🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.6

Radius: 14.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.74 AU - 0.78 AU

Year: 435 Days

Day: 8.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 161.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,158,326 km

• M1: 181,761 km (0.109 R)
• M2: 652,546 km (0.095 R)
• M3: 1,301,352 km (0.099 R)
• M4: 1,792,332 km (0.085 R)
• M5: 2,544,809 km (0.083 R)
• M6: 3,107,597 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.3

Radius: 11.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.77 AU - 0.87 AU

Year: 487 Days

Day: 10.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,158,326 km

• M1: 145,559 km (0.084 R)
• M2: 685,158 km (0.1 R)
• M3: 1,094,458 km (0.074 R)
• M4: 1,537,567 km (0.086 R)
• M5: 1,977,684 km (0.041 R)
• M6: 2,955,007 km (0.115 R)
• M7: 3,558,036 km (0.12 R)
• M8: 4,039,591 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 12.8

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.22 AU - 1.32 AU

Year: 939 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,158,326 km

• M1: 159,172 km (0.115 R)
• M2: 640,428 km (0.087 R)
• M3: 1,219,821 km (0.084 R)
• M4: 2,290,493 km (0.062 R)
• M5: 2,734,948 km (0.112 R)
• M6: 3,481,741 km (0.041 R)
• M7: 3,976,311 km (0.058 R)
• M8: 5,981,671 km (0.081 R)
• M9: 6,764,517 km (0.083 R)
• M10: 7,438,904 km (0.094 R)
• M11: 8,644,214 km (0.107 R)
• M12: 10,754,292 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.9

Radius: 14.4

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.47 AU - 1.87 AU

Year: 1416 Days

Day: 5.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,158,326 km

• M1: 188,643 km (0.111 R)
• M2: 838,346 km (0.1 R)
• M3: 1,490,294 km (0.083 R)
• M4: 2,679,597 km (0.063 R)
• M5: 3,800,833 km (0.075 R)
• M6: 4,318,292 km (0.083 R)
• M7: 4,883,024 km (0.091 R)
• M8: 5,629,966 km (0.098 R)
• M9: 6,233,444 km (0.073 R)
• M10: 8,663,362 km (0.085 R)
• M11: 9,342,537 km (0.093 R)
• M12: 10,948,470 km (0.081 R)
• M13: 11,632,581 km (0.099 R)
• M14: 13,166,258 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 12.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.69 AU - 3.89 AU

Year: 3915 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,158,326 km

• M1: 162,314 km (0.085 R)
• M2: 728,093 km (0.113 R)
• M3: 1,729,950 km (0.076 R)
• M4: 2,626,191 km (0.112 R)
• M5: 3,153,074 km (0.103 R)
• M6: 3,569,106 km (0.097 R)
• M7: 5,146,167 km (0.042 R)
• M8: 5,754,432 km (0.102 R)
• M9: 6,559,268 km (0.077 R)
• M10: 7,602,713 km (0.041 R)
• M11: 8,790,520 km (0.099 R)
• M12: 9,506,197 km (0.09 R)
• M13: 10,017,971 km (0.074 R)
• M14: 10,548,146 km (0.107 R)
• M15: 12,436,669 km (0.09 R)
• M16: 14,082,096 km (0.109 R)
• M17: 16,873,293 km (0.096 R)
• M18: 17,333,157 km (0.105 R)
• M19: 18,038,810 km (0.09 R)
• M20: 18,580,654 km (0.064 R)
• M21: 19,444,881 km (0.069 R)
• M22: 20,335,736 km (0.074 R)
• M23: 21,453,980 km (0.096 R)
• M24: 23,313,482 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.7

Radius: 12

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.92 AU - 3.94 AU

Year: 4167 Days

Day: 10.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,158,326 km

• M1: 149,299 km (0.067 R)
• M2: 623,973 km (0.096 R)
• M3: 1,007,691 km (0.092 R)
• M4: 1,580,202 km (0.098 R)
• M5: 2,005,659 km (0.056 R)
• M6: 2,410,919 km (0.042 R)
• M7: 2,889,184 km (0.083 R)
• M8: 4,393,689 km (0.057 R)
• M9: 6,883,746 km (0.116 R)
• M10: 7,818,284 km (0.053 R)
• M11: 9,072,961 km (0.091 R)
• M12: 9,896,198 km (0.114 R)
• M13: 10,903,740 km (0.119 R)
• M14: 13,071,114 km (0.107 R)
• M15: 15,283,517 km (0.057 R)
• M16: 17,422,766 km (0.095 R)
• M17: 18,758,975 km (0.087 R)
• M18: 19,485,721 km (0.12 R)
• M19: 25,108,806 km (0.045 R)
• M20: 26,894,855 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.5

Radius: 4.5

Gravity: 49.21 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 8.91 AU - 9.69 AU

Year: 18605 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,158,326 km

• M1: 55,950 km (0.103 R)
• M2: 311,463 km (0.104 R)
• M3: 481,107 km (0.081 R)
• M4: 763,248 km (0.054 R)
• M5: 1,148,912 km (0.07 R)
• M6: 1,323,492 km (0.118 R)
• M7: 1,601,146 km (0.069 R)
• M8: 1,763,460 km (0.119 R)
• M9: 2,017,178 km (0.054 R)
• M10: 2,206,868 km (0.083 R)
• M11: 3,198,253 km (0.119 R)
• M12: 4,282,538 km (0.113 R)
• M13: 4,741,205 km (0.095 R)
• M14: 6,095,365 km (0.118 R)
• M15: 7,049,800 km (0.118 R)
• M16: 8,257,802 km (0.079 R)
• M17: 11,335,779 km (0.08 R)
• M18: 13,200,815 km (0.102 R)
• M19: 15,664,393 km (0.082 R)
• M20: 21,177,523 km (0.053 R)
• M21: 21,377,386 km (0.111 R)
• M22: 29,690,390 km (0.09 R)
• M23: 35,250,045 km (0.101 R)
• M24: 35,954,801 km (0.09 R)
• M25: 36,812,894 km (0.097 R)
• M26: 38,273,269 km (0.084 R)
• M27: 40,689,574 km (0.092 R)
• M28: 41,309,058 km (0.098 R)
• M29: 41,621,269 km (0.095 R)
• M30: 42,567,027 km (0.055 R)
• M31: 46,493,821 km (0.104 R)
• M32: 47,170,901 km (0.086 R)
• M33: 48,026,452 km (0.099 R)
• M34: 66,095,630 km (0.096 R)
• M35: 68,903,882 km (0.095 R)
• M36: 72,241,859 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 16,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit