🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.49 AU - 0.57 AU

Year: 253 Days

Day: 26.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,698,412 km

• M1: 47,572 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 10.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.74 AU - 1.1 AU

Year: 579 Days

Day: 10.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,698,412 km

• M1: 135,536 km (0.072 R)
• M2: 549,323 km (0.096 R)
• M3: 946,207 km (0.117 R)
• M4: 1,440,927 km (0.112 R)
• M5: 1,830,330 km (0.119 R)
• M6: 2,348,088 km (0.095 R)
• M7: 3,066,457 km (0.034 R)
• M8: 3,535,446 km (0.035 R)
• M9: 4,080,731 km (0.107 R)
• M10: 4,970,389 km (0.106 R)
• M11: 5,391,657 km (0.08 R)
• M12: 5,764,006 km (0.069 R)
• M13: 6,985,772 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.9

Radius: 11.2

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.35 AU - 4.49 AU

Year: 6096 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 30,698,412 km

• M1: 149,598 km (0.085 R)
• M2: 711,487 km (0.099 R)
• M3: 1,219,073 km (0.102 R)
• M4: 1,656,348 km (0.057 R)
• M5: 2,403,739 km (0.038 R)
• M6: 3,342,914 km (0.051 R)
• M7: 3,750,119 km (0.119 R)
• M8: 4,287,325 km (0.106 R)
• M9: 5,203,313 km (0.074 R)
• M10: 5,842,844 km (0.084 R)
• M11: 6,244,963 km (0.04 R)
• M12: 8,857,690 km (0.059 R)
• M13: 10,161,435 km (0.062 R)
• M14: 10,974,799 km (0.074 R)
• M15: 11,588,898 km (0.074 R)
• M16: 12,376,082 km (0.076 R)
• M17: 13,838,850 km (0.119 R)
• M18: 14,332,523 km (0.112 R)
• M19: 17,356,195 km (0.041 R)
• M20: 19,185,478 km (0.102 R)
• M21: 20,216,656 km (0.117 R)
• M22: 21,575,304 km (0.093 R)
• M23: 22,314,467 km (0.066 R)
• M24: 23,146,830 km (0.116 R)
• M25: 23,532,044 km (0.111 R)
• M26: 24,473,912 km (0.081 R)
• M27: 25,196,620 km (0.108 R)
• M28: 29,835,650 km (0.054 R)
• M29: 30,753,133 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.4

Radius: 8.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.52 AU - 4.6 AU

Year: 6388 Days

Day: 7 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,698,412 km

• M1: 144,512 km (0.086 R)
• M2: 454,628 km (0.084 R)
• M3: 1,558,511 km (0.099 R)
• M4: 2,130,124 km (0.03 R)
• M5: 2,434,257 km (0.097 R)
• M6: 2,807,952 km (0.089 R)
• M7: 3,386,297 km (0.116 R)
• M8: 4,625,117 km (0.08 R)
• M9: 7,856,731 km (0.111 R)
• M10: 10,125,831 km (0.051 R)
• M11: 11,062,015 km (0.096 R)
• M12: 12,128,049 km (0.115 R)
• M13: 12,686,049 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.1

Radius: 6.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.59 AU - 9.65 AU

Year: 15179 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,698,412 km

• M1: 90,058 km (0.117 R)
• M2: 364,420 km (0.109 R)
• M3: 696,976 km (0.107 R)
• M4: 2,316,972 km (0.106 R)
• M5: 2,927,032 km (0.105 R)
• M6: 3,219,197 km (0.111 R)
• M7: 4,262,941 km (0.082 R)
• M8: 4,795,659 km (0.078 R)
• M9: 6,273,536 km (0.065 R)
• M10: 7,099,017 km (0.081 R)
• M11: 7,736,603 km (0.1 R)
• M12: 9,750,490 km (0.087 R)
• M13: 10,627,732 km (0.077 R)
• M14: 10,854,971 km (0.067 R)
• M15: 11,461,291 km (0.12 R)
• M16: 11,845,309 km (0.113 R)
• M17: 12,740,951 km (0.113 R)
• M18: 13,734,581 km (0.074 R)
• M19: 15,464,979 km (0.039 R)
• M20: 17,024,238 km (0.045 R)
• M21: 18,163,276 km (0.094 R)
• M22: 19,965,781 km (0.117 R)
• M23: 22,475,584 km (0.112 R)
• M24: 24,234,705 km (0.059 R)
• M25: 26,331,619 km (0.031 R)
• M26: 26,748,249 km (0.113 R)
• M27: 27,766,262 km (0.115 R)
• M28: 29,341,229 km (0.067 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 11,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit