🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 9.2

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.42 AU - 0.7 AU

Year: 289 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,930,617 km

• M1: 114,442 km (0.046 R)
• M2: 510,129 km (0.063 R)
• M3: 991,235 km (0.087 R)
• M4: 1,494,782 km (0.064 R)
• M5: 2,201,482 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 8.4

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.72 AU - 1.02 AU

Year: 560 Days

Day: 10.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,930,617 km

• M1: 105,018 km (0.081 R)
• M2: 398,379 km (0.055 R)
• M3: 697,874 km (0.07 R)
• M4: 964,906 km (0.117 R)
• M5: 1,465,162 km (0.043 R)
• M6: 2,050,538 km (0.094 R)
• M7: 2,397,455 km (0.063 R)
• M8: 2,698,895 km (0.102 R)
• M9: 3,293,696 km (0.066 R)
• M10: 3,986,933 km (0.072 R)
• M11: 4,727,592 km (0.086 R)
• M12: 5,539,759 km (0.091 R)
• M13: 6,404,135 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878

Radius: 10.4

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.12 AU - 1.78 AU

Year: 1205 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,930,617 km

• M1: 134,638 km (0.108 R)
• M2: 545,284 km (0.059 R)
• M3: 904,319 km (0.101 R)
• M4: 1,290,581 km (0.106 R)
• M5: 1,626,877 km (0.085 R)
• M6: 2,120,400 km (0.114 R)
• M7: 2,831,888 km (0.107 R)
• M8: 3,333,938 km (0.042 R)
• M9: 3,777,496 km (0.072 R)
• M10: 4,961,114 km (0.098 R)
• M11: 6,664,735 km (0.111 R)
• M12: 7,113,528 km (0.113 R)
• M13: 7,689,480 km (0.096 R)
• M14: 9,024,043 km (0.04 R)
• M15: 9,636,646 km (0.097 R)
• M16: 10,049,387 km (0.093 R)
• M17: 10,474,095 km (0.1 R)
• M18: 10,808,745 km (0.12 R)
• M19: 11,254,697 km (0.033 R)
• M20: 11,677,161 km (0.079 R)
• M21: 12,000,891 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 9.1

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.24 AU - 1.68 AU

Year: 1218 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,930,617 km

• M1: 113,395 km (0.105 R)
• M2: 544,087 km (0.071 R)
• M3: 934,837 km (0.071 R)
• M4: 1,290,730 km (0.03 R)
• M5: 1,794,726 km (0.051 R)
• M6: 2,249,204 km (0.107 R)
• M7: 2,560,218 km (0.05 R)
• M8: 3,817,588 km (0.09 R)
• M9: 4,819,744 km (0.111 R)
• M10: 5,988,104 km (0.112 R)
• M11: 6,566,599 km (0.113 R)
• M12: 6,857,417 km (0.115 R)
• M13: 7,335,382 km (0.072 R)
• M14: 7,889,343 km (0.068 R)
• M15: 9,351,064 km (0.114 R)
• M16: 10,650,770 km (0.045 R)
• M17: 11,640,210 km (0.091 R)
• M18: 12,175,472 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.9

Radius: 13.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.57 AU - 2.19 AU

Year: 1779 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,930,617 km

• M1: 162,912 km (0.11 R)
• M2: 594,951 km (0.089 R)
• M3: 1,009,935 km (0.045 R)
• M4: 1,602,642 km (0.118 R)
• M5: 2,170,815 km (0.108 R)
• M6: 2,760,978 km (0.104 R)
• M7: 3,299,531 km (0.091 R)
• M8: 3,719,302 km (0.071 R)
• M9: 4,266,980 km (0.109 R)
• M10: 5,073,761 km (0.105 R)
• M11: 5,569,529 km (0.12 R)
• M12: 6,097,609 km (0.081 R)
• M13: 6,558,819 km (0.109 R)
• M14: 7,773,405 km (0.104 R)
• M15: 8,375,386 km (0.097 R)
• M16: 13,951,497 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.6

Radius: 8.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.23 AU - 2.79 AU

Year: 2745 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,930,617 km

• M1: 110,702 km (0.086 R)
• M2: 392,545 km (0.1 R)
• M3: 687,402 km (0.106 R)
• M4: 1,091,466 km (0.117 R)
• M5: 1,519,615 km (0.066 R)
• M6: 2,742,428 km (0.12 R)
• M7: 3,020,381 km (0.106 R)
• M8: 3,633,732 km (0.078 R)
• M9: 4,632,597 km (0.066 R)
• M10: 4,932,691 km (0.119 R)
• M11: 5,468,849 km (0.103 R)
• M12: 6,894,966 km (0.099 R)
• M13: 7,212,562 km (0.059 R)
• M14: 7,668,387 km (0.069 R)
• M15: 8,333,349 km (0.071 R)
• M16: 8,778,702 km (0.099 R)
• M17: 9,298,704 km (0.113 R)
• M18: 10,851,082 km (0.106 R)
• M19: 11,214,604 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 12.5

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.08 AU - 3.6 AU

Year: 4213 Days

Day: 7.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 101.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,930,617 km

• M1: 169,195 km (0.106 R)
• M2: 613,800 km (0.098 R)
• M3: 1,008,290 km (0.104 R)
• M4: 1,570,179 km (0.072 R)
• M5: 2,552,140 km (0.073 R)
• M6: 3,096,826 km (0.094 R)
• M7: 3,759,843 km (0.099 R)
• M8: 4,780,998 km (0.119 R)
• M9: 5,559,057 km (0.115 R)
• M10: 8,588,414 km (0.09 R)
• M11: 8,998,761 km (0.119 R)
• M12: 10,560,712 km (0.099 R)
• M13: 13,958,977 km (0.084 R)
• M14: 14,897,405 km (0.116 R)
• M15: 17,785,392 km (0.088 R)
• M16: 18,825,695 km (0.091 R)
• M17: 20,560,881 km (0.034 R)
• M18: 21,027,776 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 14.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.33 AU - 4.33 AU

Year: 6219 Days

Day: 6 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,930,617 km

• M1: 184,155 km (0.083 R)
• M2: 710,739 km (0.116 R)
• M3: 1,809,685 km (0.062 R)
• M4: 2,717,146 km (0.075 R)
• M5: 3,865,459 km (0.096 R)
• M6: 5,700,876 km (0.07 R)
• M7: 6,726,818 km (0.045 R)
• M8: 9,103,330 km (0.078 R)
• M9: 10,643,141 km (0.119 R)
• M10: 31,234,240 km (0.104 R)
• M11: 32,006,464 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.9

Radius: 7.5

Gravity: 14.01 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.25 AU - 7.75 AU

Year: 11439 Days

Day: 16.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,930,617 km

• M1: 93,349 km (0.098 R)
• M2: 357,988 km (0.102 R)
• M3: 1,618,799 km (0.09 R)
• M4: 2,229,607 km (0.112 R)
• M5: 3,763,134 km (0.084 R)
• M6: 4,012,664 km (0.067 R)
• M7: 4,576,049 km (0.057 R)
• M8: 5,057,156 km (0.089 R)
• M9: 6,947,924 km (0.108 R)
• M10: 8,490,577 km (0.095 R)
• M11: 8,921,419 km (0.088 R)
• M12: 9,266,691 km (0.074 R)
• M13: 9,879,144 km (0.109 R)
• M14: 10,572,830 km (0.043 R)
• M15: 11,015,639 km (0.062 R)
• M16: 11,878,969 km (0.052 R)
• M17: 12,601,676 km (0.1 R)
• M18: 13,610,265 km (0.05 R)
• M19: 15,222,631 km (0.079 R)
• M20: 16,808,817 km (0.037 R)
• M21: 17,641,927 km (0.043 R)
• M22: 21,956,330 km (0.096 R)
• M23: 25,030,865 km (0.095 R)
• M24: 25,718,118 km (0.067 R)
• M25: 27,855,273 km (0.074 R)
• M26: 31,335,368 km (0.084 R)
• M27: 34,247,889 km (0.118 R)
• M28: 35,339,206 km (0.063 R)
• M29: 37,846,915 km (0.109 R)
• M30: 39,671,261 km (0.094 R)
• M31: 41,827,116 km (0.104 R)
• M32: 42,239,856 km (0.089 R)
• M33: 46,665,410 km (0.076 R)
• M34: 53,301,871 km (0.048 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: 528 - 11,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit