🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 8.2

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.19 AU - 1.57 AU

Year: 1140 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,360,772 km

• M1: 102,026 km (0.118 R)
• M2: 376,388 km (0.069 R)
• M3: 712,086 km (0.089 R)
• M4: 1,031,178 km (0.103 R)
• M5: 1,683,275 km (0.115 R)
• M6: 2,020,469 km (0.085 R)
• M7: 2,523,716 km (0.062 R)
• M8: 3,107,896 km (0.078 R)
• M9: 3,779,291 km (0.093 R)
• M10: 4,731,332 km (0.091 R)
• M11: 6,238,381 km (0.112 R)
• M12: 7,026,462 km (0.107 R)
• M13: 8,041,484 km (0.034 R)
• M14: 8,513,316 km (0.076 R)
• M15: 8,944,756 km (0.077 R)
• M16: 9,421,076 km (0.1 R)
• M17: 9,696,336 km (0.1 R)
• M18: 11,052,739 km (0.104 R)
• M19: 11,917,864 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 9.2

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.37 AU - 1.85 AU

Year: 1436 Days

Day: 13 Hours

Environment

Temp: -202 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,360,772 km

• M1: 114,442 km (0.067 R)
• M2: 467,493 km (0.102 R)
• M3: 802,742 km (0.056 R)
• M4: 1,229,545 km (0.093 R)
• M5: 1,742,516 km (0.108 R)
• M6: 2,495,741 km (0.104 R)
• M7: 3,028,310 km (0.106 R)
• M8: 4,358,833 km (0.094 R)
• M9: 4,694,232 km (0.084 R)
• M10: 6,767,508 km (0.102 R)
• M11: 7,576,983 km (0.085 R)
• M12: 9,949,006 km (0.084 R)
• M13: 10,358,755 km (0.1 R)
• M14: 10,673,359 km (0.029 R)
• M15: 12,539,443 km (0.029 R)
• M16: 14,569,636 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.1

Radius: 11.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.77 AU - 2.49 AU

Year: 2185 Days

Day: 8 Hours

Environment

Temp: -211 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,360,772 km

• M1: 147,055 km (0.1 R)
• M2: 580,440 km (0.069 R)
• M3: 1,395,299 km (0.082 R)
• M4: 1,891,067 km (0.053 R)
• M5: 2,277,328 km (0.115 R)
• M6: 2,730,610 km (0.114 R)
• M7: 3,291,004 km (0.095 R)
• M8: 4,505,289 km (0.078 R)
• M9: 4,991,483 km (0.067 R)
• M10: 5,557,411 km (0.092 R)
• M11: 7,655,821 km (0.092 R)
• M12: 13,106,419 km (0.071 R)
• M13: 13,722,164 km (0.112 R)
• M14: 14,100,796 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.1

Radius: 13.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.15 AU - 2.67 AU

Year: 2630 Days

Day: 12.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,360,772 km

• M1: 172,187 km (0.074 R)
• M2: 711,487 km (0.096 R)
• M3: 1,333,665 km (0.032 R)
• M4: 2,150,021 km (0.037 R)
• M5: 3,776,299 km (0.049 R)
• M6: 4,352,700 km (0.095 R)
• M7: 4,921,471 km (0.093 R)
• M8: 5,867,677 km (0.096 R)
• M9: 6,384,688 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.3

Radius: 12.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.87 AU - 4.49 AU

Year: 4962 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,360,772 km

• M1: 156,928 km (0.094 R)
• M2: 634,744 km (0.085 R)
• M3: 2,223,174 km (0.06 R)
• M4: 2,617,514 km (0.067 R)
• M5: 5,188,204 km (0.085 R)
• M6: 5,602,739 km (0.065 R)
• M7: 6,753,297 km (0.111 R)
• M8: 8,238,504 km (0.117 R)
• M9: 10,227,558 km (0.095 R)
• M10: 21,070,411 km (0.068 R)
• M11: 22,347,528 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.1

Radius: 7

Gravity: 15.53 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.13 AU - 5.83 AU

Year: 9017 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,360,772 km

• M1: 87,066 km (0.066 R)
• M2: 352,303 km (0.089 R)
• M3: 1,660,088 km (0.027 R)
• M4: 1,937,143 km (0.073 R)
• M5: 2,317,720 km (0.108 R)
• M6: 2,545,557 km (0.098 R)
• M7: 2,830,541 km (0.061 R)
• M8: 3,392,730 km (0.09 R)
• M9: 4,737,316 km (0.103 R)
• M10: 5,561,750 km (0.08 R)
• M11: 6,515,586 km (0.12 R)
• M12: 8,652,442 km (0.091 R)
• M13: 9,064,584 km (0.067 R)
• M14: 9,346,576 km (0.104 R)
• M15: 11,542,224 km (0.083 R)
• M16: 13,873,407 km (0.101 R)
• M17: 14,311,430 km (0.064 R)
• M18: 15,883,255 km (0.086 R)
• M19: 16,362,566 km (0.073 R)
• M20: 17,064,031 km (0.103 R)
• M21: 21,449,941 km (0.076 R)
• M22: 31,498,430 km (0.112 R)
• M23: 36,811,249 km (0.114 R)
• M24: 37,771,368 km (0.059 R)
• M25: 40,624,499 km (0.038 R)
• M26: 41,908,497 km (0.109 R)
• M27: 44,557,427 km (0.032 R)
• M28: 45,373,483 km (0.088 R)
• M29: 46,061,035 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884

Radius: 7.9

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.95 AU - 8.37 AU

Year: 16385 Days

Day: 16.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,360,772 km

• M1: 98,286 km (0.089 R)
• M2: 373,247 km (0.074 R)
• M3: 740,659 km (0.063 R)
• M4: 2,235,291 km (0.106 R)
• M5: 5,619,345 km (0.091 R)
• M6: 6,395,309 km (0.11 R)
• M7: 8,883,271 km (0.096 R)
• M8: 11,377,367 km (0.059 R)
• M9: 11,952,870 km (0.109 R)
• M10: 17,194,181 km (0.052 R)
• M11: 19,264,316 km (0.095 R)
• M12: 21,302,886 km (0.092 R)
• M13: 23,277,279 km (0.107 R)
• M14: 30,411,452 km (0.104 R)
• M15: 36,767,566 km (0.06 R)
• M16: 47,630,316 km (0.061 R)
• M17: 50,134,435 km (0.084 R)
• M18: 56,683,980 km (0.056 R)
• M19: 68,898,197 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.7

Radius: 5.3

Gravity: 31.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.78 AU - 9.78 AU

Year: 16748 Days

Day: 22.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,360,772 km

• M1: 77,492 km (0.087 R)
• M2: 263,143 km (0.113 R)
• M3: 627,413 km (0.095 R)
• M4: 947,852 km (0.114 R)
• M5: 1,241,214 km (0.075 R)
• M6: 2,068,639 km (0.104 R)
• M7: 2,339,561 km (0.083 R)
• M8: 3,816,092 km (0.116 R)
• M9: 4,388,753 km (0.082 R)
• M10: 4,730,883 km (0.119 R)
• M11: 4,944,509 km (0.073 R)
• M12: 5,703,419 km (0.105 R)
• M13: 7,497,546 km (0.047 R)
• M14: 11,248,713 km (0.116 R)
• M15: 12,688,592 km (0.113 R)
• M16: 13,882,084 km (0.081 R)
• M17: 15,691,919 km (0.105 R)
• M18: 16,087,905 km (0.118 R)
• M19: 16,409,390 km (0.077 R)
• M20: 19,047,998 km (0.052 R)
• M21: 19,498,437 km (0.116 R)
• M22: 20,234,010 km (0.111 R)
• M23: 21,956,330 km (0.051 R)
• M24: 22,252,683 km (0.112 R)
• M25: 27,248,953 km (0.097 R)
• M26: 32,049,997 km (0.118 R)
• M27: 34,118,338 km (0.11 R)
• M28: 35,590,979 km (0.047 R)
• M29: 36,688,130 km (0.092 R)
• M30: 41,003,729 km (0.101 R)
• M31: 45,485,681 km (0.044 R)
• M32: 45,806,270 km (0.114 R)
• M33: 47,761,663 km (0.113 R)
• M34: 50,797,902 km (0.109 R)
• M35: 53,960,550 km (0.099 R)
• M36: 66,265,723 km (0.077 R)
• M37: 66,884,460 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.4

Radius: 3.9

Gravity: 17.78 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.84 AU - 10.98 AU

Year: 18695 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,360,772 km

• M1: 48,619 km (0.099 R)
• M2: 851,810 km (0.059 R)
• M3: 1,074,711 km (0.025 R)
• M4: 2,770,852 km (0.11 R)
• M5: 2,927,930 km (0.073 R)
• M6: 4,436,774 km (0.116 R)
• M7: 4,683,311 km (0.119 R)
• M8: 5,070,321 km (0.094 R)
• M9: 5,726,008 km (0.111 R)
• M10: 7,985,534 km (0.107 R)
• M11: 10,078,259 km (0.083 R)
• M12: 10,236,683 km (0.061 R)
• M13: 15,868,445 km (0.104 R)
• M14: 19,535,537 km (0.118 R)
• M15: 19,947,230 km (0.054 R)
• M16: 21,303,485 km (0.116 R)
• M17: 22,992,445 km (0.072 R)
• M18: 24,672,878 km (0.032 R)
• M19: 26,835,764 km (0.062 R)
• M20: 31,646,831 km (0.099 R)
• M21: 35,763,615 km (0.083 R)
• M22: 41,697,714 km (0.049 R)
• M23: 52,091,475 km (0.04 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 12,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit