🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225

Radius: 9.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.06 AU - 1.12 AU

Year: 735 Days

Day: 13.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,944,159 km

• M1: 113,246 km (0.108 R)
• M2: 396,734 km (0.097 R)
• M3: 1,161,179 km (0.096 R)
• M4: 1,449,304 km (0.033 R)
• M5: 1,909,766 km (0.091 R)
• M6: 2,307,996 km (0.097 R)
• M7: 3,668,738 km (0.079 R)
• M8: 4,301,836 km (0.09 R)
• M9: 4,975,176 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.3

Radius: 11.8

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.14 AU - 1.44 AU

Year: 946 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,944,159 km

• M1: 147,204 km (0.105 R)
• M2: 795,412 km (0.063 R)
• M3: 1,273,227 km (0.118 R)
• M4: 1,740,870 km (0.037 R)
• M5: 2,607,341 km (0.089 R)
• M6: 3,327,805 km (0.112 R)
• M7: 3,791,259 km (0.103 R)
• M8: 4,760,952 km (0.082 R)
• M9: 5,164,866 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.6

Radius: 14.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.32 AU - 1.54 AU

Year: 1104 Days

Day: 11.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,944,159 km

• M1: 181,612 km (0.031 R)
• M2: 736,022 km (0.077 R)
• M3: 1,195,437 km (0.112 R)
• M4: 1,922,033 km (0.034 R)
• M5: 2,530,298 km (0.107 R)
• M6: 3,156,515 km (0.04 R)
• M7: 3,963,895 km (0.042 R)
• M8: 5,361,288 km (0.092 R)
• M9: 7,090,041 km (0.108 R)
• M10: 8,005,132 km (0.082 R)
• M11: 10,282,909 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 12.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.22 AU - 1.84 AU

Year: 1222 Days

Day: 14.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 116.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,944,159 km

• M1: 157,078 km (0.085 R)
• M2: 553,811 km (0.075 R)
• M3: 1,100,143 km (0.111 R)
• M4: 1,787,096 km (0.107 R)
• M5: 2,268,203 km (0.101 R)
• M6: 2,835,927 km (0.095 R)
• M7: 3,377,770 km (0.1 R)
• M8: 3,792,605 km (0.09 R)
• M9: 4,207,291 km (0.056 R)
• M10: 4,707,995 km (0.086 R)
• M11: 5,208,250 km (0.057 R)
• M12: 5,743,810 km (0.107 R)
• M13: 6,225,665 km (0.049 R)
• M14: 6,974,702 km (0.112 R)
• M15: 7,575,187 km (0.118 R)
• M16: 8,101,772 km (0.098 R)
• M17: 8,709,139 km (0.096 R)
• M18: 10,140,043 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 8.2

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.31 AU - 5.79 AU

Year: 8442 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,944,159 km

• M1: 102,175 km (0.109 R)
• M2: 381,175 km (0.028 R)
• M3: 809,773 km (0.058 R)
• M4: 1,357,601 km (0.057 R)
• M5: 1,663,379 km (0.096 R)
• M6: 2,209,411 km (0.063 R)
• M7: 3,097,723 km (0.079 R)
• M8: 3,441,499 km (0.118 R)
• M9: 4,278,499 km (0.086 R)
• M10: 4,836,948 km (0.104 R)
• M11: 5,161,575 km (0.047 R)
• M12: 5,705,214 km (0.073 R)
• M13: 6,839,615 km (0.067 R)
• M14: 7,214,357 km (0.094 R)
• M15: 7,531,206 km (0.095 R)
• M16: 8,155,178 km (0.051 R)
• M17: 10,907,630 km (0.067 R)
• M18: 11,754,204 km (0.102 R)
• M19: 12,492,469 km (0.111 R)
• M20: 13,209,043 km (0.078 R)
• M21: 13,952,844 km (0.098 R)
• M22: 14,893,216 km (0.062 R)
• M23: 16,654,581 km (0.091 R)
• M24: 21,010,423 km (0.114 R)
• M25: 23,143,838 km (0.043 R)
• M26: 24,067,455 km (0.072 R)
• M27: 24,617,526 km (0.087 R)
• M28: 26,985,810 km (0.095 R)
• M29: 27,922,443 km (0.115 R)
• M30: 29,860,782 km (0.102 R)
• M31: 30,313,465 km (0.077 R)

Asteroid Belt

Center: 6.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.3

Radius: 4.2

Gravity: 37.43 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.72 AU - 7 AU

Year: 11601 Days

Day: 20.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,944,159 km

• M1: 52,808 km (0.118 R)
• M2: 195,524 km (0.086 R)
• M3: 332,107 km (0.115 R)
• M4: 730,038 km (0.095 R)
• M5: 970,142 km (0.079 R)
• M6: 1,299,856 km (0.114 R)
• M7: 1,844,991 km (0.092 R)
• M8: 2,591,783 km (0.118 R)
• M9: 2,740,783 km (0.097 R)
• M10: 2,940,645 km (0.109 R)
• M11: 3,320,026 km (0.082 R)
• M12: 3,470,371 km (0.071 R)
• M13: 4,233,620 km (0.119 R)
• M14: 12,619,927 km (0.057 R)
• M15: 13,298,503 km (0.101 R)
• M16: 13,936,238 km (0.097 R)
• M17: 16,473,718 km (0.102 R)
• M18: 18,196,935 km (0.116 R)
• M19: 18,508,398 km (0.082 R)
• M20: 19,464,179 km (0.056 R)
• M21: 21,821,542 km (0.057 R)
• M22: 22,261,659 km (0.106 R)
• M23: 30,786,045 km (0.066 R)
• M24: 34,680,676 km (0.043 R)
• M25: 37,998,009 km (0.11 R)
• M26: 45,112,584 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.1

Radius: 5.4

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.26 AU - 9.78 AU

Year: 14665 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,944,159 km

• M1: 67,169 km (0.086 R)
• M2: 240,853 km (0.035 R)
• M3: 969,544 km (0.119 R)
• M4: 1,671,008 km (0.104 R)
• M5: 1,972,897 km (0.1 R)
• M6: 2,791,347 km (0.082 R)
• M7: 3,288,311 km (0.093 R)
• M8: 3,763,134 km (0.062 R)
• M9: 4,254,264 km (0.075 R)
• M10: 4,515,163 km (0.084 R)
• M11: 5,599,000 km (0.108 R)
• M12: 6,461,431 km (0.115 R)
• M13: 6,767,658 km (0.034 R)
• M14: 7,450,722 km (0.087 R)
• M15: 8,178,516 km (0.103 R)
• M16: 9,774,725 km (0.093 R)
• M17: 10,540,666 km (0.074 R)
• M18: 11,905,148 km (0.08 R)
• M19: 12,191,628 km (0.089 R)
• M20: 12,541,238 km (0.087 R)
• M21: 12,897,730 km (0.096 R)
• M22: 15,448,523 km (0.051 R)
• M23: 15,996,052 km (0.092 R)
• M24: 16,770,071 km (0.063 R)
• M25: 18,090,123 km (0.102 R)
• M26: 21,101,378 km (0.097 R)
• M27: 22,550,533 km (0.025 R)
• M28: 24,247,272 km (0.043 R)
• M29: 24,615,133 km (0.05 R)
• M30: 25,361,776 km (0.083 R)
• M31: 28,806,566 km (0.108 R)
• M32: 30,908,566 km (0.119 R)
• M33: 40,212,656 km (0.041 R)
• M34: 41,771,465 km (0.045 R)
• M35: 42,832,862 km (0.076 R)
• M36: 44,733,354 km (0.07 R)
• M37: 45,009,212 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.3

Radius: 4.4

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.95 AU - 9.97 AU

Year: 15888 Days

Day: 22.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,944,159 km

• M1: 54,753 km (0.101 R)
• M2: 343,776 km (0.119 R)
• M3: 510,428 km (0.047 R)
• M4: 793,617 km (0.034 R)
• M5: 1,236,426 km (0.112 R)
• M6: 2,177,098 km (0.085 R)
• M7: 3,123,604 km (0.09 R)
• M8: 3,441,798 km (0.063 R)
• M9: 3,917,370 km (0.059 R)
• M10: 7,052,343 km (0.089 R)
• M11: 8,401,865 km (0.094 R)
• M12: 10,439,089 km (0.085 R)
• M13: 11,715,009 km (0.066 R)
• M14: 19,840,717 km (0.042 R)
• M15: 22,941,432 km (0.062 R)
• M16: 26,053,965 km (0.116 R)
• M17: 28,906,348 km (0.063 R)
• M18: 35,827,044 km (0.062 R)
• M19: 39,213,940 km (0.065 R)
• M20: 40,388,583 km (0.077 R)
• M21: 48,975,052 km (0.073 R)
• M22: 52,034,927 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.6

Radius: 7.9

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.45 AU - 8.63 AU

Year: 16114 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 125.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,944,159 km

• M1: 98,286 km (0.114 R)
• M2: 381,026 km (0.109 R)
• M3: 734,526 km (0.097 R)
• M4: 2,009,847 km (0.073 R)
• M5: 3,771,063 km (0.095 R)
• M6: 5,255,523 km (0.117 R)
• M7: 6,609,084 km (0.063 R)
• M8: 7,733,761 km (0.116 R)
• M9: 9,883,483 km (0.084 R)
• M10: 14,637,404 km (0.106 R)
• M11: 15,601,712 km (0.095 R)
• M12: 17,886,969 km (0.03 R)
• M13: 26,464,911 km (0.093 R)
• M14: 36,431,869 km (0.117 R)
• M15: 38,712,638 km (0.08 R)
• M16: 52,027,746 km (0.107 R)
• M17: 53,458,350 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.9

Radius: 3.5

Gravity: 56.81 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.77 AU - 11.01 AU

Year: 17115 Days

Day: 25 Hours

Environment

Temp: -224 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,944,159 km

• M1: 143,016 km (0.058 R)
• M2: 280,795 km (0.12 R)
• M3: 412,741 km (0.048 R)
• M4: 603,029 km (0.11 R)
• M5: 807,679 km (0.097 R)
• M6: 1,476,381 km (0.117 R)
• M7: 1,588,729 km (0.11 R)
• M8: 1,848,581 km (0.03 R)
• M9: 2,037,074 km (0.107 R)
• M10: 2,365,292 km (0.053 R)
• M11: 2,848,343 km (0.032 R)
• M12: 3,477,253 km (0.093 R)
• M13: 3,676,966 km (0.064 R)
• M14: 8,812,063 km (0.081 R)
• M15: 9,454,735 km (0.102 R)
• M16: 9,843,689 km (0.028 R)
• M17: 10,953,257 km (0.117 R)
• M18: 11,632,431 km (0.104 R)
• M19: 13,142,173 km (0.111 R)
• M20: 18,360,595 km (0.09 R)
• M21: 20,489,224 km (0.117 R)
• M22: 25,017,701 km (0.099 R)
• M23: 29,461,206 km (0.063 R)
• M24: 31,621,699 km (0.099 R)
• M25: 35,585,893 km (0.101 R)
• M26: 41,027,216 km (0.09 R)
• M27: 49,605,308 km (0.112 R)
• M28: 55,464,159 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 16,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit