🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.3

Radius: 13.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.47 AU - 0.63 AU

Year: 277 Days

Day: 11.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,650,614 km

• M1: 167,849 km (0.075 R)
• M2: 591,360 km (0.101 R)
• M3: 1,156,691 km (0.097 R)
• M4: 1,903,783 km (0.086 R)
• M5: 2,995,099 km (0.085 R)
• M6: 3,927,393 km (0.089 R)
• M7: 4,377,084 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.6

Radius: 14.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.69 AU - 1.03 AU

Year: 541 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,650,614 km

• M1: 180,714 km (0.107 R)
• M2: 875,148 km (0.104 R)
• M3: 1,317,808 km (0.076 R)
• M4: 1,888,075 km (0.086 R)
• M5: 2,473,451 km (0.096 R)
• M6: 3,007,964 km (0.069 R)
• M7: 3,630,740 km (0.092 R)
• M8: 4,101,226 km (0.092 R)
• M9: 4,612,402 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 8.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.78 AU - 2 AU

Year: 1762 Days

Day: 14.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,650,614 km

• M1: 102,026 km (0.046 R)
• M2: 612,154 km (0.084 R)
• M3: 1,558,511 km (0.114 R)
• M4: 2,139,250 km (0.065 R)
• M5: 3,383,455 km (0.093 R)
• M6: 3,987,681 km (0.055 R)
• M7: 4,728,190 km (0.076 R)
• M8: 5,538,712 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 8.9

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.8 AU - 2 AU

Year: 1776 Days

Day: 5.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,650,614 km

• M1: 110,702 km (0.062 R)
• M2: 410,497 km (0.061 R)
• M3: 762,650 km (0.106 R)
• M4: 1,326,784 km (0.064 R)
• M5: 1,742,516 km (0.058 R)
• M6: 2,136,258 km (0.113 R)
• M7: 2,781,174 km (0.07 R)
• M8: 3,073,339 km (0.074 R)
• M9: 3,353,835 km (0.078 R)
• M10: 3,668,589 km (0.064 R)
• M11: 5,550,081 km (0.115 R)
• M12: 6,112,270 km (0.062 R)
• M13: 6,660,546 km (0.104 R)
• M14: 7,026,313 km (0.084 R)
• M15: 7,712,817 km (0.057 R)
• M16: 9,412,249 km (0.11 R)
• M17: 10,418,893 km (0.039 R)
• M18: 12,214,816 km (0.114 R)
• M19: 13,084,727 km (0.03 R)
• M20: 13,452,289 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 9.1

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.4 AU - 2.96 AU

Year: 2976 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,650,614 km

• M1: 114,143 km (0.089 R)
• M2: 458,218 km (0.106 R)
• M3: 749,485 km (0.09 R)
• M4: 1,109,119 km (0.088 R)
• M5: 1,453,493 km (0.03 R)
• M6: 1,998,328 km (0.035 R)
• M7: 2,363,048 km (0.112 R)
• M8: 2,706,225 km (0.084 R)
• M9: 3,416,516 km (0.088 R)
• M10: 4,245,737 km (0.088 R)
• M11: 4,853,105 km (0.083 R)
• M12: 5,543,798 km (0.056 R)
• M13: 6,039,715 km (0.086 R)
• M14: 6,838,867 km (0.088 R)
• M15: 9,895,750 km (0.069 R)
• M16: 11,744,031 km (0.105 R)
• M17: 12,148,544 km (0.07 R)
• M18: 13,225,050 km (0.04 R)
• M19: 13,516,168 km (0.108 R)
• M20: 15,299,823 km (0.099 R)
• M21: 17,177,725 km (0.071 R)
• M22: 19,266,261 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.4

Radius: 10.1

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.41 AU - 3.95 AU

Year: 3846 Days

Day: 9.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,650,614 km

• M1: 125,662 km (0.106 R)
• M2: 492,476 km (0.066 R)
• M3: 1,022,801 km (0.097 R)
• M4: 1,453,942 km (0.099 R)
• M5: 2,827,400 km (0.108 R)
• M6: 3,153,523 km (0.092 R)
• M7: 3,732,317 km (0.117 R)
• M8: 4,946,603 km (0.12 R)
• M9: 5,560,852 km (0.11 R)
• M10: 6,845,000 km (0.072 R)
• M11: 7,302,919 km (0.042 R)
• M12: 7,746,477 km (0.063 R)
• M13: 8,135,581 km (0.061 R)
• M14: 11,014,891 km (0.069 R)
• M15: 12,489,477 km (0.112 R)
• M16: 13,324,383 km (0.119 R)
• M17: 14,619,302 km (0.055 R)
• M18: 21,532,070 km (0.107 R)
• M19: 26,278,811 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.2

Radius: 12.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.93 AU - 3.99 AU

Year: 4365 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,650,614 km

• M1: 157,527 km (0.096 R)
• M2: 616,194 km (0.062 R)
• M3: 1,015,770 km (0.068 R)
• M4: 1,423,573 km (0.109 R)
• M5: 1,858,305 km (0.054 R)
• M6: 2,513,992 km (0.084 R)
• M7: 3,005,122 km (0.11 R)
• M8: 3,694,768 km (0.074 R)
• M9: 4,333,551 km (0.11 R)
• M10: 5,518,366 km (0.109 R)
• M11: 6,214,595 km (0.057 R)
• M12: 6,730,259 km (0.089 R)
• M13: 7,430,825 km (0.062 R)
• M14: 10,449,112 km (0.063 R)
• M15: 11,473,558 km (0.084 R)
• M16: 12,032,157 km (0.102 R)
• M17: 12,972,828 km (0.034 R)
• M18: 13,769,736 km (0.074 R)
• M19: 14,598,957 km (0.096 R)
• M20: 15,358,017 km (0.088 R)
• M21: 16,143,256 km (0.117 R)
• M22: 16,681,509 km (0.088 R)
• M23: 18,895,857 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.1

Radius: 8.1

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.76 AU - 3.9 AU

Year: 5084 Days

Day: 7.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,650,614 km

• M1: 100,679 km (0.083 R)
• M2: 752,627 km (0.117 R)
• M3: 1,276,369 km (0.09 R)
• M4: 1,645,876 km (0.079 R)
• M5: 2,039,767 km (0.047 R)
• M6: 2,584,004 km (0.108 R)
• M7: 2,842,509 km (0.117 R)
• M8: 3,284,122 km (0.118 R)
• M9: 4,129,649 km (0.101 R)
• M10: 4,511,124 km (0.085 R)
• M11: 4,943,761 km (0.119 R)
• M12: 6,050,635 km (0.03 R)
• M13: 6,376,310 km (0.058 R)
• M14: 6,886,588 km (0.031 R)
• M15: 7,350,791 km (0.117 R)
• M16: 7,646,695 km (0.048 R)
• M17: 8,622,971 km (0.07 R)
• M18: 10,586,144 km (0.031 R)
• M19: 10,868,585 km (0.117 R)
• M20: 11,498,092 km (0.073 R)
• M21: 12,670,940 km (0.118 R)
• M22: 13,096,994 km (0.055 R)
• M23: 15,015,288 km (0.066 R)
• M24: 15,432,367 km (0.119 R)
• M25: 20,836,291 km (0.102 R)
• M26: 21,131,746 km (0.115 R)
• M27: 26,593,714 km (0.057 R)
• M28: 31,841,458 km (0.04 R)
• M29: 32,135,418 km (0.09 R)
• M30: 32,431,173 km (0.085 R)

Asteroid Belt

Center: 5.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.9

Radius: 6.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.3 AU - 7.66 AU

Year: 11188 Days

Day: 21.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,650,614 km

• M1: 75,846 km (0.105 R)
• M2: 322,683 km (0.114 R)
• M3: 957,426 km (0.119 R)
• M4: 1,470,248 km (0.094 R)
• M5: 2,755,742 km (0.096 R)
• M6: 3,866,955 km (0.046 R)
• M7: 4,632,448 km (0.093 R)
• M8: 6,066,493 km (0.102 R)
• M9: 6,336,517 km (0.072 R)
• M10: 8,605,468 km (0.065 R)
• M11: 8,946,551 km (0.072 R)
• M12: 9,737,026 km (0.112 R)
• M13: 11,961,995 km (0.065 R)
• M14: 13,671,600 km (0.101 R)
• M15: 14,084,041 km (0.054 R)
• M16: 14,504,710 km (0.115 R)
• M17: 17,207,196 km (0.092 R)
• M18: 20,161,455 km (0.082 R)
• M19: 23,290,892 km (0.117 R)
• M20: 23,805,210 km (0.086 R)
• M21: 26,016,566 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.3

Radius: 5.3

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.04 AU - 11.18 AU

Year: 20206 Days

Day: 23 Hours

Environment

Temp: -244 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,650,614 km

• M1: 66,571 km (0.073 R)
• M2: 283,338 km (0.102 R)
• M3: 460,761 km (0.118 R)
• M4: 734,376 km (0.102 R)
• M5: 937,979 km (0.025 R)
• M6: 1,322,296 km (0.047 R)
• M7: 1,526,197 km (0.047 R)
• M8: 1,843,046 km (0.089 R)
• M9: 2,729,264 km (0.1 R)
• M10: 5,374,154 km (0.064 R)
• M11: 6,191,557 km (0.098 R)
• M12: 7,816,489 km (0.116 R)
• M13: 13,115,395 km (0.075 R)
• M14: 14,434,100 km (0.074 R)
• M15: 15,047,601 km (0.116 R)
• M16: 21,176,476 km (0.105 R)
• M17: 22,371,165 km (0.062 R)
• M18: 25,222,201 km (0.116 R)
• M19: 27,021,115 km (0.079 R)
• M20: 30,872,064 km (0.08 R)
• M21: 32,146,638 km (0.092 R)
• M22: 33,588,761 km (0.061 R)
• M23: 34,258,361 km (0.118 R)
• M24: 42,375,841 km (0.08 R)
• M25: 61,073,181 km (0.093 R)
• M26: 63,687,404 km (0.106 R)
• M27: 65,332,681 km (0.094 R)
• M28: 66,795,449 km (0.103 R)
• M29: 67,640,976 km (0.086 R)
• M30: 76,492,682 km (0.116 R)
• M31: 77,186,069 km (0.036 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: 343 - 11,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit