🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.4

Radius: 12.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 84.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,536,934 km

• M1: 153,039 km (0.081 R)
• M2: 542,292 km (0.084 R)
• M3: 978,071 km (0.079 R)
• M4: 1,398,441 km (0.096 R)
• M5: 1,801,458 km (0.112 R)
• M6: 2,207,317 km (0.087 R)
• M7: 2,683,487 km (0.098 R)
• M8: 3,169,380 km (0.076 R)
• M9: 3,616,977 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.1

Radius: 12.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.79 AU - 0.83 AU

Year: 486 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,536,934 km

• M1: 158,125 km (0.066 R)
• M2: 563,685 km (0.1 R)
• M3: 976,874 km (0.105 R)
• M4: 1,536,969 km (0.098 R)
• M5: 1,940,584 km (0.028 R)
• M6: 2,652,969 km (0.09 R)
• M7: 3,175,514 km (0.057 R)
• M8: 3,970,776 km (0.09 R)
• M9: 4,472,079 km (0.118 R)
• M10: 5,092,461 km (0.091 R)
• M11: 5,586,732 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 8.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.76 AU - 1.14 AU

Year: 617 Days

Day: 11.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,536,934 km

• M1: 106,962 km (0.05 R)
• M2: 374,443 km (0.073 R)
• M3: 842,685 km (0.098 R)
• M4: 1,234,482 km (0.086 R)
• M5: 1,730,548 km (0.116 R)
• M6: 2,058,616 km (0.104 R)
• M7: 2,446,673 km (0.105 R)
• M8: 3,198,552 km (0.112 R)
• M9: 3,536,942 km (0.089 R)
• M10: 4,654,738 km (0.099 R)
• M11: 5,310,874 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 9.3

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.44 AU - 1.44 AU

Year: 1152 Days

Day: 9 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,536,934 km

• M1: 115,639 km (0.099 R)
• M2: 450,589 km (0.092 R)
• M3: 777,759 km (0.052 R)
• M4: 1,957,638 km (0.072 R)
• M5: 3,220,543 km (0.066 R)
• M6: 5,100,390 km (0.072 R)
• M7: 5,984,513 km (0.079 R)
• M8: 6,596,069 km (0.112 R)
• M9: 8,653,190 km (0.066 R)
• M10: 9,311,869 km (0.118 R)
• M11: 10,003,759 km (0.07 R)
• M12: 11,174,363 km (0.063 R)
• M13: 11,525,170 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 12

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.14 AU - 4.48 AU

Year: 4959 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,536,934 km

• M1: 152,889 km (0.058 R)
• M2: 527,033 km (0.077 R)
• M3: 1,030,580 km (0.089 R)
• M4: 1,446,013 km (0.074 R)
• M5: 2,324,601 km (0.047 R)
• M6: 2,750,955 km (0.105 R)
• M7: 4,144,160 km (0.107 R)
• M8: 5,556,514 km (0.069 R)
• M9: 6,082,350 km (0.062 R)
• M10: 7,473,910 km (0.061 R)
• M11: 8,226,088 km (0.08 R)
• M12: 9,266,691 km (0.093 R)
• M13: 11,102,256 km (0.068 R)
• M14: 11,986,081 km (0.109 R)
• M15: 12,469,880 km (0.061 R)
• M16: 13,528,285 km (0.118 R)
• M17: 14,320,256 km (0.112 R)
• M18: 15,142,895 km (0.1 R)
• M19: 15,651,378 km (0.107 R)
• M20: 17,490,833 km (0.119 R)
• M21: 19,669,427 km (0.111 R)
• M22: 20,824,024 km (0.111 R)
• M23: 21,737,169 km (0.117 R)
• M24: 24,791,958 km (0.074 R)
• M25: 26,789,089 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.9

Radius: 4.2

Gravity: 52.89 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.2 AU - 6.34 AU

Year: 9243 Days

Day: 15.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,536,934 km

• M1: 52,210 km (0.113 R)
• M2: 282,590 km (0.062 R)
• M3: 431,440 km (0.118 R)
• M4: 574,007 km (0.076 R)
• M5: 765,941 km (0.071 R)
• M6: 1,345,184 km (0.037 R)
• M7: 1,765,105 km (0.103 R)
• M8: 2,174,704 km (0.097 R)
• M9: 4,986,247 km (0.1 R)
• M10: 5,449,551 km (0.108 R)
• M11: 6,461,282 km (0.116 R)
• M12: 8,991,580 km (0.092 R)
• M13: 9,183,813 km (0.076 R)
• M14: 10,447,915 km (0.069 R)
• M15: 12,288,418 km (0.069 R)
• M16: 12,644,760 km (0.042 R)
• M17: 14,334,318 km (0.069 R)
• M18: 14,465,067 km (0.103 R)
• M19: 17,549,027 km (0.106 R)
• M20: 20,377,025 km (0.105 R)
• M21: 20,708,833 km (0.075 R)
• M22: 21,468,641 km (0.081 R)
• M23: 30,871,166 km (0.099 R)
• M24: 32,986,929 km (0.057 R)
• M25: 34,021,997 km (0.102 R)
• M26: 34,723,910 km (0.103 R)
• M27: 36,399,406 km (0.111 R)
• M28: 37,753,117 km (0.112 R)
• M29: 45,873,289 km (0.112 R)
• M30: 47,596,807 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322

Radius: 5.7

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.5 AU - 8.36 AU

Year: 13506 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,536,934 km

• M1: 95,892 km (0.101 R)
• M2: 392,694 km (0.076 R)
• M3: 588,817 km (0.079 R)
• M4: 975,827 km (0.094 R)
• M5: 1,348,176 km (0.044 R)
• M6: 1,660,686 km (0.055 R)
• M7: 1,986,959 km (0.11 R)
• M8: 3,002,579 km (0.055 R)
• M9: 3,536,494 km (0.1 R)
• M10: 5,387,169 km (0.093 R)
• M11: 5,652,406 km (0.096 R)
• M12: 6,839,764 km (0.102 R)
• M13: 7,512,207 km (0.115 R)
• M14: 8,098,331 km (0.089 R)
• M15: 9,126,667 km (0.057 R)
• M16: 9,361,236 km (0.102 R)
• M17: 10,492,645 km (0.116 R)
• M18: 12,101,570 km (0.098 R)
• M19: 12,614,691 km (0.088 R)
• M20: 13,623,280 km (0.071 R)
• M21: 15,867,098 km (0.086 R)
• M22: 16,206,536 km (0.045 R)
• M23: 21,152,840 km (0.096 R)
• M24: 22,232,936 km (0.096 R)
• M25: 24,683,649 km (0.086 R)
• M26: 27,308,493 km (0.054 R)
• M27: 27,600,358 km (0.085 R)
• M28: 30,217,424 km (0.114 R)
• M29: 31,585,795 km (0.066 R)
• M30: 31,907,431 km (0.087 R)
• M31: 32,123,001 km (0.048 R)
• M32: 32,885,352 km (0.078 R)
• M33: 33,215,664 km (0.068 R)
• M34: 35,015,027 km (0.101 R)
• M35: 42,341,284 km (0.117 R)
• M36: 44,454,503 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 16,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit