🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.3

Radius: 10.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.76 AU - 1.84 AU

Year: 1610 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,770,206 km

• M1: 128,056 km (0.079 R)
• M2: 514,018 km (0.088 R)
• M3: 1,221,467 km (0.079 R)
• M4: 1,613,263 km (0.087 R)
• M5: 2,270,596 km (0.102 R)
• M6: 2,709,217 km (0.097 R)
• M7: 3,144,846 km (0.104 R)
• M8: 3,536,793 km (0.07 R)
• M9: 4,646,510 km (0.12 R)
• M10: 5,140,482 km (0.075 R)
• M11: 6,271,442 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 13.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.73 AU - 1.99 AU

Year: 1692 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,770,206 km

• M1: 166,652 km (0.108 R)
• M2: 742,753 km (0.069 R)
• M3: 1,377,946 km (0.106 R)
• M4: 2,413,014 km (0.056 R)
• M5: 3,877,876 km (0.077 R)
• M6: 4,446,498 km (0.079 R)
• M7: 5,871,118 km (0.117 R)
• M8: 6,754,793 km (0.037 R)
• M9: 7,524,025 km (0.046 R)
• M10: 9,468,648 km (0.071 R)
• M11: 10,326,442 km (0.103 R)
• M12: 12,759,202 km (0.119 R)
• M13: 14,818,716 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21

Radius: 10.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.7 AU - 2.04 AU

Year: 1705 Days

Day: 7.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,770,206 km

• M1: 148,251 km (0.049 R)
• M2: 599,738 km (0.1 R)
• M3: 967,449 km (0.102 R)
• M4: 1,382,733 km (0.112 R)
• M5: 1,774,380 km (0.12 R)
• M6: 2,306,051 km (0.109 R)
• M7: 2,767,561 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 11.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.97 AU - 3.41 AU

Year: 3799 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,770,206 km

• M1: 141,819 km (0.089 R)
• M2: 539,600 km (0.103 R)
• M3: 1,084,884 km (0.051 R)
• M4: 1,777,971 km (0.044 R)
• M5: 2,459,239 km (0.111 R)
• M6: 2,931,370 km (0.064 R)
• M7: 3,771,811 km (0.107 R)
• M8: 4,465,646 km (0.037 R)
• M9: 6,560,914 km (0.052 R)
• M10: 7,808,560 km (0.039 R)
• M11: 10,465,867 km (0.088 R)
• M12: 11,077,423 km (0.104 R)
• M13: 12,625,911 km (0.101 R)
• M14: 14,037,815 km (0.106 R)
• M15: 14,782,214 km (0.096 R)
• M16: 15,947,731 km (0.097 R)
• M17: 16,913,086 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 13.2

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.02 AU - 3.48 AU

Year: 3907 Days

Day: 6.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,770,206 km

• M1: 164,109 km (0.078 R)
• M2: 605,871 km (0.082 R)
• M3: 1,062,594 km (0.117 R)
• M4: 1,758,373 km (0.118 R)
• M5: 2,830,541 km (0.108 R)
• M6: 3,891,938 km (0.077 R)
• M7: 4,490,330 km (0.059 R)
• M8: 8,159,517 km (0.115 R)
• M9: 9,341,789 km (0.08 R)
• M10: 11,076,974 km (0.076 R)
• M11: 11,531,004 km (0.029 R)
• M12: 12,525,082 km (0.083 R)
• M13: 13,833,913 km (0.1 R)
• M14: 14,629,475 km (0.095 R)
• M15: 18,434,347 km (0.111 R)
• M16: 20,462,595 km (0.035 R)
• M17: 23,442,585 km (0.12 R)
• M18: 24,727,032 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.5

Radius: 12.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.26 AU - 4.8 AU

Year: 5395 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,770,206 km

• M1: 157,975 km (0.077 R)
• M2: 608,115 km (0.044 R)
• M3: 1,023,848 km (0.097 R)
• M4: 1,502,112 km (0.073 R)
• M5: 2,052,483 km (0.074 R)
• M6: 3,131,682 km (0.036 R)
• M7: 3,585,263 km (0.088 R)
• M8: 5,858,701 km (0.075 R)
• M9: 6,324,400 km (0.117 R)
• M10: 6,933,861 km (0.069 R)
• M11: 7,487,224 km (0.11 R)
• M12: 9,622,285 km (0.064 R)
• M13: 10,194,496 km (0.107 R)
• M14: 13,171,345 km (0.052 R)
• M15: 14,608,830 km (0.113 R)
• M16: 15,059,868 km (0.084 R)
• M17: 18,308,835 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.3

Radius: 11.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.27 AU - 6.97 AU

Year: 8885 Days

Day: 15 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,770,206 km

• M1: 154,235 km (0.034 R)
• M2: 563,086 km (0.036 R)
• M3: 1,211,144 km (0.118 R)
• M4: 2,177,547 km (0.098 R)
• M5: 5,088,123 km (0.113 R)
• M6: 7,067,303 km (0.085 R)
• M7: 7,870,194 km (0.082 R)
• M8: 8,250,921 km (0.09 R)
• M9: 9,049,325 km (0.108 R)
• M10: 9,849,973 km (0.074 R)
• M11: 10,903,441 km (0.107 R)
• M12: 13,591,715 km (0.053 R)
• M13: 14,327,437 km (0.099 R)
• M14: 15,283,966 km (0.091 R)
• M15: 16,487,630 km (0.06 R)
• M16: 17,753,378 km (0.108 R)
• M17: 19,772,051 km (0.049 R)
• M18: 21,526,386 km (0.057 R)
• M19: 28,189,475 km (0.029 R)
• M20: 33,839,188 km (0.105 R)
• M21: 36,810,800 km (0.1 R)
• M22: 40,325,752 km (0.083 R)
• M23: 41,971,627 km (0.101 R)
• M24: 44,590,637 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.9

Radius: 7.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.6 AU - 7.36 AU

Year: 9752 Days

Day: 19.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,770,206 km

• M1: 98,286 km (0.084 R)
• M2: 481,256 km (0.064 R)
• M3: 852,409 km (0.12 R)
• M4: 1,231,490 km (0.058 R)
• M5: 1,602,642 km (0.049 R)
• M6: 2,432,910 km (0.114 R)
• M7: 3,081,567 km (0.117 R)
• M8: 3,457,506 km (0.103 R)
• M9: 6,227,909 km (0.083 R)
• M10: 6,625,390 km (0.12 R)
• M11: 8,506,584 km (0.081 R)
• M12: 9,722,066 km (0.098 R)
• M13: 10,765,212 km (0.046 R)
• M14: 12,184,747 km (0.092 R)
• M15: 12,754,415 km (0.088 R)
• M16: 13,179,872 km (0.115 R)
• M17: 18,035,370 km (0.117 R)
• M18: 19,745,872 km (0.111 R)
• M19: 24,612,440 km (0.093 R)
• M20: 33,223,593 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.2

Radius: 4.1

Gravity: 31.84 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.85 AU - 9.01 AU

Year: 16322 Days

Day: 22.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,770,206 km

• M1: 51,910 km (0.064 R)
• M2: 201,508 km (0.042 R)
• M3: 438,172 km (0.106 R)
• M4: 785,389 km (0.025 R)
• M5: 1,041,201 km (0.115 R)
• M6: 1,701,975 km (0.102 R)
• M7: 4,421,515 km (0.112 R)
• M8: 4,981,011 km (0.119 R)
• M9: 6,563,158 km (0.104 R)
• M10: 8,550,266 km (0.085 R)
• M11: 9,787,291 km (0.104 R)
• M12: 12,293,205 km (0.049 R)
• M13: 18,857,410 km (0.07 R)
• M14: 29,181,458 km (0.087 R)
• M15: 36,165,285 km (0.086 R)
• M16: 37,472,172 km (0.118 R)
• M17: 43,597,008 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.7

Radius: 3.7

Gravity: 50.23 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.69 AU - 9.75 AU

Year: 18669 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,770,206 km

• M1: 50,714 km (0.102 R)
• M2: 272,268 km (0.072 R)
• M3: 506,538 km (0.111 R)
• M4: 841,638 km (0.097 R)
• M5: 1,128,716 km (0.071 R)
• M6: 1,251,835 km (0.091 R)
• M7: 1,659,639 km (0.063 R)
• M8: 1,801,458 km (0.068 R)
• M9: 2,029,295 km (0.034 R)
• M10: 2,319,066 km (0.067 R)
• M11: 3,354,882 km (0.105 R)
• M12: 3,729,774 km (0.033 R)
• M13: 4,261,146 km (0.115 R)
• M14: 6,987,118 km (0.111 R)
• M15: 9,979,524 km (0.047 R)
• M16: 10,569,389 km (0.073 R)
• M17: 10,996,042 km (0.102 R)
• M18: 13,656,341 km (0.084 R)
• M19: 13,799,506 km (0.05 R)
• M20: 16,797,747 km (0.108 R)
• M21: 17,971,940 km (0.083 R)
• M22: 19,742,581 km (0.119 R)
• M23: 25,637,335 km (0.111 R)
• M24: 26,074,759 km (0.025 R)
• M25: 33,897,980 km (0.06 R)
• M26: 42,384,817 km (0.118 R)
• M27: 45,500,492 km (0.062 R)
• M28: 49,268,413 km (0.111 R)
• M29: 49,774,652 km (0.105 R)
• M30: 50,114,090 km (0.057 R)
• M31: 50,797,603 km (0.105 R)
• M32: 51,141,678 km (0.109 R)
• M33: 53,771,907 km (0.111 R)
• M34: 58,353,791 km (0.09 R)
• M35: 61,223,976 km (0.114 R)
• M36: 63,786,438 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 12,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit