🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 13.1

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.66 AU - 1 AU

Year: 488 Days

Day: 14.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,773,068 km

• M1: 162,912 km (0.115 R)
• M2: 616,343 km (0.094 R)
• M3: 1,237,623 km (0.114 R)
• M4: 1,912,010 km (0.079 R)
• M5: 2,706,973 km (0.034 R)
• M6: 3,304,767 km (0.118 R)
• M7: 3,842,571 km (0.057 R)
• M8: 4,497,211 km (0.117 R)
• M9: 5,524,051 km (0.113 R)
• M10: 6,248,553 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.8

Radius: 10.7

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.09 AU - 1.31 AU

Year: 849 Days

Day: 14.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,773,068 km

• M1: 133,591 km (0.092 R)
• M2: 509,830 km (0.117 R)
• M3: 859,739 km (0.087 R)
• M4: 1,220,569 km (0.07 R)
• M5: 1,827,637 km (0.088 R)
• M6: 2,308,295 km (0.098 R)
• M7: 2,772,198 km (0.097 R)
• M8: 3,967,485 km (0.069 R)
• M9: 5,225,154 km (0.117 R)
• M10: 5,577,607 km (0.102 R)
• M11: 8,402,912 km (0.115 R)
• M12: 9,109,912 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 8.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.08 AU - 1.44 AU

Year: 913 Days

Day: 10.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,773,068 km

• M1: 109,506 km (0.08 R)
• M2: 399,576 km (0.054 R)
• M3: 1,129,015 km (0.111 R)
• M4: 1,796,222 km (0.088 R)
• M5: 2,271,045 km (0.086 R)
• M6: 3,485,032 km (0.106 R)
• M7: 3,780,637 km (0.059 R)
• M8: 4,166,600 km (0.088 R)
• M9: 4,547,177 km (0.089 R)
• M10: 5,664,673 km (0.069 R)
• M11: 6,248,703 km (0.08 R)
• M12: 6,955,553 km (0.106 R)
• M13: 7,339,421 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 14.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.13 AU - 1.45 AU

Year: 946 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,773,068 km

• M1: 179,069 km (0.056 R)
• M2: 643,869 km (0.113 R)
• M3: 1,266,944 km (0.096 R)
• M4: 1,743,264 km (0.036 R)
• M5: 2,330,735 km (0.054 R)
• M6: 2,971,313 km (0.116 R)
• M7: 3,564,020 km (0.12 R)
• M8: 4,318,292 km (0.116 R)
• M9: 5,330,920 km (0.108 R)
• M10: 7,502,184 km (0.067 R)
• M11: 9,047,978 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.5

Radius: 10.2

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.83 AU - 4.45 AU

Year: 5439 Days

Day: 7.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 12,773,068 km

• M1: 129,552 km (0.109 R)
• M2: 539,151 km (0.075 R)
• M3: 870,809 km (0.055 R)
• M4: 2,121,597 km (0.076 R)
• M5: 2,993,902 km (0.102 R)
• M6: 3,781,685 km (0.083 R)
• M7: 4,517,257 km (0.119 R)
• M8: 5,002,553 km (0.11 R)
• M9: 5,734,236 km (0.052 R)
• M10: 6,142,189 km (0.116 R)
• M11: 7,301,274 km (0.025 R)
• M12: 8,479,955 km (0.03 R)
• M13: 9,390,408 km (0.084 R)
• M14: 10,688,618 km (0.028 R)
• M15: 15,298,477 km (0.08 R)
• M16: 18,675,349 km (0.1 R)
• M17: 19,224,822 km (0.095 R)
• M18: 24,097,524 km (0.108 R)
• M19: 25,245,239 km (0.045 R)
• M20: 26,947,663 km (0.115 R)
• M21: 27,561,164 km (0.076 R)
• M22: 28,816,140 km (0.119 R)
• M23: 29,273,461 km (0.081 R)
• M24: 30,485,204 km (0.106 R)
• M25: 30,864,733 km (0.12 R)
• M26: 31,439,788 km (0.101 R)
• M27: 33,008,471 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.9

Radius: 8.9

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.92 AU - 6.38 AU

Year: 7546 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 12,773,068 km

• M1: 110,702 km (0.036 R)
• M2: 524,041 km (0.067 R)
• M3: 867,069 km (0.084 R)
• M4: 1,253,181 km (0.053 R)
• M5: 1,847,534 km (0.115 R)
• M6: 3,270,359 km (0.095 R)
• M7: 3,612,340 km (0.051 R)
• M8: 4,097,635 km (0.106 R)
• M9: 4,573,656 km (0.066 R)
• M10: 5,255,672 km (0.113 R)
• M11: 5,941,429 km (0.113 R)
• M12: 6,257,679 km (0.061 R)
• M13: 8,011,415 km (0.11 R)
• M14: 8,595,894 km (0.088 R)
• M15: 11,032,095 km (0.098 R)
• M16: 12,821,435 km (0.081 R)
• M17: 14,681,385 km (0.034 R)
• M18: 27,162,635 km (0.067 R)
• M19: 30,208,896 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 8.9

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.12 AU - 6.02 AU

Year: 8488 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 12,773,068 km

• M1: 110,702 km (0.083 R)
• M2: 478,414 km (0.098 R)
• M3: 839,693 km (0.093 R)
• M4: 1,484,759 km (0.111 R)
• M5: 2,127,880 km (0.086 R)
• M6: 2,619,608 km (0.1 R)
• M7: 3,074,685 km (0.116 R)
• M8: 4,063,677 km (0.04 R)
• M9: 4,362,124 km (0.064 R)
• M10: 5,033,819 km (0.048 R)
• M11: 5,606,180 km (0.098 R)
• M12: 6,046,148 km (0.105 R)
• M13: 7,872,887 km (0.082 R)
• M14: 8,381,669 km (0.061 R)
• M15: 9,002,949 km (0.106 R)
• M16: 11,527,862 km (0.078 R)
• M17: 12,521,791 km (0.099 R)
• M18: 13,752,233 km (0.112 R)
• M19: 16,248,124 km (0.119 R)
• M20: 16,864,467 km (0.084 R)
• M21: 17,781,951 km (0.067 R)
• M22: 18,070,824 km (0.105 R)
• M23: 19,947,978 km (0.086 R)
• M24: 22,200,773 km (0.083 R)
• M25: 26,168,258 km (0.098 R)
• M26: 27,014,832 km (0.063 R)
• M27: 29,261,194 km (0.079 R)
• M28: 37,804,280 km (0.111 R)
• M29: 40,235,395 km (0.032 R)
• M30: 42,253,919 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.2

Radius: 4.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.96 AU - 7.5 AU

Year: 11273 Days

Day: 18.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,773,068 km

• M1: 61,036 km (0.056 R)
• M2: 250,128 km (0.112 R)
• M3: 587,471 km (0.057 R)
• M4: 962,961 km (0.115 R)
• M5: 1,306,438 km (0.072 R)
• M6: 1,910,963 km (0.089 R)
• M7: 2,439,941 km (0.076 R)
• M8: 5,707,608 km (0.08 R)
• M9: 6,967,970 km (0.081 R)
• M10: 12,734,968 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 16,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit