🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.6

Radius: 11.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.69 AU - 0.89 AU

Year: 461 Days

Day: 9.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 112 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,355,719 km

• M1: 140,772 km (0.066 R)
• M2: 841,638 km (0.098 R)
• M3: 1,198,578 km (0.053 R)
• M4: 1,845,290 km (0.082 R)
• M5: 2,492,749 km (0.045 R)
• M6: 2,842,210 km (0.065 R)
• M7: 3,619,072 km (0.101 R)
• M8: 4,253,217 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 12.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.96 AU - 1.26 AU

Year: 767 Days

Day: 6 Hours

Environment

Temp: -158 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,355,719 km

• M1: 152,590 km (0.118 R)
• M2: 571,613 km (0.066 R)
• M3: 1,349,522 km (0.114 R)
• M4: 1,871,918 km (0.05 R)
• M5: 2,496,489 km (0.093 R)
• M6: 3,244,030 km (0.068 R)
• M7: 3,657,518 km (0.071 R)
• M8: 4,560,491 km (0.07 R)
• M9: 5,183,865 km (0.096 R)
• M10: 5,807,838 km (0.087 R)
• M11: 6,601,904 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 8.3

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.17 AU - 2.35 AU

Year: 2229 Days

Day: 10 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,355,719 km

• M1: 103,223 km (0.054 R)
• M2: 366,216 km (0.119 R)
• M3: 671,994 km (0.071 R)
• M4: 1,105,977 km (0.076 R)
• M5: 1,998,927 km (0.095 R)
• M6: 2,376,213 km (0.104 R)
• M7: 2,711,761 km (0.057 R)
• M8: 2,984,029 km (0.115 R)
• M9: 3,375,676 km (0.102 R)
• M10: 4,242,296 km (0.106 R)
• M11: 4,716,970 km (0.065 R)
• M12: 5,090,367 km (0.119 R)
• M13: 6,329,935 km (0.073 R)
• M14: 6,812,238 km (0.062 R)
• M15: 7,434,565 km (0.111 R)
• M16: 8,438,517 km (0.103 R)
• M17: 8,727,390 km (0.038 R)
• M18: 9,427,209 km (0.039 R)
• M19: 9,914,150 km (0.086 R)
• M20: 10,308,490 km (0.062 R)
• M21: 10,900,748 km (0.116 R)
• M22: 14,072,373 km (0.09 R)
• M23: 15,033,838 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 13.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.99 AU - 4.81 AU

Year: 5052 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,355,719 km

• M1: 170,691 km (0.075 R)
• M2: 815,757 km (0.111 R)
• M3: 1,807,591 km (0.044 R)
• M4: 2,584,453 km (0.098 R)
• M5: 3,065,111 km (0.112 R)
• M6: 3,605,757 km (0.102 R)
• M7: 5,054,463 km (0.112 R)
• M8: 6,075,618 km (0.059 R)
• M9: 7,715,211 km (0.058 R)
• M10: 8,167,894 km (0.047 R)
• M11: 9,009,981 km (0.101 R)
• M12: 11,301,670 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163

Radius: 6.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.41 AU - 7.57 AU

Year: 10846 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 31,355,719 km

• M1: 75,846 km (0.111 R)
• M2: 300,692 km (0.083 R)
• M3: 558,748 km (0.069 R)
• M4: 989,740 km (0.083 R)
• M5: 1,230,891 km (0.063 R)
• M6: 1,499,120 km (0.105 R)
• M7: 1,945,670 km (0.054 R)
• M8: 2,477,042 km (0.103 R)
• M9: 2,704,281 km (0.098 R)
• M10: 3,061,371 km (0.104 R)
• M11: 3,755,954 km (0.114 R)
• M12: 4,919,676 km (0.058 R)
• M13: 6,022,511 km (0.091 R)
• M14: 6,306,149 km (0.099 R)
• M15: 9,027,932 km (0.098 R)
• M16: 9,274,619 km (0.118 R)
• M17: 10,850,932 km (0.087 R)
• M18: 13,377,939 km (0.096 R)
• M19: 14,467,760 km (0.079 R)
• M20: 14,692,605 km (0.072 R)
• M21: 15,615,475 km (0.078 R)
• M22: 17,768,038 km (0.086 R)
• M23: 18,025,945 km (0.055 R)
• M24: 19,285,559 km (0.106 R)
• M25: 19,971,615 km (0.049 R)
• M26: 22,425,918 km (0.107 R)
• M27: 24,832,349 km (0.061 R)
• M28: 25,398,726 km (0.093 R)
• M29: 27,836,873 km (0.114 R)
• M30: 28,272,352 km (0.068 R)
• M31: 29,067,913 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 16,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit