🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 14

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 12.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,618,465 km

• M1: 174,132 km (0.108 R)
• M2: 695,630 km (0.118 R)
• M3: 1,177,784 km (0.117 R)
• M4: 1,957,937 km (0.096 R)
• M5: 3,008,413 km (0.078 R)
• M6: 3,514,952 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.9

Radius: 12.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.86 AU - 0.86 AU

Year: 541 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,618,465 km

• M1: 150,645 km (0.046 R)
• M2: 546,631 km (0.048 R)
• M3: 1,007,542 km (0.104 R)
• M4: 1,454,540 km (0.116 R)
• M5: 2,014,186 km (0.09 R)
• M6: 2,499,182 km (0.076 R)
• M7: 3,006,468 km (0.094 R)
• M8: 3,561,327 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.4

Radius: 14

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.6 AU - 1.94 AU

Year: 1597 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,618,465 km

• M1: 174,282 km (0.086 R)
• M2: 689,945 km (0.059 R)
• M3: 1,229,395 km (0.106 R)
• M4: 2,035,877 km (0.096 R)
• M5: 2,675,558 km (0.051 R)
• M6: 3,341,418 km (0.12 R)
• M7: 4,394,437 km (0.103 R)
• M8: 5,024,843 km (0.108 R)
• M9: 6,406,230 km (0.11 R)
• M10: 7,353,633 km (0.112 R)
• M11: 8,003,785 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.1

Radius: 8

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.58 AU - 3.1 AU

Year: 3246 Days

Day: 5.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,618,465 km

• M1: 119,529 km (0.076 R)
• M2: 464,801 km (0.101 R)
• M3: 724,652 km (0.103 R)
• M4: 1,036,115 km (0.114 R)
• M5: 1,357,002 km (0.117 R)
• M6: 1,963,771 km (0.051 R)
• M7: 3,144,398 km (0.117 R)
• M8: 4,354,345 km (0.072 R)
• M9: 4,741,056 km (0.091 R)
• M10: 5,325,684 km (0.11 R)
• M11: 6,291,488 km (0.066 R)
• M12: 6,816,128 km (0.045 R)
• M13: 9,887,222 km (0.083 R)
• M14: 12,337,935 km (0.059 R)
• M15: 13,253,025 km (0.106 R)
• M16: 13,631,657 km (0.093 R)
• M17: 14,212,845 km (0.091 R)
• M18: 16,979,508 km (0.102 R)
• M19: 20,210,074 km (0.095 R)
• M20: 20,459,902 km (0.088 R)
• M21: 21,479,861 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.4

Radius: 12.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.32 AU - 5.74 AU

Year: 7651 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,618,465 km

• M1: 156,629 km (0.096 R)
• M2: 655,239 km (0.074 R)
• M3: 1,586,635 km (0.048 R)
• M4: 2,133,116 km (0.057 R)
• M5: 4,144,609 km (0.116 R)
• M6: 4,897,535 km (0.036 R)
• M7: 5,958,184 km (0.065 R)
• M8: 12,035,897 km (0.075 R)
• M9: 16,513,062 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.6

Radius: 10.5

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.68 AU - 6.08 AU

Year: 8464 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,618,465 km

• M1: 130,599 km (0.076 R)
• M2: 536,757 km (0.075 R)
• M3: 1,090,120 km (0.066 R)
• M4: 1,642,734 km (0.09 R)
• M5: 2,268,203 km (0.085 R)
• M6: 2,877,515 km (0.101 R)
• M7: 3,221,441 km (0.105 R)
• M8: 3,864,861 km (0.1 R)
• M9: 4,563,333 km (0.087 R)
• M10: 5,900,888 km (0.066 R)
• M11: 7,247,269 km (0.026 R)
• M12: 9,471,490 km (0.088 R)
• M13: 9,802,251 km (0.068 R)
• M14: 10,140,791 km (0.065 R)
• M15: 13,137,087 km (0.103 R)
• M16: 13,608,619 km (0.11 R)
• M17: 14,152,557 km (0.084 R)
• M18: 14,900,247 km (0.118 R)
• M19: 16,204,591 km (0.114 R)
• M20: 19,039,321 km (0.041 R)
• M21: 20,970,031 km (0.093 R)
• M22: 22,272,131 km (0.054 R)
• M23: 26,782,357 km (0.115 R)
• M24: 27,445,525 km (0.094 R)
• M25: 29,101,423 km (0.049 R)
• M26: 30,822,996 km (0.086 R)
• M27: 34,025,138 km (0.043 R)
• M28: 35,820,462 km (0.092 R)
• M29: 41,584,767 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.2

Radius: 6.5

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.31 AU - 8.53 AU

Year: 12347 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,618,465 km

• M1: 80,932 km (0.115 R)
• M2: 823,686 km (0.058 R)
• M3: 1,409,062 km (0.12 R)
• M4: 2,056,522 km (0.099 R)
• M5: 2,347,191 km (0.105 R)
• M6: 2,645,788 km (0.088 R)
• M7: 2,927,481 km (0.097 R)
• M8: 4,563,633 km (0.076 R)
• M9: 6,915,311 km (0.062 R)
• M10: 7,180,099 km (0.09 R)
• M11: 9,182,018 km (0.117 R)
• M12: 10,020,215 km (0.118 R)
• M13: 10,857,664 km (0.117 R)
• M14: 11,164,040 km (0.113 R)
• M15: 11,687,633 km (0.065 R)
• M16: 13,649,459 km (0.066 R)
• M17: 15,755,648 km (0.081 R)
• M18: 16,817,942 km (0.05 R)
• M19: 17,645,518 km (0.097 R)
• M20: 18,283,702 km (0.077 R)
• M21: 18,572,276 km (0.1 R)
• M22: 20,060,925 km (0.059 R)
• M23: 22,688,013 km (0.099 R)
• M24: 28,132,179 km (0.063 R)
• M25: 28,710,524 km (0.117 R)
• M26: 29,395,234 km (0.098 R)
• M27: 30,392,303 km (0.116 R)
• M28: 31,825,750 km (0.067 R)
• M29: 38,245,743 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.8

Radius: 7.6

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.12 AU - 8.88 AU

Year: 16808 Days

Day: 24 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,618,465 km

• M1: 94,546 km (0.106 R)
• M2: 411,993 km (0.073 R)
• M3: 689,796 km (0.09 R)
• M4: 1,443,470 km (0.044 R)
• M5: 1,756,129 km (0.092 R)
• M6: 2,729,114 km (0.042 R)
• M7: 4,278,050 km (0.113 R)
• M8: 4,964,555 km (0.046 R)
• M9: 5,258,814 km (0.072 R)
• M10: 6,642,145 km (0.114 R)
• M11: 7,183,839 km (0.094 R)
• M12: 8,561,935 km (0.032 R)
• M13: 9,203,411 km (0.101 R)
• M14: 11,961,846 km (0.06 R)
• M15: 12,900,124 km (0.106 R)
• M16: 13,176,880 km (0.075 R)
• M17: 16,571,405 km (0.031 R)
• M18: 19,312,337 km (0.083 R)
• M19: 27,457,343 km (0.118 R)
• M20: 28,147,139 km (0.044 R)
• M21: 28,613,286 km (0.096 R)
• M22: 35,152,208 km (0.111 R)
• M23: 35,557,170 km (0.103 R)
• M24: 36,102,155 km (0.072 R)
• M25: 36,652,526 km (0.111 R)
• M26: 38,195,029 km (0.114 R)
• M27: 38,766,493 km (0.067 R)
• M28: 50,053,204 km (0.112 R)
• M29: 52,124,984 km (0.084 R)
• M30: 56,254,335 km (0.046 R)
• M31: 59,443,163 km (0.089 R)
• M32: 65,157,353 km (0.034 R)
• M33: 71,875,643 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.5

Radius: 7.7

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.07 AU - 11.63 AU

Year: 22584 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,618,465 km

• M1: 96,341 km (0.069 R)
• M2: 338,241 km (0.118 R)
• M3: 821,741 km (0.097 R)
• M4: 1,088,773 km (0.039 R)
• M5: 1,713,793 km (0.111 R)
• M6: 2,055,325 km (0.082 R)
• M7: 2,581,311 km (0.095 R)
• M8: 3,418,311 km (0.047 R)
• M9: 5,657,193 km (0.1 R)
• M10: 8,672,338 km (0.091 R)
• M11: 9,566,485 km (0.039 R)
• M12: 11,148,781 km (0.042 R)
• M13: 12,069,407 km (0.093 R)
• M14: 12,757,407 km (0.113 R)
• M15: 17,272,720 km (0.053 R)
• M16: 17,880,835 km (0.039 R)
• M17: 18,865,488 km (0.094 R)
• M18: 19,980,142 km (0.093 R)
• M19: 24,120,562 km (0.119 R)
• M20: 24,880,220 km (0.115 R)
• M21: 25,432,685 km (0.077 R)
• M22: 27,372,072 km (0.094 R)
• M23: 28,557,785 km (0.09 R)
• M24: 29,901,323 km (0.03 R)
• M25: 31,800,468 km (0.04 R)
• M26: 35,558,367 km (0.086 R)
• M27: 41,579,531 km (0.113 R)
• M28: 46,725,997 km (0.106 R)
• M29: 51,207,800 km (0.052 R)
• M30: 59,824,488 km (0.113 R)
• M31: 61,616,221 km (0.09 R)
• M32: 62,019,088 km (0.09 R)
• M33: 76,093,406 km (0.111 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: 310 - 17,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit