: 5,138,986 km (0.101 R)
• M28: 5,255,373 km (0.097 R)
• M29: 5,402,129 km (0.092 R)
• M30: 5,500,714 km (0.091 R)
• M31: 5,639,840 km (0.037 R)
• M32: 5,830,427 km (0.03 R)
• M33: 5,951,901 km (0.104 R)
• M34: 6,187,218 km (0.089 R)
• M35: 6,342,351 km (0.096 R)
• M36: 6,456,943 km (0.086 R)
• M37: 6,551,340 km (0.044 R)
• M38: 6,783,815 km (0.076 R)
• M39: 6,933,113 km (0.105 R)
• M40: 7,442,644 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 13.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.89 AU - 0.91 AU

Year: 560 Days

Day: 5.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 46,240,830 km

• M1: 170,093 km (0.078 R)
• M2: 269,127 km (0.106 R)
• M3: 356,791 km (0.038 R)
• M4: 548,875 km (0.088 R)
• M5: 636,838 km (0.117 R)
• M6: 726,597 km (0.12 R)
• M7: 1,012,778 km (0.088 R)
• M8: 1,209,948 km (0.104 R)
• M9: 1,296,565 km (0.093 R)
• M10: 1,415,495 km (0.084 R)
• M11: 1,507,348 km (0.064 R)
• M12: 1,611,767 km (0.119 R)
• M13: 1,702,723 km (0.116 R)
• M14: 1,789,939 km (0.079 R)
• M15: 2,049,341 km (0.05 R)
• M16: 2,201,632 km (0.06 R)
• M17: 2,315,326 km (0.037 R)
• M18: 2,511,449 km (0.039 R)
• M19: 2,624,246 km (0.094 R)
• M20: 2,719,689 km (0.093 R)
• M21: 2,874,822 km (0.12 R)
• M22: 3,012,901 km (0.1 R)
• M23: 3,248,219 km (0.113 R)
• M24: 3,350,992 km (0.076 R)
• M25: 3,496,701 km (0.117 R)
• M26: 3,658,715 km (0.111 R)
• M27: 3,765,827 km (0.099 R)
• M28: 3,888,497 km (0.117 R)
• M29: 3,997,853 km (0.095 R)
• M30: 4,093,447 km (0.106 R)
• M31: 4,197,417 km (0.113 R)
• M32: 4,324,725 km (0.042 R)
• M33: 4,506,636 km (0.108 R)
• M34: 4,598,639 km (0.081 R)
• M35: 4,706,648 km (0.082 R)
• M36: 4,815,705 km (0.114 R)
• M37: 4,925,510 km (0.073 R)
• M38: 5,155,591 km (0.048 R)
• M39: 5,268,089 km (0.116 R)
• M40: 5,430,104 km (0.065 R)
• M41: 5,536,318 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.3

Radius: 9.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.23 AU - 1.79 AU

Year: 1217 Days

Day: 9.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 46,240,830 km

• M1: 125,064 km (0.113 R)
• M2: 201,060 km (0.093 R)
• M3: 263,143 km (0.096 R)
• M4: 354,248 km (0.109 R)
• M5: 430,991 km (0.077 R)
• M6: 510,278 km (0.069 R)
• M7: 720,912 km (0.118 R)
• M8: 787,184 km (0.116 R)
• M9: 877,392 km (0.093 R)
• M10: 1,330,523 km (0.08 R)
• M11: 1,420,133 km (0.11 R)
• M12: 1,498,821 km (0.113 R)
• M13: 1,715,738 km (0.069 R)
• M14: 2,045,751 km (0.09 R)
• M15: 2,180,239 km (0.084 R)
• M16: 2,356,615 km (0.076 R)
• M17: 2,529,850 km (0.044 R)
• M18: 2,772,797 km (0.041 R)
• M19: 2,989,713 km (0.061 R)
• M20: 3,066,008 km (0.037 R)
• M21: 3,160,255 km (0.098 R)
• M22: 3,736,955 km (0.098 R)
• M23: 3,846,909 km (0.115 R)
• M24: 3,930,235 km (0.103 R)
• M25: 3,995,460 km (0.103 R)
• M26: 4,174,229 km (0.116 R)
• M27: 4,374,840 km (0.106 R)
• M28: 4,598,339 km (0.116 R)
• M29: 4,686,901 km (0.096 R)
• M30: 4,756,165 km (0.091 R)
• M31: 5,046,535 km (0.108 R)
• M32: 5,311,921 km (0.034 R)
• M33: 5,404,821 km (0.075 R)
• M34: 5,519,114 km (0.108 R)
• M35: 5,750,243 km (0.041 R)
• M36: 5,856,308 km (0.101 R)
• M37: 6,211,154 km (0.094 R)
• M38: 6,418,646 km (0.048 R)
• M39: 6,495,689 km (0.071 R)
• M40: 6,561,961 km (0.115 R)
• M41: 6,750,903 km (0.088 R)
• M42: 6,885,392 km (0.057 R)
• M43: 7,032,147 km (0.052 R)
• M44: 7,111,584 km (0.095 R)
• M45: 7,282,724 km (0.117 R)
• M46: 7,420,802 km (0.101 R)
• M47: 7,490,066 km (0.098 R)
• M48: 7,699,354 km (0.035 R)
• M49: 7,863,462 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347

Radius: 5.9

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.64 AU - 8.24 AU

Year: 13313 Days

Day: 20.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 103.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 46,240,830 km

• M1: 234,420 km (0.113 R)
• M2: 289,621 km (0.074 R)
• M3: 456,722 km (0.084 R)
• M4: 605,123 km (0.052 R)
• M5: 701,614 km (0.111 R)
• M6: 786,137 km (0.12 R)
• M7: 856,149 km (0.106 R)
• M8: 946,805 km (0.081 R)
• M9: 1,079,049 km (0.078 R)
• M10: 1,382,733 km (0.113 R)
• M11: 1,644,230 km (0.099 R)
• M12: 1,827,039 km (0.084 R)
• M13: 1,920,986 km (0.051 R)
• M14: 1,968,558 km (0.094 R)
• M15: 2,388,928 km (0.08 R)
• M16: 2,972,809 km (0.113 R)
• M17: 3,806,667 km (0.106 R)
• M18: 5,366,375 km (0.1 R)
• M19: 6,053,328 km (0.105 R)
• M20: 6,229,405 km (0.109 R)
• M21: 6,622,548 km (0.102 R)
• M22: 7,546,016 km (0.104 R)
• M23: 7,621,563 km (0.095 R)
• M24: 7,964,890 km (0.11 R)
• M25: 9,551,076 km (0.096 R)
• M26: 9,756,175 km (0.12 R)
• M27: 9,879,743 km (0.068 R)
• M28: 10,128,823 km (0.044 R)
• M29: 11,752,858 km (0.112 R)
• M30: 12,326,865 km (0.109 R)
• M31: 12,864,818 km (0.117 R)
• M32: 13,091,160 km (0.029 R)
• M33: 13,318,848 km (0.048 R)
• M34: 13,639,885 km (0.107 R)
• M35: 13,778,263 km (0.101 R)
• M36: 14,712,502 km (0.103 R)
• M37: 14,854,470 km (0.069 R)
• M38: 16,838,736 km (0.107 R)
• M39: 16,937,621 km (0.116 R)
• M40: 16,987,137 km (0.091 R)
• M41: 17,235,470 km (0.094 R)
• M42: 19,420,496 km (0.094 R)
• M43: 20,995,912 km (0.063 R)
• M44: 21,049,168 km (0.114 R)
• M45: 21,315,901 km (0.104 R)
• M46: 21,476,420 km (0.094 R)
• M47: 21,960,668 km (0.075 R)
• M48: 22,176,987 km (0.118 R)
• M49: 22,885,033 km (0.068 R)
• M50: 23,655,762 km (0.075 R)
• M51: 23,988,617 km (0.092 R)
• M52: 24,490,967 km (0.106 R)
• M53: 25,335,746 km (0.115 R)
• M54: 25,790,224 km (0.116 R)
• M55: 26,075,657 km (0.056 R)
• M56: 26,362,137 km (0.105 R)
• M57: 26,419,582 km (0.119 R)
• M58: 28,220,142 km (0.104 R)
• M59: 28,986,981 km (0.062 R)
• M60: 29,521,943 km (0.075 R)
• M61: 29,820,391 km (0.062 R)
• M62: 30,480,865 km (0.07 R)
• M63: 30,782,604 km (0.116 R)
• M64: 31,267,451 km (0.076 R)
• M65: 32,367,594 km (0.059 R)
• M66: 32,737,100 km (0.082 R)
• M67: 34,041,594 km (0.052 R)
• M68: 34,731,539 km (0.1 R)
• M69: 34,983,612 km (0.118 R)
• M70: 35,299,562 km (0.054 R)
• M71: 35,934,306 km (0.071 R)
• M72: 36,893,378 km (0.119 R)
• M73: 37,021,883 km (0.117 R)
• M74: 37,086,210 km (0.11 R)
• M75: 37,796,052 km (0.114 R)
• M76: 40,216,695 km (0.037 R)
• M77: 41,078,977 km (0.083 R)
• M78: 41,679,612 km (0.087 R)
• M79: 42,484,898 km (0.081 R)
• M80: 42,552,217 km (0.095 R)
• M81: 43,363,037 km (0.08 R)
• M82: 43,702,325 km (0.039 R)
• M83: 44,520,476 km (0.107 R)
• M84: 45,412,378 km (0.036 R)
• M85: 45,756,902 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 20,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit