🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 13.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.78 AU - 1.2 AU

Year: 680 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,300,024 km

• M1: 173,833 km (0.101 R)
• M2: 910,602 km (0.071 R)
• M3: 2,441,437 km (0.115 R)
• M4: 3,096,526 km (0.099 R)
• M5: 4,362,573 km (0.11 R)
• M6: 5,169,953 km (0.098 R)
• M7: 5,756,227 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.1

Radius: 14.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.92 AU - 1.48 AU

Year: 907 Days

Day: 13.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,300,024 km

• M1: 185,950 km (0.115 R)
• M2: 675,285 km (0.103 R)
• M3: 1,770,491 km (0.08 R)
• M4: 2,341,506 km (0.09 R)
• M5: 3,072,740 km (0.114 R)
• M6: 4,104,816 km (0.115 R)
• M7: 4,787,431 km (0.109 R)
• M8: 6,830,489 km (0.075 R)
• M9: 7,961,599 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 8.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.2 AU - 1.22 AU

Year: 919 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,300,024 km

• M1: 114,442 km (0.094 R)
• M2: 490,531 km (0.095 R)
• M3: 872,305 km (0.052 R)
• M4: 2,310,390 km (0.097 R)
• M5: 2,608,688 km (0.091 R)
• M6: 2,890,680 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 11.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.57 AU - 1.99 AU

Year: 1639 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,300,024 km

• M1: 148,102 km (0.047 R)
• M2: 669,899 km (0.062 R)
• M3: 1,046,437 km (0.119 R)
• M4: 1,655,899 km (0.119 R)
• M5: 2,813,188 km (0.093 R)
• M6: 3,830,902 km (0.106 R)
• M7: 4,496,314 km (0.099 R)
• M8: 4,873,899 km (0.068 R)
• M9: 5,712,395 km (0.072 R)
• M10: 6,316,471 km (0.119 R)
• M11: 6,876,865 km (0.112 R)
• M12: 7,402,701 km (0.115 R)
• M13: 7,837,881 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.9

Radius: 13.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.58 AU - 2.36 AU

Year: 1909 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,300,024 km

• M1: 162,912 km (0.067 R)
• M2: 636,838 km (0.095 R)
• M3: 1,149,510 km (0.092 R)
• M4: 1,726,210 km (0.072 R)
• M5: 2,161,540 km (0.103 R)
• M6: 2,799,724 km (0.1 R)
• M7: 4,104,367 km (0.075 R)
• M8: 4,829,169 km (0.104 R)
• M9: 5,245,051 km (0.071 R)
• M10: 6,250,947 km (0.103 R)
• M11: 7,100,513 km (0.097 R)
• M12: 7,582,368 km (0.072 R)
• M13: 8,580,485 km (0.086 R)
• M14: 9,127,864 km (0.072 R)
• M15: 12,834,001 km (0.108 R)
• M16: 15,157,855 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 8.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.94 AU - 2.74 AU

Year: 2471 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,300,024 km

• M1: 108,159 km (0.099 R)
• M2: 436,826 km (0.091 R)
• M3: 951,891 km (0.073 R)
• M4: 1,324,839 km (0.085 R)
• M5: 1,674,449 km (0.077 R)
• M6: 2,309,193 km (0.111 R)
• M7: 2,750,806 km (0.077 R)
• M8: 3,021,578 km (0.058 R)
• M9: 3,567,460 km (0.106 R)
• M10: 4,288,971 km (0.092 R)
• M11: 4,694,531 km (0.117 R)
• M12: 4,999,710 km (0.092 R)
• M13: 5,740,968 km (0.043 R)
• M14: 6,404,883 km (0.09 R)
• M15: 7,633,082 km (0.118 R)
• M16: 8,614,743 km (0.061 R)
• M17: 9,104,826 km (0.108 R)
• M18: 10,107,131 km (0.111 R)
• M19: 10,479,929 km (0.069 R)
• M20: 11,109,736 km (0.117 R)
• M21: 12,638,477 km (0.088 R)
• M22: 13,925,467 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.4

Radius: 9.5

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.5 AU - 3.02 AU

Year: 3165 Days

Day: 8.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,300,024 km

• M1: 118,182 km (0.076 R)
• M2: 519,703 km (0.11 R)
• M3: 1,154,297 km (0.06 R)
• M4: 1,717,084 km (0.106 R)
• M5: 3,388,242 km (0.084 R)
• M6: 4,759,007 km (0.102 R)
• M7: 6,348,186 km (0.118 R)
• M8: 6,865,495 km (0.074 R)
• M9: 7,443,541 km (0.109 R)
• M10: 8,193,625 km (0.081 R)
• M11: 10,166,671 km (0.071 R)
• M12: 10,747,859 km (0.065 R)
• M13: 11,571,844 km (0.066 R)
• M14: 13,790,680 km (0.054 R)
• M15: 18,498,375 km (0.087 R)
• M16: 20,780,341 km (0.109 R)
• M17: 22,820,108 km (0.05 R)
• M18: 23,528,753 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.3

Radius: 4.1

Gravity: 36.19 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.07 AU - 6.85 AU

Year: 11333 Days

Day: 16.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,300,024 km

• M1: 51,162 km (0.109 R)
• M2: 197,320 km (0.066 R)
• M3: 760,107 km (0.075 R)
• M4: 1,137,542 km (0.083 R)
• M5: 1,832,724 km (0.075 R)
• M6: 2,861,807 km (0.096 R)
• M7: 3,253,006 km (0.073 R)
• M8: 4,028,820 km (0.089 R)
• M9: 5,758,770 km (0.116 R)
• M10: 6,009,496 km (0.099 R)
• M11: 11,688,680 km (0.107 R)
• M12: 14,046,043 km (0.088 R)
• M13: 15,369,685 km (0.085 R)
• M14: 16,558,240 km (0.116 R)
• M15: 16,774,110 km (0.114 R)
• M16: 21,926,859 km (0.111 R)
• M17: 22,980,926 km (0.091 R)
• M18: 24,906,101 km (0.087 R)
• M19: 26,345,232 km (0.084 R)
• M20: 30,452,143 km (0.095 R)
• M21: 31,102,893 km (0.074 R)
• M22: 35,202,623 km (0.092 R)
• M23: 40,164,186 km (0.051 R)
• M24: 42,541,296 km (0.114 R)
• M25: 45,571,999 km (0.077 R)
• M26: 46,280,196 km (0.078 R)

Asteroid Belt

Center: 6.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.8

Radius: 4.3

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.47 AU - 8.01 AU

Year: 13447 Days

Day: 21.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,300,024 km

• M1: 53,706 km (0.108 R)
• M2: 314,305 km (0.1 R)
• M3: 644,916 km (0.086 R)
• M4: 943,065 km (0.115 R)
• M5: 1,167,013 km (0.063 R)
• M6: 1,582,446 km (0.056 R)
• M7: 1,930,710 km (0.105 R)
• M8: 2,363,646 km (0.101 R)
• M9: 3,511,960 km (0.113 R)
• M10: 3,774,803 km (0.071 R)
• M11: 3,923,653 km (0.098 R)
• M12: 4,286,278 km (0.116 R)
• M13: 4,727,592 km (0.109 R)
• M14: 4,900,677 km (0.091 R)
• M15: 7,553,645 km (0.069 R)
• M16: 14,580,407 km (0.078 R)
• M17: 17,623,976 km (0.095 R)
• M18: 18,040,755 km (0.103 R)
• M19: 18,535,176 km (0.064 R)
• M20: 20,987,983 km (0.069 R)
• M21: 23,315,127 km (0.06 R)
• M22: 25,454,377 km (0.087 R)
• M23: 26,255,623 km (0.075 R)
• M24: 27,814,433 km (0.081 R)
• M25: 28,284,469 km (0.116 R)
• M26: 30,714,088 km (0.101 R)
• M27: 32,964,190 km (0.086 R)
• M28: 35,431,508 km (0.086 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 18,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit