🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 13.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.56 AU - 0.72 AU

Year: 353 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 133.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,191,491 km

• M1: 176,226 km (0.078 R)
• M2: 617,241 km (0.083 R)
• M3: 1,186,461 km (0.12 R)
• M4: 1,900,791 km (0.083 R)
• M5: 2,417,950 km (0.099 R)
• M6: 2,928,827 km (0.071 R)
• M7: 3,444,341 km (0.1 R)
• M8: 4,484,196 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.9

Radius: 10

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.92 AU - 1.32 AU

Year: 818 Days

Day: 11.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,191,491 km

• M1: 124,615 km (0.078 R)
• M2: 463,005 km (0.095 R)
• M3: 910,901 km (0.082 R)
• M4: 1,240,166 km (0.086 R)
• M5: 1,625,680 km (0.09 R)
• M6: 2,293,186 km (0.102 R)
• M7: 2,785,064 km (0.096 R)
• M8: 3,159,956 km (0.095 R)
• M9: 4,042,733 km (0.111 R)
• M10: 4,763,495 km (0.079 R)
• M11: 5,471,841 km (0.067 R)
• M12: 6,002,315 km (0.067 R)
• M13: 7,166,187 km (0.094 R)
• M14: 7,491,263 km (0.047 R)
• M15: 8,628,955 km (0.103 R)
• M16: 8,997,265 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 13.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.22 AU - 1.46 AU

Year: 1071 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,191,491 km

• M1: 183,257 km (0.114 R)
• M2: 665,112 km (0.088 R)
• M3: 1,357,750 km (0.045 R)
• M4: 2,843,108 km (0.113 R)
• M5: 3,363,259 km (0.054 R)
• M6: 3,802,179 km (0.1 R)
• M7: 4,614,496 km (0.09 R)
• M8: 5,141,529 km (0.044 R)
• M9: 6,297,173 km (0.113 R)
• M10: 7,805,718 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 8

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.26 AU - 1.56 AU

Year: 1156 Days

Day: 6.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,191,491 km

• M1: 102,624 km (0.083 R)
• M2: 391,647 km (0.052 R)
• M3: 659,427 km (0.103 R)
• M4: 1,102,985 km (0.07 R)
• M5: 1,418,337 km (0.113 R)
• M6: 1,725,013 km (0.115 R)
• M7: 2,153,910 km (0.11 R)
• M8: 2,524,165 km (0.05 R)
• M9: 3,166,239 km (0.12 R)
• M10: 3,613,836 km (0.029 R)
• M11: 4,068,164 km (0.064 R)
• M12: 4,751,827 km (0.106 R)
• M13: 5,070,321 km (0.108 R)
• M14: 5,403,026 km (0.099 R)
• M15: 5,661,980 km (0.117 R)
• M16: 5,974,640 km (0.118 R)
• M17: 6,537,577 km (0.107 R)
• M18: 8,268,424 km (0.037 R)
• M19: 10,121,343 km (0.062 R)
• M20: 10,482,772 km (0.096 R)
• M21: 11,406,389 km (0.083 R)
• M22: 12,088,256 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 11

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.55 AU - 5.91 AU

Year: 7101 Days

Day: 12 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,191,491 km

• M1: 137,032 km (0.115 R)
• M2: 725,550 km (0.073 R)
• M3: 1,100,292 km (0.05 R)
• M4: 1,580,651 km (0.114 R)
• M5: 2,993,453 km (0.059 R)
• M6: 3,868,302 km (0.055 R)
• M7: 4,420,467 km (0.089 R)
• M8: 6,050,785 km (0.075 R)
• M9: 7,642,656 km (0.034 R)
• M10: 8,557,297 km (0.11 R)
• M11: 11,162,694 km (0.084 R)
• M12: 13,245,545 km (0.037 R)
• M13: 14,014,179 km (0.103 R)
• M14: 16,098,825 km (0.045 R)
• M15: 17,810,075 km (0.061 R)
• M16: 20,952,977 km (0.09 R)
• M17: 22,572,224 km (0.118 R)
• M18: 24,186,385 km (0.111 R)
• M19: 26,149,857 km (0.084 R)
• M20: 32,995,606 km (0.046 R)
• M21: 36,426,483 km (0.119 R)
• M22: 40,455,154 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799

Radius: 12.8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.6 AU - 5.02 AU

Year: 7282 Days

Day: 9.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,191,491 km

• M1: 159,322 km (0.102 R)
• M2: 616,343 km (0.099 R)
• M3: 2,088,985 km (0.093 R)
• M4: 3,624,457 km (0.08 R)
• M5: 5,780,611 km (0.107 R)
• M6: 8,387,055 km (0.093 R)
• M7: 9,078,347 km (0.116 R)
• M8: 9,995,681 km (0.117 R)
• M9: 11,960,948 km (0.111 R)
• M10: 13,063,335 km (0.1 R)
• M11: 14,535,079 km (0.118 R)
• M12: 16,979,957 km (0.111 R)
• M13: 18,087,131 km (0.116 R)
• M14: 18,730,701 km (0.03 R)
• M15: 22,099,794 km (0.06 R)
• M16: 22,506,551 km (0.055 R)
• M17: 24,098,272 km (0.079 R)
• M18: 25,943,412 km (0.103 R)
• M19: 26,854,463 km (0.097 R)
• M20: 27,975,699 km (0.045 R)
• M21: 28,452,019 km (0.119 R)
• M22: 33,624,365 km (0.032 R)
• M23: 37,057,038 km (0.112 R)
• M24: 40,595,028 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.8

Radius: 3.7

Gravity: 58.79 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.81 AU - 8.27 AU

Year: 12893 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,191,491 km

• M1: 46,974 km (0.091 R)
• M2: 186,848 km (0.112 R)
• M3: 412,890 km (0.072 R)
• M4: 649,404 km (0.045 R)
• M5: 959,222 km (0.103 R)
• M6: 1,388,717 km (0.046 R)
• M7: 1,812,378 km (0.101 R)
• M8: 2,440,988 km (0.116 R)
• M9: 2,569,194 km (0.082 R)
• M10: 2,862,705 km (0.078 R)
• M11: 3,906,599 km (0.082 R)
• M12: 4,263,539 km (0.081 R)
• M13: 4,707,247 km (0.072 R)
• M14: 5,008,238 km (0.108 R)
• M15: 5,873,512 km (0.114 R)
• M16: 6,065,595 km (0.103 R)
• M17: 6,625,839 km (0.07 R)
• M18: 10,115,958 km (0.058 R)
• M19: 11,133,672 km (0.054 R)
• M20: 11,487,471 km (0.076 R)
• M21: 15,448,224 km (0.057 R)
• M22: 15,667,235 km (0.11 R)
• M23: 16,793,408 km (0.045 R)
• M24: 17,652,698 km (0.053 R)
• M25: 17,972,389 km (0.117 R)
• M26: 21,114,243 km (0.103 R)
• M27: 22,299,507 km (0.11 R)
• M28: 25,001,993 km (0.095 R)
• M29: 26,017,762 km (0.077 R)
• M30: 28,022,823 km (0.112 R)
• M31: 32,456,455 km (0.045 R)
• M32: 32,575,984 km (0.027 R)
• M33: 35,404,879 km (0.034 R)
• M34: 36,168,876 km (0.118 R)
• M35: 36,297,380 km (0.045 R)
• M36: 38,795,066 km (0.109 R)
• M37: 39,064,492 km (0.072 R)
• M38: 45,162,700 km (0.095 R)
• M39: 50,251,122 km (0.105 R)
• M40: 52,356,113 km (0.066 R)
• M41: 54,688,194 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.7

Radius: 6.3

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.47 AU - 7.95 AU

Year: 13363 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,191,491 km

• M1: 79,436 km (0.109 R)
• M2: 750,084 km (0.073 R)
• M3: 2,401,345 km (0.058 R)
• M4: 4,470,583 km (0.076 R)
• M5: 4,914,440 km (0.11 R)
• M6: 5,924,375 km (0.063 R)
• M7: 6,682,836 km (0.035 R)
• M8: 7,223,333 km (0.117 R)
• M9: 7,585,958 km (0.109 R)
• M10: 10,220,227 km (0.088 R)
• M11: 12,243,239 km (0.083 R)
• M12: 13,589,321 km (0.101 R)
• M13: 13,956,135 km (0.091 R)
• M14: 15,688,927 km (0.106 R)
• M15: 30,204,558 km (0.111 R)
• M16: 30,619,991 km (0.114 R)
• M17: 32,212,311 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676

Radius: 5.6

Gravity: 21.56 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.05 AU - 9.93 AU

Year: 18606 Days

Day: 18.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,191,491 km

• M1: 69,713 km (0.093 R)
• M2: 370,554 km (0.081 R)
• M3: 564,283 km (0.063 R)
• M4: 1,017,565 km (0.104 R)
• M5: 1,279,660 km (0.086 R)
• M6: 1,997,580 km (0.057 R)
• M7: 2,614,672 km (0.096 R)
• M8: 2,929,426 km (0.051 R)
• M9: 3,242,085 km (0.1 R)
• M10: 3,693,272 km (0.052 R)
• M11: 3,934,125 km (0.057 R)
• M12: 4,860,734 km (0.109 R)
• M13: 5,684,719 km (0.105 R)
• M14: 7,605,406 km (0.069 R)
• M15: 9,139,084 km (0.097 R)
• M16: 10,387,029 km (0.103 R)
• M17: 10,806,950 km (0.068 R)
• M18: 13,638,090 km (0.105 R)
• M19: 13,852,314 km (0.084 R)
• M20: 14,214,341 km (0.11 R)
• M21: 22,747,104 km (0.042 R)
• M22: 23,352,676 km (0.072 R)
• M23: 24,281,081 km (0.054 R)
• M24: 24,490,667 km (0.053 R)
• M25: 26,431,999 km (0.119 R)
• M26: 27,326,893 km (0.101 R)
• M27: 28,357,473 km (0.079 R)
• M28: 30,617,897 km (0.091 R)
• M29: 35,899,300 km (0.07 R)
• M30: 39,835,370 km (0.052 R)
• M31: 41,308,011 km (0.109 R)
• M32: 47,398,589 km (0.108 R)
• M33: 49,051,347 km (0.082 R)
• M34: 50,061,132 km (0.118 R)
• M35: 57,336,077 km (0.099 R)
• M36: 60,356,009 km (0.097 R)
• M37: 66,097,126 km (0.115 R)
• M38: 67,742,553 km (0.06 R)
• M39: 70,901,013 km (0.032 R)
• M40: 71,115,088 km (0.092 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: 347 - 16,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit