🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.51 AU - 0.55 AU

Year: 249 Days

Day: 16.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.53 AU - 0.57 AU

Year: 263 Days

Day: 13.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,663,836 km

• M1: 613,501 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 13.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.96 AU - 0.98 AU

Year: 617 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,663,836 km

• M1: 162,912 km (0.098 R)
• M2: 711,188 km (0.07 R)
• M3: 1,263,653 km (0.08 R)
• M4: 1,835,715 km (0.064 R)
• M5: 2,300,366 km (0.066 R)
• M6: 2,730,909 km (0.09 R)
• M7: 4,407,452 km (0.093 R)
• M8: 4,942,863 km (0.035 R)
• M9: 5,503,257 km (0.116 R)
• M10: 6,028,196 km (0.085 R)
• M11: 6,443,629 km (0.088 R)
• M12: 6,984,725 km (0.09 R)
• M13: 7,601,217 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.1

Radius: 12.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.17 AU - 1.69 AU

Year: 1104 Days

Day: 14.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,663,836 km

• M1: 156,629 km (0.093 R)
• M2: 645,515 km (0.054 R)
• M3: 1,214,136 km (0.069 R)
• M4: 1,613,114 km (0.067 R)
• M5: 2,031,240 km (0.119 R)
• M6: 2,604,649 km (0.026 R)
• M7: 3,449,428 km (0.041 R)
• M8: 3,967,336 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.4

Radius: 13.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.39 AU - 1.77 AU

Year: 1282 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,663,836 km

• M1: 169,195 km (0.083 R)
• M2: 606,171 km (0.09 R)
• M3: 1,076,955 km (0.041 R)
• M4: 1,545,496 km (0.103 R)
• M5: 2,017,327 km (0.087 R)
• M6: 2,890,231 km (0.073 R)
• M7: 4,035,253 km (0.079 R)
• M8: 4,610,756 km (0.104 R)
• M9: 5,220,816 km (0.076 R)
• M10: 5,777,171 km (0.029 R)
• M11: 6,464,423 km (0.052 R)
• M12: 7,280,480 km (0.1 R)
• M13: 7,896,972 km (0.09 R)
• M14: 9,442,169 km (0.119 R)
• M15: 10,333,922 km (0.113 R)
• M16: 11,113,925 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.7

Radius: 10.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.81 AU - 2.11 AU

Year: 1772 Days

Day: 14.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,663,836 km

• M1: 129,402 km (0.104 R)
• M2: 471,832 km (0.101 R)
• M3: 957,576 km (0.064 R)
• M4: 1,416,243 km (0.103 R)
• M5: 1,827,039 km (0.094 R)
• M6: 2,174,405 km (0.095 R)
• M7: 2,980,139 km (0.099 R)
• M8: 4,464,150 km (0.105 R)
• M9: 5,229,642 km (0.065 R)
• M10: 5,938,886 km (0.108 R)
• M11: 6,453,652 km (0.112 R)
• M12: 7,155,715 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.8

Radius: 5.1

Gravity: 25.71 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.17 AU - 8.39 AU

Year: 11399 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,663,836 km

• M1: 65,075 km (0.089 R)
• M2: 571,314 km (0.088 R)
• M3: 762,052 km (0.078 R)
• M4: 2,173,059 km (0.091 R)
• M5: 3,067,205 km (0.056 R)
• M6: 4,183,953 km (0.086 R)
• M7: 4,418,224 km (0.052 R)
• M8: 4,817,650 km (0.117 R)
• M9: 5,009,883 km (0.049 R)
• M10: 6,273,387 km (0.082 R)
• M11: 9,661,180 km (0.081 R)
• M12: 13,459,021 km (0.106 R)
• M13: 18,612,369 km (0.093 R)
• M14: 22,634,457 km (0.087 R)
• M15: 23,631,377 km (0.11 R)
• M16: 23,815,831 km (0.04 R)
• M17: 27,912,868 km (0.055 R)
• M18: 31,110,972 km (0.035 R)
• M19: 41,884,262 km (0.091 R)
• M20: 42,834,807 km (0.059 R)
• M21: 44,357,265 km (0.099 R)
• M22: 44,919,603 km (0.107 R)
• M23: 46,925,710 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.4

Radius: 5.2

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.96 AU - 9.22 AU

Year: 14857 Days

Day: 15.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,663,836 km

• M1: 287,078 km (0.104 R)
• M2: 1,647,222 km (0.094 R)
• M3: 2,055,624 km (0.075 R)
• M4: 2,247,558 km (0.088 R)
• M5: 3,894,033 km (0.109 R)
• M6: 7,191,768 km (0.108 R)
• M7: 8,358,931 km (0.107 R)
• M8: 11,929,682 km (0.073 R)
• M9: 14,485,562 km (0.083 R)
• M10: 14,998,234 km (0.079 R)
• M11: 15,924,394 km (0.071 R)
• M12: 16,748,230 km (0.103 R)
• M13: 18,931,162 km (0.113 R)
• M14: 32,404,844 km (0.049 R)
• M15: 35,424,327 km (0.09 R)
• M16: 42,795,014 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.3

Radius: 5.1

Gravity: 25.58 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.56 AU - 10.96 AU

Year: 18194 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,663,836 km

• M1: 64,477 km (0.106 R)
• M2: 229,782 km (0.089 R)
• M3: 795,711 km (0.112 R)
• M4: 1,028,336 km (0.114 R)
• M5: 1,393,803 km (0.059 R)
• M6: 2,534,936 km (0.119 R)
• M7: 3,585,861 km (0.104 R)
• M8: 4,065,621 km (0.116 R)
• M9: 4,353,747 km (0.063 R)
• M10: 4,655,187 km (0.111 R)
• M11: 11,695,262 km (0.104 R)
• M12: 12,277,796 km (0.086 R)
• M13: 12,744,243 km (0.101 R)
• M14: 15,027,405 km (0.039 R)
• M15: 15,254,495 km (0.107 R)
• M16: 15,483,828 km (0.097 R)
• M17: 16,185,891 km (0.117 R)
• M18: 16,827,516 km (0.101 R)
• M19: 17,485,897 km (0.102 R)
• M20: 20,108,347 km (0.087 R)
• M21: 22,386,274 km (0.114 R)
• M22: 23,282,964 km (0.117 R)
• M23: 23,791,447 km (0.113 R)
• M24: 24,100,067 km (0.091 R)
• M25: 24,620,369 km (0.12 R)
• M26: 25,254,514 km (0.098 R)
• M27: 29,407,800 km (0.027 R)
• M28: 30,725,009 km (0.038 R)
• M29: 31,213,596 km (0.117 R)
• M30: 33,220,002 km (0.048 R)
• M31: 34,254,771 km (0.098 R)
• M32: 37,349,053 km (0.083 R)
• M33: 38,326,526 km (0.092 R)
• M34: 39,035,021 km (0.08 R)
• M35: 39,752,343 km (0.098 R)
• M36: 41,807,369 km (0.107 R)
• M37: 52,976,795 km (0.07 R)
• M38: 53,855,682 km (0.106 R)
• M39: 67,611,954 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.7

Radius: 3.4

Gravity: 59.32 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 11.2 AU - 11.26 AU

Year: 24299 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,663,836 km

• M1: 43,832 km (0.106 R)
• M2: 241,451 km (0.101 R)
• M3: 498,610 km (0.087 R)
• M4: 833,111 km (0.105 R)
• M5: 1,002,904 km (0.054 R)
• M6: 1,152,203 km (0.048 R)
• M7: 1,943,725 km (0.065 R)
• M8: 4,050,063 km (0.11 R)
• M9: 4,185,599 km (0.085 R)
• M10: 5,300,103 km (0.109 R)
• M11: 5,421,427 km (0.09 R)
• M12: 5,796,618 km (0.12 R)
• M13: 6,414,158 km (0.119 R)
• M14: 7,778,790 km (0.096 R)
• M15: 8,978,266 km (0.112 R)
• M16: 9,742,113 km (0.086 R)
• M17: 12,792,862 km (0.098 R)
• M18: 13,306,731 km (0.075 R)
• M19: 16,253,509 km (0.064 R)
• M20: 16,855,940 km (0.073 R)
• M21: 29,880,978 km (0.079 R)
• M22: 31,176,346 km (0.056 R)
• M23: 32,779,437 km (0.05 R)
• M24: 37,321,527 km (0.059 R)
• M25: 40,363,301 km (0.114 R)
• M26: 40,519,481 km (0.12 R)
• M27: 40,990,864 km (0.108 R)
• M28: 42,912,448 km (0.1 R)
• M29: 48,505,015 km (0.11 R)
• M30: 56,105,036 km (0.119 R)
• M31: 58,071,949 km (0.097 R)
• M32: 58,670,939 km (0.065 R)
• M33: 61,107,738 km (0.115 R)
• M34: 64,035,069 km (0.112 R)
• M35: 65,317,722 km (0.099 R)
• M36: 69,716,946 km (0.083 R)
• M37: 72,679,882 km (0.092 R)
• M38: 76,679,530 km (0.04 R)
• M39: 78,368,191 km (0.066 R)
• M40: 85,114,008 km (0.09 R)
• M41: 86,145,186 km (0.033 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: 224 - 15,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit