🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.2

Radius: 8.4

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.75 AU - 1.05 AU

Year: 543 Days

Day: 9 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,291,477 km

• M1: 104,569 km (0.06 R)
• M2: 374,743 km (0.071 R)
• M3: 658,530 km (0.109 R)
• M4: 1,065,137 km (0.064 R)
• M5: 1,327,532 km (0.097 R)
• M6: 1,603,988 km (0.114 R)
• M7: 2,013,139 km (0.058 R)
• M8: 2,510,851 km (0.106 R)
• M9: 2,772,946 km (0.091 R)
• M10: 3,542,029 km (0.107 R)
• M11: 4,196,071 km (0.073 R)
• M12: 4,476,267 km (0.032 R)
• M13: 5,996,631 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.3

Radius: 13.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.95 AU - 1.01 AU

Year: 617 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,291,477 km

• M1: 167,998 km (0.085 R)
• M2: 613,052 km (0.091 R)
• M3: 1,042,847 km (0.073 R)
• M4: 1,554,920 km (0.111 R)
• M5: 2,101,401 km (0.086 R)
• M6: 2,607,940 km (0.107 R)
• M7: 3,047,159 km (0.074 R)
• M8: 3,743,388 km (0.099 R)
• M9: 5,028,284 km (0.103 R)
• M10: 5,791,532 km (0.116 R)
• M11: 6,221,327 km (0.119 R)
• M12: 6,735,943 km (0.074 R)
• M13: 7,345,854 km (0.067 R)
• M14: 7,968,630 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 13.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.04 AU - 1.12 AU

Year: 714 Days

Day: 14.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 111.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,291,477 km

• M1: 171,589 km (0.111 R)
• M2: 653,443 km (0.095 R)
• M3: 1,493,585 km (0.073 R)
• M4: 2,372,323 km (0.089 R)
• M5: 3,016,043 km (0.046 R)
• M6: 3,508,220 km (0.071 R)
• M7: 4,155,530 km (0.114 R)
• M8: 4,736,269 km (0.119 R)
• M9: 5,763,707 km (0.106 R)
• M10: 6,409,072 km (0.088 R)
• M11: 7,081,066 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.3

Radius: 14.9

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.27 AU - 1.35 AU

Year: 953 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,291,477 km

• M1: 185,352 km (0.083 R)
• M2: 687,103 km (0.104 R)
• M3: 1,256,473 km (0.082 R)
• M4: 2,346,443 km (0.109 R)
• M5: 2,809,747 km (0.117 R)
• M6: 3,282,028 km (0.105 R)
• M7: 4,342,078 km (0.086 R)
• M8: 5,301,898 km (0.1 R)
• M9: 5,774,328 km (0.101 R)
• M10: 6,357,461 km (0.055 R)
• M11: 6,913,815 km (0.083 R)
• M12: 7,479,295 km (0.047 R)
• M13: 8,198,562 km (0.103 R)
• M14: 8,780,946 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 13.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.36 AU - 1.58 AU

Year: 1133 Days

Day: 7.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,291,477 km

• M1: 165,455 km (0.032 R)
• M2: 585,376 km (0.104 R)
• M3: 1,044,193 km (0.1 R)
• M4: 1,658,143 km (0.083 R)
• M5: 2,360,355 km (0.089 R)
• M6: 3,295,940 km (0.069 R)
• M7: 3,734,112 km (0.075 R)
• M8: 4,178,418 km (0.055 R)
• M9: 4,640,376 km (0.062 R)
• M10: 5,117,444 km (0.109 R)
• M11: 5,832,372 km (0.1 R)
• M12: 6,301,511 km (0.025 R)
• M13: 6,726,818 km (0.062 R)
• M14: 7,660,608 km (0.114 R)
• M15: 8,119,873 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.5

Radius: 8

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.3 AU - 7.62 AU

Year: 10440 Days

Day: 23.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,291,477 km

• M1: 101,128 km (0.043 R)
• M2: 452,982 km (0.11 R)
• M3: 738,565 km (0.091 R)
• M4: 1,029,832 km (0.12 R)
• M5: 1,411,157 km (0.061 R)
• M6: 1,745,807 km (0.084 R)
• M7: 2,479,286 km (0.095 R)
• M8: 3,193,316 km (0.097 R)
• M9: 3,573,594 km (0.075 R)
• M10: 4,540,744 km (0.036 R)
• M11: 4,899,031 km (0.106 R)
• M12: 5,505,052 km (0.12 R)
• M13: 6,053,179 km (0.084 R)
• M14: 8,261,542 km (0.094 R)
• M15: 9,119,337 km (0.085 R)
• M16: 10,235,486 km (0.114 R)
• M17: 12,048,463 km (0.076 R)
• M18: 13,149,952 km (0.045 R)
• M19: 14,571,281 km (0.086 R)
• M20: 16,367,204 km (0.095 R)
• M21: 16,785,479 km (0.036 R)
• M22: 19,915,965 km (0.045 R)
• M23: 22,547,690 km (0.088 R)
• M24: 23,503,321 km (0.104 R)
• M25: 23,768,708 km (0.092 R)
• M26: 28,892,435 km (0.093 R)
• M27: 32,799,333 km (0.027 R)
• M28: 33,576,195 km (0.088 R)
• M29: 35,051,230 km (0.076 R)
• M30: 37,644,958 km (0.025 R)
• M31: 41,771,465 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.4

Radius: 5.6

Gravity: 24.38 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.66 AU - 8.1 AU

Year: 11474 Days

Day: 19.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,291,477 km

• M1: 69,713 km (0.08 R)
• M2: 467,045 km (0.12 R)
• M3: 1,644,230 km (0.118 R)
• M4: 1,972,448 km (0.072 R)
• M5: 2,189,814 km (0.11 R)
• M6: 3,175,215 km (0.067 R)
• M7: 6,088,185 km (0.047 R)
• M8: 9,272,824 km (0.116 R)
• M9: 14,469,854 km (0.097 R)
• M10: 15,084,103 km (0.081 R)
• M11: 16,291,208 km (0.115 R)
• M12: 17,181,315 km (0.106 R)
• M13: 20,382,111 km (0.039 R)
• M14: 23,677,304 km (0.068 R)
• M15: 25,499,855 km (0.048 R)
• M16: 25,697,025 km (0.094 R)
• M17: 28,564,816 km (0.066 R)
• M18: 29,530,021 km (0.076 R)
• M19: 31,074,470 km (0.058 R)
• M20: 42,862,483 km (0.103 R)
• M21: 43,561,703 km (0.103 R)
• M22: 44,553,238 km (0.071 R)
• M23: 48,519,227 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.8

Radius: 4.1

Gravity: 17.54 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.53 AU - 12.69 AU

Year: 23545 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 39,291,477 km

• M1: 51,162 km (0.069 R)
• M2: 191,635 km (0.119 R)
• M3: 602,281 km (0.072 R)
• M4: 1,660,836 km (0.06 R)
• M5: 1,849,030 km (0.09 R)
• M6: 2,500,379 km (0.036 R)
• M7: 2,656,260 km (0.047 R)
• M8: 3,266,470 km (0.112 R)
• M9: 3,906,000 km (0.105 R)
• M10: 4,691,688 km (0.084 R)
• M11: 4,894,842 km (0.087 R)
• M12: 5,539,908 km (0.115 R)
• M13: 6,321,108 km (0.114 R)
• M14: 6,909,776 km (0.1 R)
• M15: 7,307,108 km (0.066 R)
• M16: 7,766,224 km (0.117 R)
• M17: 8,195,719 km (0.071 R)
• M18: 8,540,393 km (0.11 R)
• M19: 10,072,574 km (0.099 R)
• M20: 10,240,872 km (0.067 R)
• M21: 10,525,407 km (0.072 R)
• M22: 11,170,174 km (0.103 R)
• M23: 12,797,948 km (0.031 R)
• M24: 14,720,730 km (0.11 R)
• M25: 17,626,519 km (0.113 R)
• M26: 17,789,281 km (0.107 R)
• M27: 18,618,053 km (0.106 R)
• M28: 20,892,839 km (0.105 R)
• M29: 21,350,459 km (0.069 R)
• M30: 23,938,352 km (0.091 R)
• M31: 24,338,676 km (0.041 R)
• M32: 32,695,512 km (0.113 R)
• M33: 33,188,138 km (0.063 R)
• M34: 35,337,710 km (0.095 R)
• M35: 36,249,060 km (0.074 R)
• M36: 42,485,496 km (0.117 R)
• M37: 45,015,944 km (0.094 R)
• M38: 49,399,910 km (0.08 R)
• M39: 54,921,717 km (0.068 R)
• M40: 55,443,065 km (0.074 R)
• M41: 58,641,468 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.5

Radius: 6.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 9.77 AU - 13.09 AU

Year: 24570 Days

Day: 16.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,291,477 km

• M1: 90,656 km (0.044 R)
• M2: 376,538 km (0.109 R)
• M3: 676,631 km (0.116 R)
• M4: 1,092,364 km (0.099 R)
• M5: 1,781,262 km (0.113 R)
• M6: 2,690,219 km (0.083 R)
• M7: 2,990,461 km (0.08 R)
• M8: 3,754,607 km (0.11 R)
• M9: 4,234,667 km (0.103 R)
• M10: 7,157,061 km (0.056 R)
• M11: 8,554,305 km (0.091 R)
• M12: 8,810,866 km (0.051 R)
• M13: 10,267,351 km (0.096 R)
• M14: 11,052,590 km (0.092 R)
• M15: 13,649,011 km (0.076 R)
• M16: 27,353,671 km (0.11 R)
• M17: 31,519,523 km (0.119 R)
• M18: 36,760,386 km (0.059 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: 222 - 12,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit