🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216

Radius: 14.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.76 AU - 1 AU

Year: 542 Days

Day: 10.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,075,043 km

• M1: 177,872 km (0.077 R)
• M2: 858,093 km (0.092 R)
• M3: 1,355,357 km (0.104 R)
• M4: 1,932,505 km (0.07 R)
• M5: 2,737,043 km (0.117 R)
• M6: 3,698,658 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.2

Radius: 13.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.27 AU - 1.65 AU

Year: 1157 Days

Day: 12.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,075,043 km

• M1: 167,998 km (0.05 R)
• M2: 658,380 km (0.068 R)
• M3: 1,662,481 km (0.097 R)
• M4: 2,354,222 km (0.104 R)
• M5: 2,882,601 km (0.064 R)
• M6: 3,637,472 km (0.086 R)
• M7: 4,552,562 km (0.109 R)
• M8: 5,615,904 km (0.073 R)
• M9: 6,385,735 km (0.076 R)
• M10: 7,029,903 km (0.051 R)
• M11: 7,878,422 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 14.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.22 AU - 1.94 AU

Year: 1303 Days

Day: 14.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,075,043 km

• M1: 177,872 km (0.113 R)
• M2: 845,078 km (0.074 R)
• M3: 1,394,252 km (0.072 R)
• M4: 1,884,335 km (0.092 R)
• M5: 2,828,447 km (0.036 R)
• M6: 3,409,036 km (0.081 R)
• M7: 3,913,331 km (0.06 R)
• M8: 4,695,728 km (0.093 R)
• M9: 5,959,979 km (0.096 R)
• M10: 7,573,991 km (0.092 R)
• M11: 8,040,736 km (0.078 R)
• M12: 8,881,476 km (0.106 R)
• M13: 10,910,023 km (0.107 R)
• M14: 11,364,501 km (0.097 R)
• M15: 13,231,483 km (0.039 R)

Asteroid Belt

Center: 2.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.8

Radius: 10.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.69 AU - 2.77 AU

Year: 2959 Days

Day: 9.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,075,043 km

• M1: 136,134 km (0.093 R)
• M2: 574,905 km (0.089 R)
• M3: 979,866 km (0.101 R)
• M4: 1,329,027 km (0.088 R)
• M5: 1,894,507 km (0.083 R)
• M6: 2,409,423 km (0.087 R)
• M7: 2,848,044 km (0.092 R)
• M8: 3,905,851 km (0.103 R)
• M9: 4,852,955 km (0.072 R)
• M10: 5,369,217 km (0.112 R)
• M11: 6,072,028 km (0.101 R)
• M12: 6,753,446 km (0.064 R)
• M13: 7,282,873 km (0.107 R)
• M14: 8,268,574 km (0.066 R)
• M15: 8,680,416 km (0.038 R)
• M16: 9,476,876 km (0.068 R)
• M17: 10,321,206 km (0.085 R)
• M18: 11,563,317 km (0.042 R)
• M19: 12,404,057 km (0.075 R)
• M20: 14,252,189 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.5

Radius: 5.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.32 AU - 6.78 AU

Year: 9762 Days

Day: 20.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,075,043 km

• M1: 148,401 km (0.094 R)
• M2: 2,795,386 km (0.106 R)
• M3: 10,506,258 km (0.027 R)
• M4: 11,380,808 km (0.078 R)
• M5: 11,752,259 km (0.11 R)
• M6: 12,346,013 km (0.104 R)
• M7: 15,367,292 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.5

Radius: 5

Gravity: 30.18 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.69 AU - 9.33 AU

Year: 13501 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 30,075,043 km

• M1: 62,233 km (0.087 R)
• M2: 333,603 km (0.108 R)
• M3: 590,313 km (0.034 R)
• M4: 836,102 km (0.108 R)
• M5: 1,052,122 km (0.117 R)
• M6: 1,359,994 km (0.074 R)
• M7: 1,709,604 km (0.025 R)
• M8: 2,041,562 km (0.042 R)
• M9: 2,213,300 km (0.12 R)
• M10: 2,607,940 km (0.079 R)
• M11: 3,673,077 km (0.077 R)
• M12: 6,135,757 km (0.117 R)
• M13: 7,125,646 km (0.064 R)
• M14: 8,361,474 km (0.071 R)
• M15: 8,605,019 km (0.057 R)
• M16: 9,106,471 km (0.059 R)
• M17: 9,894,702 km (0.084 R)
• M18: 10,957,296 km (0.109 R)
• M19: 14,113,362 km (0.116 R)
• M20: 14,528,646 km (0.094 R)
• M21: 15,095,024 km (0.095 R)
• M22: 16,728,183 km (0.085 R)
• M23: 18,640,194 km (0.083 R)
• M24: 18,972,451 km (0.08 R)
• M25: 23,082,054 km (0.109 R)
• M26: 24,047,858 km (0.093 R)
• M27: 25,343,226 km (0.053 R)
• M28: 30,759,267 km (0.107 R)
• M29: 31,456,991 km (0.118 R)
• M30: 32,046,257 km (0.118 R)
• M31: 33,368,852 km (0.119 R)
• M32: 35,104,038 km (0.092 R)
• M33: 36,379,659 km (0.072 R)
• M34: 37,159,812 km (0.097 R)
• M35: 47,871,618 km (0.096 R)
• M36: 49,439,104 km (0.052 R)
• M37: 51,853,913 km (0.065 R)
• M38: 52,510,797 km (0.059 R)
• M39: 53,007,163 km (0.115 R)
• M40: 54,684,305 km (0.044 R)
• M41: 57,091,185 km (0.088 R)
• M42: 57,615,974 km (0.051 R)
• M43: 60,288,391 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.6

Radius: 6.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.9 AU - 10.32 AU

Year: 16573 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,075,043 km

• M1: 83,775 km (0.031 R)
• M2: 425,008 km (0.059 R)
• M3: 770,279 km (0.102 R)
• M4: 1,161,179 km (0.044 R)
• M5: 2,518,181 km (0.082 R)
• M6: 3,655,274 km (0.116 R)
• M7: 4,753,622 km (0.101 R)
• M8: 5,046,086 km (0.082 R)
• M9: 5,725,709 km (0.096 R)
• M10: 6,211,752 km (0.098 R)
• M11: 8,131,243 km (0.114 R)
• M12: 8,588,713 km (0.107 R)
• M13: 10,238,777 km (0.092 R)
• M14: 12,990,780 km (0.117 R)
• M15: 25,635,390 km (0.073 R)
• M16: 28,745,530 km (0.091 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: 535 - 19,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit