🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.4

Radius: 10.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.91 AU - 0.95 AU

Year: 630 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,487,639 km

• M1: 135,685 km (0.107 R)
• M2: 529,277 km (0.104 R)
• M3: 936,034 km (0.028 R)
• M4: 1,396,646 km (0.055 R)
• M5: 1,938,489 km (0.085 R)
• M6: 2,463,428 km (0.065 R)
• M7: 2,931,969 km (0.086 R)
• M8: 3,434,169 km (0.086 R)
• M9: 3,827,611 km (0.101 R)
• M10: 4,848,317 km (0.038 R)
• M11: 5,192,542 km (0.094 R)
• M12: 5,570,875 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.8

Radius: 13.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.77 AU - 2.45 AU

Year: 2154 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,487,639 km

• M1: 171,888 km (0.109 R)
• M2: 857,196 km (0.098 R)
• M3: 1,438,982 km (0.056 R)
• M4: 1,920,986 km (0.059 R)
• M5: 2,446,374 km (0.105 R)
• M6: 2,902,797 km (0.078 R)
• M7: 4,292,561 km (0.06 R)
• M8: 4,752,874 km (0.064 R)
• M9: 5,380,736 km (0.106 R)
• M10: 7,834,141 km (0.103 R)
• M11: 10,487,559 km (0.067 R)
• M12: 12,332,848 km (0.049 R)
• M13: 13,062,288 km (0.11 R)
• M14: 13,992,786 km (0.108 R)
• M15: 15,891,483 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.8

Radius: 9.5

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.65 AU - 2.63 AU

Year: 2201 Days

Day: 13.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,487,639 km

• M1: 118,182 km (0.095 R)
• M2: 420,520 km (0.065 R)
• M3: 726,597 km (0.097 R)
• M4: 1,073,066 km (0.088 R)
• M5: 1,631,066 km (0.072 R)
• M6: 2,280,320 km (0.064 R)
• M7: 2,636,214 km (0.066 R)
• M8: 2,950,668 km (0.043 R)
• M9: 3,692,225 km (0.085 R)
• M10: 4,146,255 km (0.088 R)
• M11: 4,658,627 km (0.11 R)
• M12: 5,282,002 km (0.119 R)
• M13: 7,169,927 km (0.102 R)
• M14: 8,031,910 km (0.102 R)
• M15: 8,698,069 km (0.102 R)
• M16: 9,061,442 km (0.045 R)
• M17: 9,400,581 km (0.068 R)
• M18: 12,017,646 km (0.117 R)
• M19: 13,275,165 km (0.076 R)
• M20: 13,624,776 km (0.092 R)
• M21: 14,572,029 km (0.096 R)
• M22: 16,297,192 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 12.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.5 AU - 3.62 AU

Year: 3763 Days

Day: 12.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,487,639 km

• M1: 151,842 km (0.092 R)
• M2: 708,346 km (0.083 R)
• M3: 1,253,929 km (0.101 R)
• M4: 2,011,942 km (0.102 R)
• M5: 2,545,707 km (0.065 R)
• M6: 3,023,074 km (0.028 R)
• M7: 4,368,108 km (0.092 R)
• M8: 5,342,888 km (0.052 R)
• M9: 7,443,840 km (0.096 R)
• M10: 9,641,882 km (0.052 R)
• M11: 10,385,832 km (0.113 R)
• M12: 12,115,034 km (0.119 R)
• M13: 14,358,404 km (0.115 R)
• M14: 17,617,543 km (0.073 R)
• M15: 18,112,413 km (0.115 R)
• M16: 18,843,497 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.5

Radius: 13.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.41 AU - 6.35 AU

Year: 8772 Days

Day: 12 Hours

Environment

Temp: -228 °C

Axial Tilt: 161.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,487,639 km

• M1: 166,951 km (0.094 R)
• M2: 643,720 km (0.075 R)
• M3: 1,213,388 km (0.113 R)
• M4: 2,089,284 km (0.092 R)
• M5: 3,352,937 km (0.092 R)
• M6: 5,592,866 km (0.053 R)
• M7: 8,443,005 km (0.085 R)
• M8: 9,436,783 km (0.078 R)
• M9: 10,384,187 km (0.06 R)
• M10: 13,269,630 km (0.12 R)
• M11: 14,509,797 km (0.105 R)
• M12: 15,717,799 km (0.11 R)
• M13: 16,934,778 km (0.103 R)
• M14: 17,800,052 km (0.072 R)
• M15: 20,379,868 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.5

Radius: 3.2

Gravity: 47.51 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.23 AU - 6.67 AU

Year: 8943 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 125.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,487,639 km

• M1: 39,943 km (0.057 R)
• M2: 248,781 km (0.065 R)
• M3: 386,411 km (0.084 R)
• M4: 697,425 km (0.104 R)
• M5: 929,152 km (0.112 R)
• M6: 1,132,157 km (0.045 R)
• M7: 3,170,876 km (0.09 R)
• M8: 6,637,957 km (0.113 R)
• M9: 9,768,442 km (0.098 R)
• M10: 12,786,579 km (0.054 R)
• M11: 18,571,528 km (0.078 R)
• M12: 26,516,522 km (0.055 R)
• M13: 27,250,299 km (0.1 R)
• M14: 29,826,524 km (0.115 R)
• M15: 34,256,716 km (0.101 R)
• M16: 36,684,240 km (0.105 R)
• M17: 38,753,628 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.5

Radius: 6.9

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.12 AU - 7.68 AU

Year: 11381 Days

Day: 22.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,487,639 km

• M1: 87,664 km (0.114 R)
• M2: 479,611 km (0.107 R)
• M3: 762,800 km (0.096 R)
• M4: 1,122,283 km (0.08 R)
• M5: 1,476,531 km (0.105 R)
• M6: 2,370,827 km (0.054 R)
• M7: 2,780,426 km (0.069 R)
• M8: 3,308,656 km (0.075 R)
• M9: 4,039,890 km (0.118 R)
• M10: 5,198,077 km (0.114 R)
• M11: 6,071,729 km (0.083 R)
• M12: 6,798,475 km (0.104 R)
• M13: 9,179,924 km (0.103 R)
• M14: 9,474,781 km (0.102 R)
• M15: 9,776,071 km (0.059 R)
• M16: 10,503,865 km (0.053 R)
• M17: 10,826,548 km (0.088 R)
• M18: 14,626,483 km (0.109 R)
• M19: 14,961,433 km (0.088 R)
• M20: 19,795,538 km (0.108 R)
• M21: 20,123,158 km (0.09 R)
• M22: 21,298,249 km (0.09 R)
• M23: 25,097,287 km (0.106 R)
• M24: 26,457,730 km (0.08 R)
• M25: 29,324,773 km (0.093 R)
• M26: 30,942,824 km (0.048 R)
• M27: 32,392,427 km (0.045 R)
• M28: 34,120,731 km (0.115 R)
• M29: 34,591,815 km (0.059 R)
• M30: 35,546,997 km (0.098 R)
• M31: 38,011,622 km (0.103 R)
• M32: 41,784,181 km (0.09 R)
• M33: 42,594,703 km (0.101 R)
• M34: 44,526,609 km (0.095 R)
• M35: 46,950,095 km (0.109 R)
• M36: 47,386,771 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.8

Radius: 7.1

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.86 AU - 9.46 AU

Year: 19487 Days

Day: 15 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,487,639 km

• M1: 88,412 km (0.108 R)
• M2: 446,400 km (0.049 R)
• M3: 1,296,864 km (0.078 R)
• M4: 1,644,380 km (0.118 R)
• M5: 2,527,456 km (0.113 R)
• M6: 3,321,970 km (0.082 R)
• M7: 3,584,814 km (0.095 R)
• M8: 3,976,012 km (0.107 R)
• M9: 4,712,782 km (0.106 R)
• M10: 5,148,112 km (0.053 R)
• M11: 5,537,216 km (0.054 R)
• M12: 5,832,372 km (0.037 R)
• M13: 6,138,001 km (0.08 R)
• M14: 6,948,971 km (0.096 R)
• M15: 10,188,064 km (0.055 R)
• M16: 10,973,303 km (0.115 R)
• M17: 13,372,853 km (0.088 R)
• M18: 15,586,602 km (0.096 R)
• M19: 17,793,919 km (0.082 R)
• M20: 19,348,091 km (0.046 R)
• M21: 22,817,864 km (0.045 R)
• M22: 24,158,411 km (0.099 R)
• M23: 26,266,245 km (0.1 R)
• M24: 29,042,183 km (0.055 R)
• M25: 29,485,890 km (0.102 R)
• M26: 30,614,905 km (0.061 R)
• M27: 33,563,329 km (0.114 R)
• M28: 35,420,437 km (0.073 R)
• M29: 36,695,759 km (0.107 R)
• M30: 46,492,774 km (0.066 R)
• M31: 50,375,288 km (0.093 R)
• M32: 54,468,286 km (0.096 R)
• M33: 56,337,511 km (0.076 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 19,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit