🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 14.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.89 AU - 1.17 AU

Year: 665 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,175,002 km

• M1: 181,612 km (0.111 R)
• M2: 786,885 km (0.066 R)
• M3: 1,334,563 km (0.066 R)
• M4: 1,804,898 km (0.096 R)
• M5: 2,635,166 km (0.09 R)
• M6: 3,243,132 km (0.097 R)
• M7: 4,308,867 km (0.05 R)
• M8: 6,194,997 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 9.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.02 AU - 1.06 AU

Year: 674 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,175,002 km

• M1: 123,119 km (0.082 R)
• M2: 461,809 km (0.105 R)
• M3: 857,345 km (0.115 R)
• M4: 1,262,905 km (0.101 R)
• M5: 1,944,473 km (0.054 R)
• M6: 2,513,543 km (0.057 R)
• M7: 3,118,816 km (0.103 R)
• M8: 3,437,310 km (0.087 R)
• M9: 3,818,336 km (0.078 R)
• M10: 4,271,468 km (0.06 R)
• M11: 4,952,886 km (0.114 R)
• M12: 5,545,443 km (0.117 R)
• M13: 5,868,276 km (0.102 R)
• M14: 6,730,558 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.1

Radius: 11.2

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.84 AU - 4 AU

Year: 4021 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,175,002 km

• M1: 140,622 km (0.089 R)
• M2: 710,291 km (0.119 R)
• M3: 1,678,488 km (0.107 R)
• M4: 2,086,142 km (0.035 R)
• M5: 2,468,814 km (0.078 R)
• M6: 2,966,526 km (0.12 R)
• M7: 3,588,703 km (0.03 R)
• M8: 4,252,020 km (0.096 R)
• M9: 5,044,590 km (0.113 R)
• M10: 5,988,104 km (0.068 R)
• M11: 7,360,514 km (0.054 R)
• M12: 7,817,087 km (0.116 R)
• M13: 8,823,432 km (0.047 R)
• M14: 9,914,000 km (0.096 R)
• M15: 10,553,083 km (0.067 R)
• M16: 13,387,513 km (0.098 R)
• M17: 18,836,167 km (0.104 R)
• M18: 19,261,175 km (0.104 R)
• M19: 20,446,887 km (0.101 R)
• M20: 21,025,233 km (0.081 R)
• M21: 21,680,471 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.94 AU - 5.52 AU

Year: 7605 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,175,002 km

• M1: 100,231 km (0.081 R)
• M2: 364,720 km (0.09 R)
• M3: 711,188 km (0.115 R)
• M4: 982,559 km (0.111 R)
• M5: 2,080,458 km (0.099 R)
• M6: 2,414,061 km (0.093 R)
• M7: 3,007,964 km (0.089 R)
• M8: 3,339,772 km (0.029 R)
• M9: 3,968,532 km (0.064 R)
• M10: 4,437,821 km (0.085 R)
• M11: 7,825,465 km (0.118 R)
• M12: 9,618,993 km (0.095 R)
• M13: 11,448,725 km (0.105 R)
• M14: 16,958,564 km (0.061 R)
• M15: 20,248,670 km (0.112 R)
• M16: 21,233,024 km (0.115 R)
• M17: 24,450,426 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.8

Radius: 3.4

Gravity: 56.21 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.82 AU - 10.48 AU

Year: 16175 Days

Day: 15.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,175,002 km

• M1: 56,249 km (0.053 R)
• M2: 283,787 km (0.092 R)
• M3: 401,969 km (0.03 R)
• M4: 561,142 km (0.09 R)
• M5: 732,880 km (0.118 R)
• M6: 883,974 km (0.086 R)
• M7: 1,758,673 km (0.119 R)
• M8: 2,012,091 km (0.069 R)
• M9: 2,458,791 km (0.12 R)
• M10: 2,613,924 km (0.109 R)
• M11: 3,118,966 km (0.081 R)
• M12: 4,677,776 km (0.053 R)
• M13: 5,680,830 km (0.096 R)
• M14: 7,487,224 km (0.117 R)
• M15: 9,973,690 km (0.108 R)
• M16: 12,372,043 km (0.054 R)
• M17: 12,827,868 km (0.103 R)
• M18: 14,262,362 km (0.059 R)
• M19: 17,203,905 km (0.092 R)
• M20: 17,689,499 km (0.104 R)
• M21: 19,374,420 km (0.119 R)
• M22: 21,163,461 km (0.082 R)
• M23: 22,192,844 km (0.115 R)
• M24: 23,353,275 km (0.112 R)
• M25: 24,452,071 km (0.077 R)
• M26: 24,962,649 km (0.06 R)
• M27: 25,480,407 km (0.114 R)
• M28: 28,964,541 km (0.082 R)
• M29: 31,176,495 km (0.075 R)
• M30: 35,281,162 km (0.087 R)
• M31: 36,725,529 km (0.074 R)
• M32: 36,992,412 km (0.058 R)
• M33: 37,126,302 km (0.052 R)
• M34: 37,800,540 km (0.085 R)
• M35: 40,153,864 km (0.112 R)
• M36: 43,640,092 km (0.105 R)
• M37: 52,716,345 km (0.073 R)
• M38: 52,885,839 km (0.088 R)
• M39: 58,324,171 km (0.104 R)
• M40: 59,418,030 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.7

Radius: 3.2

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.27 AU - 10.07 AU

Year: 16232 Days

Day: 22.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,175,002 km

• M1: 39,793 km (0.114 R)
• M2: 147,504 km (0.043 R)
• M3: 1,222,963 km (0.085 R)
• M4: 2,364,095 km (0.099 R)
• M5: 2,587,146 km (0.074 R)
• M6: 3,010,807 km (0.115 R)
• M7: 3,526,171 km (0.064 R)
• M8: 4,019,994 km (0.047 R)
• M9: 4,586,521 km (0.101 R)
• M10: 5,235,177 km (0.03 R)
• M11: 6,354,319 km (0.088 R)
• M12: 7,196,106 km (0.119 R)
• M13: 8,615,341 km (0.082 R)
• M14: 11,052,590 km (0.03 R)
• M15: 11,621,361 km (0.074 R)
• M16: 12,046,967 km (0.074 R)
• M17: 12,427,694 km (0.079 R)
• M18: 13,213,531 km (0.092 R)
• M19: 14,331,925 km (0.116 R)
• M20: 16,421,957 km (0.06 R)
• M21: 16,755,410 km (0.053 R)
• M22: 18,205,163 km (0.077 R)
• M23: 21,272,518 km (0.047 R)
• M24: 21,430,344 km (0.11 R)
• M25: 24,149,285 km (0.119 R)
• M26: 25,635,690 km (0.09 R)
• M27: 25,814,459 km (0.105 R)
• M28: 31,675,404 km (0.115 R)
• M29: 36,188,323 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.7

Radius: 5.8

Gravity: 23.18 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.93 AU - 10.43 AU

Year: 19149 Days

Day: 23 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,175,002 km

• M1: 88,712 km (0.077 R)
• M2: 283,638 km (0.098 R)
• M3: 552,465 km (0.079 R)
• M4: 870,959 km (0.101 R)
• M5: 1,206,058 km (0.102 R)
• M6: 1,507,049 km (0.111 R)
• M7: 1,838,259 km (0.119 R)
• M8: 3,129,438 km (0.051 R)
• M9: 3,406,344 km (0.112 R)
• M10: 3,639,567 km (0.088 R)
• M11: 4,336,393 km (0.108 R)
• M12: 5,543,200 km (0.111 R)
• M13: 5,907,770 km (0.105 R)
• M14: 6,288,346 km (0.058 R)
• M15: 6,506,610 km (0.065 R)
• M16: 8,283,384 km (0.034 R)
• M17: 11,681,350 km (0.043 R)
• M18: 13,396,190 km (0.097 R)
• M19: 15,429,225 km (0.089 R)
• M20: 16,977,414 km (0.06 R)
• M21: 19,907,587 km (0.065 R)
• M22: 20,095,332 km (0.086 R)
• M23: 23,996,246 km (0.102 R)
• M24: 24,746,031 km (0.114 R)
• M25: 25,732,928 km (0.098 R)
• M26: 28,492,410 km (0.11 R)
• M27: 29,454,325 km (0.095 R)
• M28: 29,698,169 km (0.111 R)
• M29: 31,189,510 km (0.113 R)
• M30: 36,380,706 km (0.04 R)
• M31: 39,253,434 km (0.067 R)
• M32: 40,143,990 km (0.103 R)
• M33: 45,771,264 km (0.119 R)
• M34: 59,331,563 km (0.066 R)
• M35: 60,897,703 km (0.053 R)
• M36: 62,090,297 km (0.11 R)
• M37: 69,144,136 km (0.052 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 17,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit