🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.5

Radius: 8.9

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.9 AU - 0.98 AU

Year: 641 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,545,186 km

• M1: 110,702 km (0.112 R)
• M2: 392,545 km (0.094 R)
• M3: 858,243 km (0.084 R)
• M4: 1,420,432 km (0.06 R)
• M5: 1,813,276 km (0.057 R)
• M6: 2,201,482 km (0.05 R)
• M7: 2,655,362 km (0.115 R)
• M8: 3,122,108 km (0.093 R)
• M9: 3,445,837 km (0.08 R)
• M10: 3,847,208 km (0.114 R)
• M11: 4,728,041 km (0.116 R)
• M12: 5,022,001 km (0.04 R)
• M13: 6,420,441 km (0.115 R)
• M14: 7,009,109 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 14.1

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.93 AU - 1.53 AU

Year: 959 Days

Day: 8.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,545,186 km

• M1: 180,864 km (0.086 R)
• M2: 692,040 km (0.07 R)
• M3: 1,312,721 km (0.083 R)
• M4: 2,154,060 km (0.049 R)
• M5: 2,813,936 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 9.4

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.94 AU - 2.02 AU

Year: 1958 Days

Day: 6.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,545,186 km

• M1: 116,836 km (0.083 R)
• M2: 573,259 km (0.088 R)
• M3: 955,332 km (0.044 R)
• M4: 1,266,944 km (0.059 R)
• M5: 1,628,223 km (0.106 R)
• M6: 2,767,561 km (0.075 R)
• M7: 3,163,845 km (0.109 R)
• M8: 3,465,135 km (0.111 R)
• M9: 4,294,356 km (0.116 R)
• M10: 5,120,885 km (0.058 R)
• M11: 6,122,143 km (0.101 R)
• M12: 6,643,641 km (0.084 R)
• M13: 7,889,792 km (0.116 R)
• M14: 8,327,964 km (0.076 R)
• M15: 9,221,362 km (0.027 R)
• M16: 10,696,846 km (0.115 R)
• M17: 13,482,508 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 13.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.67 AU - 3.81 AU

Year: 4099 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,545,186 km

• M1: 174,581 km (0.045 R)
• M2: 641,176 km (0.098 R)
• M3: 1,168,509 km (0.11 R)
• M4: 1,882,988 km (0.066 R)
• M5: 3,562,374 km (0.074 R)
• M6: 4,820,941 km (0.069 R)
• M7: 5,822,499 km (0.082 R)
• M8: 8,127,503 km (0.057 R)
• M9: 9,625,725 km (0.092 R)
• M10: 11,165,835 km (0.059 R)
• M11: 12,376,232 km (0.108 R)
• M12: 14,406,873 km (0.035 R)
• M13: 15,057,175 km (0.096 R)
• M14: 17,006,884 km (0.071 R)
• M15: 23,935,959 km (0.076 R)
• M16: 27,977,195 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.4

Radius: 10.8

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.9 AU - 4.62 AU

Year: 5125 Days

Day: 10.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,545,186 km

• M1: 142,716 km (0.092 R)
• M2: 541,544 km (0.105 R)
• M3: 900,878 km (0.073 R)
• M4: 1,788,592 km (0.072 R)
• M5: 2,165,728 km (0.115 R)
• M6: 3,266,021 km (0.096 R)
• M7: 4,785,935 km (0.114 R)
• M8: 5,917,643 km (0.107 R)
• M9: 6,364,791 km (0.064 R)
• M10: 8,462,752 km (0.107 R)
• M11: 14,140,440 km (0.075 R)
• M12: 16,572,153 km (0.113 R)
• M13: 18,722,174 km (0.112 R)
• M14: 19,970,269 km (0.088 R)
• M15: 22,940,983 km (0.066 R)
• M16: 25,520,499 km (0.104 R)
• M17: 29,651,196 km (0.097 R)
• M18: 32,705,535 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.9

Radius: 5.1

Gravity: 31.18 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.53 AU - 7.45 AU

Year: 10305 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,545,186 km

• M1: 64,028 km (0.083 R)
• M2: 227,538 km (0.092 R)
• M3: 725,400 km (0.057 R)
• M4: 1,444,517 km (0.077 R)
• M5: 1,988,604 km (0.079 R)
• M6: 2,638,308 km (0.032 R)
• M7: 2,966,227 km (0.072 R)
• M8: 3,420,107 km (0.118 R)
• M9: 4,029,718 km (0.059 R)
• M10: 4,525,036 km (0.105 R)
• M11: 5,027,236 km (0.095 R)
• M12: 5,325,684 km (0.093 R)
• M13: 6,717,692 km (0.093 R)
• M14: 7,843,117 km (0.102 R)
• M15: 8,519,898 km (0.037 R)
• M16: 14,985,518 km (0.113 R)
• M17: 15,395,566 km (0.041 R)
• M18: 21,427,950 km (0.085 R)
• M19: 22,566,091 km (0.099 R)
• M20: 28,136,816 km (0.048 R)
• M21: 35,273,981 km (0.113 R)
• M22: 47,074,112 km (0.082 R)
• M23: 47,952,849 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.2

Radius: 5.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.36 AU - 6.8 AU

Year: 11864 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,545,186 km

• M1: 113,246 km (0.058 R)
• M2: 822,489 km (0.087 R)
• M3: 990,338 km (0.087 R)
• M4: 1,161,927 km (0.092 R)
• M5: 1,429,557 km (0.096 R)
• M6: 2,073,875 km (0.111 R)
• M7: 2,718,642 km (0.059 R)
• M8: 3,347,552 km (0.083 R)
• M9: 4,914,140 km (0.106 R)
• M10: 7,895,177 km (0.111 R)
• M11: 9,278,658 km (0.108 R)
• M12: 9,678,683 km (0.115 R)
• M13: 11,394,571 km (0.113 R)
• M14: 13,555,961 km (0.119 R)
• M15: 14,598,658 km (0.101 R)
• M16: 17,078,991 km (0.054 R)
• M17: 18,859,056 km (0.105 R)
• M18: 24,706,238 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.6

Radius: 4

Gravity: 43.85 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.35 AU - 10.17 AU

Year: 16687 Days

Day: 24.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 61,545,186 km

• M1: 49,816 km (0.105 R)
• M2: 279,000 km (0.066 R)
• M3: 569,070 km (0.115 R)
• M4: 706,102 km (0.079 R)
• M5: 876,195 km (0.065 R)
• M6: 1,401,582 km (0.099 R)
• M7: 2,254,739 km (0.103 R)
• M8: 3,806,518 km (0.111 R)
• M9: 4,110,052 km (0.081 R)
• M10: 4,429,743 km (0.08 R)
• M11: 4,765,590 km (0.114 R)
• M12: 5,118,192 km (0.045 R)
• M13: 5,488,147 km (0.12 R)
• M14: 5,757,424 km (0.111 R)
• M15: 8,041,185 km (0.084 R)
• M16: 9,060,096 km (0.118 R)
• M17: 9,991,492 km (0.101 R)
• M18: 11,474,605 km (0.076 R)
• M19: 12,106,806 km (0.088 R)
• M20: 13,302,841 km (0.087 R)
• M21: 14,430,211 km (0.04 R)
• M22: 15,166,232 km (0.117 R)
• M23: 22,170,404 km (0.108 R)
• M24: 22,461,073 km (0.109 R)
• M25: 22,951,156 km (0.083 R)
• M26: 23,750,008 km (0.106 R)
• M27: 24,774,305 km (0.117 R)
• M28: 25,508,681 km (0.104 R)
• M29: 29,282,886 km (0.11 R)
• M30: 29,867,514 km (0.105 R)
• M31: 30,698,979 km (0.113 R)
• M32: 34,308,626 km (0.12 R)
• M33: 36,956,359 km (0.106 R)
• M34: 42,356,244 km (0.053 R)
• M35: 42,654,242 km (0.028 R)
• M36: 43,708,010 km (0.057 R)
• M37: 44,012,292 km (0.041 R)
• M38: 45,554,646 km (0.115 R)
• M39: 59,771,231 km (0.115 R)
• M40: 61,279,925 km (0.056 R)
• M41: 67,163,610 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.5

Radius: 5.1

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.08 AU - 11.56 AU

Year: 20000 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,545,186 km

• M1: 63,579 km (0.087 R)
• M2: 339,587 km (0.088 R)
• M3: 709,244 km (0.105 R)
• M4: 1,059,003 km (0.107 R)
• M5: 1,456,934 km (0.085 R)
• M6: 1,657,844 km (0.114 R)
• M7: 1,859,801 km (0.088 R)
• M8: 2,501,276 km (0.08 R)
• M9: 2,767,860 km (0.119 R)
• M10: 3,177,608 km (0.107 R)
• M11: 4,239,155 km (0.068 R)
• M12: 5,554,719 km (0.05 R)
• M13: 5,931,556 km (0.116 R)
• M14: 6,205,320 km (0.082 R)
• M15: 7,252,505 km (0.094 R)
• M16: 7,794,797 km (0.112 R)
• M17: 10,460,781 km (0.1 R)
• M18: 12,183,849 km (0.106 R)
• M19: 13,211,138 km (0.057 R)
• M20: 17,025,883 km (0.1 R)
• M21: 18,637,800 km (0.082 R)
• M22: 19,310,093 km (0.077 R)
• M23: 19,480,635 km (0.071 R)
• M24: 21,975,628 km (0.097 R)
• M25: 23,882,702 km (0.104 R)
• M26: 24,079,273 km (0.09 R)
• M27: 29,464,797 km (0.06 R)
• M28: 33,468,784 km (0.097 R)
• M29: 34,964,314 km (0.1 R)
• M30: 35,472,647 km (0.113 R)
• M31: 36,114,871 km (0.113 R)
• M32: 37,820,885 km (0.103 R)
• M33: 40,132,022 km (0.115 R)
• M34: 42,679,824 km (0.069 R)
• M35: 55,141,326 km (0.076 R)
• M36: 58,819,788 km (0.073 R)
• M37: 60,627,529 km (0.094 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 14,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit