🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 11.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.65 AU - 0.91 AU

Year: 459 Days

Day: 6.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,753,534 km

• M1: 144,512 km (0.084 R)
• M2: 715,826 km (0.089 R)
• M3: 1,132,007 km (0.117 R)
• M4: 1,668,764 km (0.074 R)
• M5: 2,172,610 km (0.102 R)
• M6: 2,947,078 km (0.103 R)
• M7: 4,702,011 km (0.055 R)
• M8: 5,429,505 km (0.06 R)
• M9: 5,855,560 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 10

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.26 AU - 1.5 AU

Year: 1081 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,753,534 km

• M1: 124,465 km (0.043 R)
• M2: 489,185 km (0.034 R)
• M3: 1,087,726 km (0.053 R)
• M4: 2,042,460 km (0.063 R)
• M5: 2,682,439 km (0.084 R)
• M6: 3,199,001 km (0.099 R)
• M7: 3,527,667 km (0.096 R)
• M8: 4,063,228 km (0.064 R)
• M9: 4,577,994 km (0.068 R)
• M10: 5,441,623 km (0.105 R)
• M11: 6,433,456 km (0.111 R)
• M12: 6,838,119 km (0.087 R)
• M13: 7,672,127 km (0.11 R)
• M14: 8,516,158 km (0.095 R)
• M15: 9,092,708 km (0.059 R)
• M16: 10,164,128 km (0.038 R)
• M17: 10,946,076 km (0.074 R)
• M18: 11,454,859 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 8.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.45 AU - 2.49 AU

Year: 2589 Days

Day: 12.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,753,534 km

• M1: 109,506 km (0.048 R)
• M2: 525,986 km (0.091 R)
• M3: 1,481,019 km (0.06 R)
• M4: 2,203,427 km (0.116 R)
• M5: 3,260,635 km (0.097 R)
• M6: 5,593,315 km (0.102 R)
• M7: 9,772,631 km (0.113 R)
• M8: 10,413,657 km (0.042 R)
• M9: 11,462,638 km (0.072 R)
• M10: 12,030,661 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.1

Radius: 10.8

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.24 AU - 3.12 AU

Year: 2926 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,753,534 km

• M1: 135,835 km (0.044 R)
• M2: 552,166 km (0.088 R)
• M3: 935,435 km (0.109 R)
• M4: 1,280,857 km (0.09 R)
• M5: 2,448,468 km (0.085 R)
• M6: 3,251,061 km (0.077 R)
• M7: 3,754,458 km (0.087 R)
• M8: 4,490,928 km (0.118 R)
• M9: 5,321,047 km (0.053 R)
• M10: 5,855,410 km (0.111 R)
• M11: 6,250,498 km (0.102 R)
• M12: 6,633,319 km (0.084 R)
• M13: 7,413,622 km (0.105 R)
• M14: 8,080,978 km (0.093 R)
• M15: 8,607,562 km (0.06 R)
• M16: 9,119,486 km (0.117 R)
• M17: 10,285,003 km (0.074 R)
• M18: 10,778,078 km (0.08 R)
• M19: 12,675,577 km (0.09 R)
• M20: 13,051,816 km (0.083 R)
• M21: 13,679,080 km (0.112 R)
• M22: 14,376,954 km (0.083 R)
• M23: 14,786,403 km (0.106 R)
• M24: 15,574,784 km (0.071 R)
• M25: 18,828,837 km (0.104 R)
• M26: 19,817,978 km (0.057 R)
• M27: 20,325,414 km (0.113 R)
• M28: 20,711,526 km (0.103 R)
• M29: 21,432,438 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.9

Radius: 11

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.54 AU - 2.98 AU

Year: 3058 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,753,534 km

• M1: 136,882 km (0.086 R)
• M2: 504,594 km (0.106 R)
• M3: 951,742 km (0.101 R)
• M4: 1,424,022 km (0.091 R)
• M5: 1,894,059 km (0.079 R)
• M6: 2,606,892 km (0.109 R)
• M7: 3,043,868 km (0.049 R)
• M8: 4,562,735 km (0.063 R)
• M9: 5,356,651 km (0.072 R)
• M10: 7,027,510 km (0.113 R)
• M11: 7,511,159 km (0.077 R)
• M12: 7,913,877 km (0.115 R)
• M13: 11,455,008 km (0.07 R)
• M14: 12,080,327 km (0.1 R)
• M15: 12,494,265 km (0.097 R)
• M16: 13,546,087 km (0.102 R)
• M17: 15,127,187 km (0.097 R)
• M18: 15,554,439 km (0.063 R)
• M19: 16,099,723 km (0.09 R)
• M20: 17,460,914 km (0.098 R)
• M21: 22,276,918 km (0.086 R)
• M22: 22,830,430 km (0.111 R)
• M23: 23,181,088 km (0.108 R)
• M24: 23,606,394 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.1

Radius: 8

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.98 AU - 4.66 AU

Year: 5988 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,753,534 km

• M1: 99,483 km (0.05 R)
• M2: 406,757 km (0.058 R)
• M3: 827,725 km (0.091 R)
• M4: 1,376,600 km (0.114 R)
• M5: 1,859,352 km (0.095 R)
• M6: 2,433,060 km (0.081 R)
• M7: 3,245,675 km (0.09 R)
• M8: 3,880,868 km (0.061 R)
• M9: 4,202,653 km (0.083 R)
• M10: 4,650,399 km (0.043 R)
• M11: 8,073,797 km (0.071 R)
• M12: 8,641,222 km (0.117 R)
• M13: 8,934,882 km (0.078 R)
• M14: 10,083,944 km (0.097 R)
• M15: 10,551,138 km (0.112 R)
• M16: 12,248,475 km (0.049 R)
• M17: 13,438,975 km (0.083 R)
• M18: 15,305,957 km (0.061 R)
• M19: 17,672,744 km (0.051 R)
• M20: 22,560,556 km (0.097 R)
• M21: 23,440,790 km (0.104 R)
• M22: 24,426,939 km (0.07 R)
• M23: 26,746,454 km (0.078 R)
• M24: 28,279,832 km (0.112 R)
• M25: 31,323,849 km (0.111 R)
• M26: 32,017,684 km (0.085 R)
• M27: 32,519,585 km (0.085 R)
• M28: 33,333,398 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.8

Radius: 8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.27 AU - 4.87 AU

Year: 6515 Days

Day: 8.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,753,534 km

• M1: 99,483 km (0.113 R)
• M2: 549,174 km (0.103 R)
• M3: 896,091 km (0.076 R)
• M4: 1,611,767 km (0.115 R)
• M5: 2,998,839 km (0.103 R)
• M6: 4,745,095 km (0.086 R)
• M7: 5,023,796 km (0.119 R)
• M8: 6,059,611 km (0.101 R)
• M9: 6,415,953 km (0.09 R)
• M10: 9,940,779 km (0.084 R)
• M11: 11,604,307 km (0.036 R)
• M12: 14,147,471 km (0.095 R)
• M13: 14,824,850 km (0.072 R)
• M14: 15,881,011 km (0.069 R)
• M15: 17,696,231 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.3

Radius: 6.9

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.45 AU - 11.67 AU

Year: 21278 Days

Day: 19.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,753,534 km

• M1: 85,869 km (0.082 R)
• M2: 328,218 km (0.062 R)
• M3: 2,722,083 km (0.101 R)
• M4: 3,216,653 km (0.111 R)
• M5: 5,694,293 km (0.095 R)
• M6: 7,901,460 km (0.115 R)
• M7: 11,905,747 km (0.115 R)
• M8: 12,420,513 km (0.115 R)
• M9: 14,775,183 km (0.038 R)
• M10: 21,551,069 km (0.089 R)
• M11: 22,412,005 km (0.071 R)
• M12: 32,321,368 km (0.112 R)
• M13: 32,569,551 km (0.072 R)
• M14: 35,914,260 km (0.042 R)
• M15: 38,498,264 km (0.03 R)
• M16: 39,622,492 km (0.102 R)
• M17: 39,906,878 km (0.103 R)
• M18: 47,149,210 km (0.094 R)
• M19: 56,829,389 km (0.065 R)
• M20: 60,516,827 km (0.096 R)
• M21: 61,273,044 km (0.06 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 14,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit