🌌 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 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.2

Radius: 8.9

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.52 AU - 0.64 AU

Year: 295 Days

Day: 12.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,245,788 km

• M1: 110,852 km (0.105 R)
• M2: 409,749 km (0.069 R)
• M3: 692,189 km (0.115 R)
• M4: 1,133,204 km (0.043 R)
• M5: 1,608,925 km (0.049 R)
• M6: 2,255,786 km (0.115 R)
• M7: 2,606,145 km (0.093 R)
• M8: 2,930,772 km (0.088 R)
• M9: 3,440,003 km (0.064 R)
• M10: 3,783,031 km (0.095 R)
• M11: 4,280,294 km (0.09 R)
• M12: 5,099,642 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 14.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.97 AU - 0.97 AU

Year: 637 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,245,788 km

• M1: 179,069 km (0.085 R)
• M2: 679,174 km (0.096 R)
• M3: 1,176,288 km (0.084 R)
• M4: 1,824,496 km (0.061 R)
• M5: 2,421,541 km (0.116 R)
• M6: 3,182,096 km (0.117 R)
• M7: 3,739,947 km (0.07 R)
• M8: 4,320,387 km (0.111 R)
• M9: 5,296,064 km (0.116 R)
• M10: 5,854,064 km (0.097 R)
• M11: 6,321,258 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.8

Radius: 10.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.99 AU - 1.41 AU

Year: 877 Days

Day: 5.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,245,788 km

• M1: 135,536 km (0.091 R)
• M2: 563,386 km (0.046 R)
• M3: 934,089 km (0.062 R)
• M4: 1,358,947 km (0.076 R)
• M5: 1,799,513 km (0.104 R)
• M6: 2,293,934 km (0.072 R)
• M7: 3,422,201 km (0.113 R)
• M8: 4,140,570 km (0.082 R)
• M9: 4,853,404 km (0.109 R)
• M10: 5,221,564 km (0.109 R)
• M11: 6,777,681 km (0.079 R)
• M12: 7,697,409 km (0.096 R)
• M13: 8,054,050 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.6

Radius: 13.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.05 AU - 1.63 AU

Year: 1034 Days

Day: 13.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,245,788 km

• M1: 167,550 km (0.036 R)
• M2: 854,353 km (0.117 R)
• M3: 1,672,504 km (0.118 R)
• M4: 2,492,450 km (0.1 R)
• M5: 3,445,089 km (0.118 R)
• M6: 4,468,488 km (0.034 R)
• M7: 5,273,026 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 9.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.06 AU - 2.08 AU

Year: 1986 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,245,788 km

• M1: 121,922 km (0.107 R)
• M2: 717,023 km (0.069 R)
• M3: 1,151,754 km (0.097 R)
• M4: 1,529,638 km (0.082 R)
• M5: 2,023,162 km (0.119 R)
• M6: 2,425,879 km (0.116 R)
• M7: 2,811,393 km (0.066 R)
• M8: 3,146,043 km (0.068 R)
• M9: 3,792,156 km (0.072 R)
• M10: 4,202,204 km (0.027 R)
• M11: 5,304,292 km (0.11 R)
• M12: 5,887,873 km (0.101 R)
• M13: 6,868,786 km (0.112 R)
• M14: 7,785,223 km (0.042 R)
• M15: 8,331,704 km (0.111 R)
• M16: 9,958,880 km (0.104 R)
• M17: 10,637,755 km (0.035 R)
• M18: 12,050,258 km (0.065 R)
• M19: 13,218,917 km (0.099 R)
• M20: 13,624,776 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.3

Radius: 3.8

Gravity: 43.03 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.82 AU - 6.04 AU

Year: 9630 Days

Day: 24.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 45,245,788 km

• M1: 48,619 km (0.113 R)
• M2: 246,687 km (0.097 R)
• M3: 728,392 km (0.074 R)
• M4: 1,514,529 km (0.11 R)
• M5: 1,952,103 km (0.106 R)
• M6: 2,209,261 km (0.059 R)
• M7: 2,336,719 km (0.064 R)
• M8: 2,566,800 km (0.111 R)
• M9: 2,896,813 km (0.096 R)
• M10: 3,185,238 km (0.046 R)
• M11: 3,372,086 km (0.106 R)
• M12: 4,446,647 km (0.058 R)
• M13: 4,650,549 km (0.093 R)
• M14: 5,267,790 km (0.104 R)
• M15: 6,550,292 km (0.036 R)
• M16: 7,283,621 km (0.077 R)
• M17: 7,567,109 km (0.041 R)
• M18: 7,690,827 km (0.107 R)
• M19: 8,866,067 km (0.045 R)
• M20: 11,082,061 km (0.081 R)
• M21: 11,456,953 km (0.117 R)
• M22: 14,766,656 km (0.084 R)
• M23: 15,286,060 km (0.07 R)
• M24: 15,952,369 km (0.094 R)
• M25: 16,088,054 km (0.088 R)
• M26: 17,702,664 km (0.057 R)
• M27: 17,994,081 km (0.118 R)
• M28: 18,140,986 km (0.068 R)
• M29: 18,661,437 km (0.046 R)
• M30: 23,801,769 km (0.084 R)
• M31: 24,335,534 km (0.117 R)
• M32: 24,515,201 km (0.119 R)
• M33: 24,695,766 km (0.115 R)
• M34: 30,016,364 km (0.094 R)
• M35: 30,430,750 km (0.085 R)
• M36: 33,217,160 km (0.088 R)
• M37: 35,013,830 km (0.077 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 15,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit