🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.9

Radius: 14

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.88 AU - 1.04 AU

Year: 607 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,566,073 km

• M1: 174,132 km (0.081 R)
• M2: 994,975 km (0.078 R)
• M3: 1,472,791 km (0.115 R)
• M4: 2,153,910 km (0.078 R)
• M5: 2,606,892 km (0.093 R)
• M6: 3,185,836 km (0.114 R)
• M7: 4,573,057 km (0.078 R)
• M8: 5,156,339 km (0.095 R)
• M9: 5,676,940 km (0.114 R)
• M10: 6,845,449 km (0.1 R)
• M11: 7,453,564 km (0.087 R)
• M12: 7,933,175 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.3

Radius: 14.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.2 AU - 1.48 AU

Year: 1002 Days

Day: 13.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,566,073 km

• M1: 181,612 km (0.088 R)
• M2: 706,700 km (0.09 R)
• M3: 1,423,873 km (0.091 R)
• M4: 2,152,564 km (0.075 R)
• M5: 2,627,537 km (0.087 R)
• M6: 3,147,539 km (0.042 R)
• M7: 3,736,356 km (0.063 R)
• M8: 4,366,014 km (0.081 R)
• M9: 4,888,559 km (0.05 R)
• M10: 5,721,670 km (0.103 R)
• M11: 6,265,907 km (0.051 R)
• M12: 7,000,582 km (0.088 R)
• M13: 7,864,659 km (0.115 R)
• M14: 8,360,726 km (0.053 R)
• M15: 8,983,502 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.6

Radius: 11.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.06 AU - 4.46 AU

Year: 5677 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,566,073 km

• M1: 139,276 km (0.118 R)
• M2: 517,010 km (0.116 R)
• M3: 1,258,716 km (0.059 R)
• M4: 1,791,883 km (0.079 R)
• M5: 4,393,091 km (0.055 R)
• M6: 6,010,992 km (0.047 R)
• M7: 7,672,127 km (0.069 R)
• M8: 8,781,844 km (0.054 R)
• M9: 9,785,795 km (0.118 R)
• M10: 10,251,194 km (0.094 R)
• M11: 10,642,841 km (0.113 R)
• M12: 11,456,205 km (0.104 R)
• M13: 13,206,799 km (0.096 R)
• M14: 15,241,330 km (0.036 R)
• M15: 17,911,203 km (0.093 R)
• M16: 18,289,387 km (0.059 R)
• M17: 21,367,812 km (0.113 R)
• M18: 23,402,193 km (0.1 R)
• M19: 26,042,147 km (0.072 R)
• M20: 26,772,933 km (0.026 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.1

Radius: 6.3

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.74 AU - 6.42 AU

Year: 9680 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,566,073 km

• M1: 78,539 km (0.076 R)
• M2: 288,425 km (0.065 R)
• M3: 565,480 km (0.103 R)
• M4: 795,861 km (0.065 R)
• M5: 1,256,323 km (0.086 R)
• M6: 1,601,296 km (0.094 R)
• M7: 2,024,209 km (0.11 R)
• M8: 2,518,929 km (0.071 R)
• M9: 3,338,276 km (0.046 R)
• M10: 3,598,577 km (0.106 R)
• M11: 3,821,627 km (0.113 R)
• M12: 5,233,981 km (0.109 R)
• M13: 6,057,068 km (0.039 R)
• M14: 6,700,937 km (0.117 R)
• M15: 8,728,437 km (0.054 R)
• M16: 9,690,501 km (0.113 R)
• M17: 10,026,199 km (0.038 R)
• M18: 10,419,492 km (0.112 R)
• M19: 10,977,043 km (0.057 R)
• M20: 11,500,935 km (0.116 R)
• M21: 12,598,534 km (0.054 R)
• M22: 13,348,468 km (0.092 R)
• M23: 18,777,974 km (0.09 R)
• M24: 20,451,525 km (0.077 R)
• M25: 21,405,211 km (0.108 R)
• M26: 22,638,496 km (0.106 R)
• M27: 22,975,091 km (0.085 R)
• M28: 25,698,969 km (0.106 R)
• M29: 28,925,646 km (0.086 R)
• M30: 29,123,414 km (0.068 R)
• M31: 35,486,560 km (0.099 R)
• M32: 39,352,318 km (0.109 R)
• M33: 39,595,265 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.6

Radius: 4.6

Gravity: 36.32 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.81 AU - 8.55 AU

Year: 13742 Days

Day: 15.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,566,073 km

• M1: 57,296 km (0.075 R)
• M2: 201,957 km (0.1 R)
• M3: 348,862 km (0.038 R)
• M4: 685,757 km (0.092 R)
• M5: 865,723 km (0.078 R)
• M6: 1,089,222 km (0.105 R)
• M7: 1,717,982 km (0.119 R)
• M8: 2,453,555 km (0.062 R)
• M9: 3,819,234 km (0.096 R)
• M10: 4,234,667 km (0.077 R)
• M11: 5,514,028 km (0.062 R)
• M12: 5,851,072 km (0.071 R)
• M13: 8,025,926 km (0.093 R)
• M14: 8,507,781 km (0.088 R)
• M15: 8,806,079 km (0.088 R)
• M16: 9,318,451 km (0.1 R)
• M17: 11,092,233 km (0.118 R)
• M18: 12,308,314 km (0.114 R)
• M19: 13,276,811 km (0.076 R)
• M20: 13,813,568 km (0.045 R)
• M21: 17,740,811 km (0.105 R)
• M22: 18,474,140 km (0.115 R)
• M23: 21,064,427 km (0.057 R)
• M24: 21,336,097 km (0.094 R)
• M25: 21,886,318 km (0.083 R)
• M26: 25,696,127 km (0.087 R)
• M27: 26,214,334 km (0.106 R)
• M28: 26,845,487 km (0.027 R)
• M29: 34,847,178 km (0.116 R)
• M30: 37,432,828 km (0.078 R)
• M31: 44,301,913 km (0.055 R)
• M32: 46,868,414 km (0.039 R)
• M33: 48,423,484 km (0.078 R)
• M34: 51,308,778 km (0.109 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 17,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit