🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 8.6

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.38 AU - 2.44 AU

Year: 1708 Days

Day: 7.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,155,234 km

• M1: 107,112 km (0.103 R)
• M2: 466,446 km (0.034 R)
• M3: 763,398 km (0.05 R)
• M4: 1,307,485 km (0.048 R)
• M5: 1,615,657 km (0.109 R)
• M6: 2,066,695 km (0.112 R)
• M7: 2,557,824 km (0.07 R)
• M8: 2,861,358 km (0.048 R)
• M9: 3,189,127 km (0.074 R)
• M10: 4,446,946 km (0.115 R)
• M11: 4,823,484 km (0.071 R)
• M12: 5,640,737 km (0.071 R)
• M13: 5,957,586 km (0.085 R)
• M14: 6,573,929 km (0.025 R)
• M15: 7,007,912 km (0.091 R)
• M16: 8,269,471 km (0.047 R)
• M17: 9,235,125 km (0.094 R)
• M18: 9,607,474 km (0.119 R)
• M19: 10,527,501 km (0.083 R)
• M20: 11,738,795 km (0.104 R)
• M21: 12,297,095 km (0.095 R)
• M22: 13,040,746 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 12.4

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.42 AU - 3.5 AU

Year: 2325 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,155,234 km

• M1: 154,385 km (0.115 R)
• M2: 571,015 km (0.079 R)
• M3: 1,197,232 km (0.12 R)
• M4: 1,799,064 km (0.094 R)
• M5: 2,230,953 km (0.064 R)
• M6: 3,003,028 km (0.115 R)
• M7: 4,046,174 km (0.051 R)
• M8: 4,443,506 km (0.052 R)
• M9: 4,913,093 km (0.102 R)
• M10: 5,490,242 km (0.088 R)
• M11: 6,468,612 km (0.11 R)
• M12: 8,133,487 km (0.111 R)
• M13: 8,633,443 km (0.088 R)
• M14: 9,475,978 km (0.086 R)
• M15: 10,527,501 km (0.092 R)
• M16: 12,205,541 km (0.077 R)
• M17: 13,867,124 km (0.063 R)
• M18: 14,389,071 km (0.044 R)
• M19: 16,503,487 km (0.075 R)
• M20: 18,135,451 km (0.117 R)
• M21: 18,990,552 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 10.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.24 AU - 5.08 AU

Year: 3874 Days

Day: 5.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 61.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,155,234 km

• M1: 134,339 km (0.108 R)
• M2: 861,983 km (0.087 R)
• M3: 1,245,103 km (0.045 R)
• M4: 1,755,232 km (0.079 R)
• M5: 2,093,473 km (0.118 R)
• M6: 3,076,181 km (0.07 R)
• M7: 3,439,704 km (0.071 R)
• M8: 3,872,939 km (0.077 R)
• M9: 4,386,958 km (0.091 R)
• M10: 4,825,728 km (0.025 R)
• M11: 5,192,692 km (0.079 R)
• M12: 5,928,115 km (0.077 R)
• M13: 7,380,411 km (0.071 R)
• M14: 8,172,532 km (0.09 R)
• M15: 8,984,100 km (0.114 R)
• M16: 9,617,797 km (0.109 R)
• M17: 14,969,810 km (0.072 R)
• M18: 18,986,363 km (0.11 R)
• M19: 21,502,450 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.4

Radius: 12.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.67 AU - 5.77 AU

Year: 4682 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,155,234 km

• M1: 151,692 km (0.078 R)
• M2: 647,160 km (0.1 R)
• M3: 1,035,217 km (0.098 R)
• M4: 2,085,993 km (0.12 R)
• M5: 2,624,395 km (0.082 R)
• M6: 3,606,206 km (0.098 R)
• M7: 4,504,242 km (0.101 R)
• M8: 4,968,444 km (0.101 R)
• M9: 5,655,548 km (0.073 R)
• M10: 7,484,082 km (0.098 R)
• M11: 8,496,860 km (0.04 R)
• M12: 9,480,765 km (0.108 R)
• M13: 10,081,999 km (0.052 R)
• M14: 10,879,954 km (0.043 R)
• M15: 12,745,140 km (0.072 R)
• M16: 13,279,953 km (0.042 R)
• M17: 13,931,152 km (0.037 R)
• M18: 14,709,061 km (0.076 R)
• M19: 16,182,002 km (0.116 R)
• M20: 17,393,744 km (0.085 R)
• M21: 25,812,065 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.1

Radius: 11.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.51 AU - 5.45 AU

Year: 5074 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,155,234 km

• M1: 157,377 km (0.09 R)
• M2: 748,887 km (0.105 R)
• M3: 1,142,778 km (0.101 R)
• M4: 1,832,574 km (0.108 R)
• M5: 2,471,955 km (0.084 R)
• M6: 4,361,825 km (0.1 R)
• M7: 4,979,066 km (0.115 R)
• M8: 5,479,471 km (0.118 R)
• M9: 7,304,116 km (0.032 R)
• M10: 7,794,049 km (0.105 R)
• M11: 8,704,053 km (0.118 R)
• M12: 9,503,354 km (0.087 R)
• M13: 13,331,564 km (0.088 R)
• M14: 14,679,441 km (0.092 R)
• M15: 15,660,503 km (0.112 R)
• M16: 16,167,191 km (0.102 R)
• M17: 17,320,441 km (0.081 R)
• M18: 19,440,393 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.8

Radius: 4.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.43 AU - 13.27 AU

Year: 16317 Days

Day: 24.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,155,234 km

• M1: 54,753 km (0.097 R)
• M2: 457,620 km (0.096 R)
• M3: 621,579 km (0.094 R)
• M4: 855,101 km (0.12 R)
• M5: 1,366,128 km (0.047 R)
• M6: 1,763,011 km (0.1 R)
• M7: 1,960,929 km (0.062 R)
• M8: 3,087,999 km (0.092 R)
• M9: 3,416,217 km (0.05 R)
• M10: 3,619,820 km (0.107 R)
• M11: 3,831,501 km (0.097 R)
• M12: 4,662,966 km (0.103 R)
• M13: 5,580,449 km (0.03 R)
• M14: 6,275,182 km (0.119 R)
• M15: 7,255,646 km (0.085 R)
• M16: 7,765,027 km (0.085 R)
• M17: 10,890,575 km (0.096 R)
• M18: 14,132,062 km (0.049 R)
• M19: 15,579,870 km (0.034 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: 489 - 20,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit