🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680

Radius: 9

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.86 AU - 0.96 AU

Year: 589 Days

Day: 14.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,757,290 km

• M1: 112,198 km (0.073 R)
• M2: 414,835 km (0.11 R)
• M3: 743,950 km (0.104 R)
• M4: 1,154,746 km (0.118 R)
• M5: 1,473,539 km (0.085 R)
• M6: 1,843,046 km (0.044 R)
• M7: 3,117,769 km (0.106 R)
• M8: 3,624,756 km (0.115 R)
• M9: 4,011,617 km (0.101 R)
• M10: 5,067,329 km (0.027 R)
• M11: 6,278,623 km (0.09 R)
• M12: 6,574,378 km (0.11 R)
• M13: 6,920,846 km (0.048 R)
• M14: 7,215,404 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186

Radius: 8.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.93 AU - 2.09 AU

Year: 1933 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,757,290 km

• M1: 102,026 km (0.027 R)
• M2: 357,838 km (0.081 R)
• M3: 774,468 km (0.069 R)
• M4: 1,310,777 km (0.114 R)
• M5: 1,719,777 km (0.081 R)
• M6: 2,491,852 km (0.107 R)
• M7: 3,137,067 km (0.097 R)
• M8: 3,717,357 km (0.09 R)
• M9: 4,098,832 km (0.095 R)
• M10: 4,506,037 km (0.079 R)
• M11: 4,792,368 km (0.106 R)
• M12: 5,071,966 km (0.027 R)
• M13: 6,083,397 km (0.051 R)
• M14: 6,478,635 km (0.107 R)
• M15: 6,797,727 km (0.119 R)
• M16: 7,055,784 km (0.079 R)
• M17: 7,591,793 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 13.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.98 AU - 3.02 AU

Year: 2681 Days

Day: 6.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,757,290 km

• M1: 169,943 km (0.104 R)
• M2: 706,401 km (0.04 R)
• M3: 1,351,766 km (0.11 R)
• M4: 1,830,480 km (0.106 R)
• M5: 2,292,737 km (0.098 R)
• M6: 2,971,163 km (0.111 R)
• M7: 3,681,903 km (0.051 R)
• M8: 4,337,291 km (0.106 R)
• M9: 4,888,858 km (0.119 R)
• M10: 5,317,307 km (0.043 R)
• M11: 6,392,167 km (0.09 R)
• M12: 6,906,036 km (0.103 R)
• M13: 7,851,195 km (0.042 R)
• M14: 8,910,797 km (0.101 R)
• M15: 10,325,245 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.8

Radius: 14.1

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.18 AU - 3.22 AU

Year: 3009 Days

Day: 6.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,757,290 km

• M1: 176,077 km (0.09 R)
• M2: 852,708 km (0.11 R)
• M3: 1,670,111 km (0.093 R)
• M4: 2,899,805 km (0.116 R)
• M5: 5,616,502 km (0.114 R)
• M6: 6,207,863 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.8

Radius: 11.2

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.37 AU - 6.09 AU

Year: 8112 Days

Day: 11.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,757,290 km

• M1: 169,046 km (0.11 R)
• M2: 601,533 km (0.09 R)
• M3: 1,158,785 km (0.105 R)
• M4: 2,060,262 km (0.118 R)
• M5: 2,765,915 km (0.088 R)
• M6: 6,709,764 km (0.071 R)
• M7: 7,213,161 km (0.115 R)
• M8: 8,961,212 km (0.035 R)
• M9: 11,932,973 km (0.107 R)
• M10: 13,726,353 km (0.104 R)
• M11: 15,755,349 km (0.105 R)
• M12: 19,020,472 km (0.12 R)
• M13: 22,711,650 km (0.032 R)
• M14: 27,123,889 km (0.081 R)
• M15: 28,217,749 km (0.104 R)
• M16: 36,164,836 km (0.09 R)
• M17: 36,933,620 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.7

Radius: 3.8

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.58 AU - 11.34 AU

Year: 19735 Days

Day: 23.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,757,290 km

• M1: 49,068 km (0.097 R)
• M2: 271,670 km (0.096 R)
• M3: 412,890 km (0.079 R)
• M4: 715,826 km (0.11 R)
• M5: 941,120 km (0.096 R)
• M6: 1,187,807 km (0.107 R)
• M7: 1,652,159 km (0.107 R)
• M8: 1,942,229 km (0.054 R)
• M9: 2,707,871 km (0.104 R)
• M10: 3,041,026 km (0.107 R)
• M11: 3,578,231 km (0.031 R)
• M12: 3,979,154 km (0.097 R)
• M13: 5,429,356 km (0.097 R)
• M14: 5,849,576 km (0.102 R)
• M15: 7,157,361 km (0.055 R)
• M16: 7,791,805 km (0.067 R)
• M17: 11,648,289 km (0.104 R)
• M18: 12,583,724 km (0.061 R)
• M19: 12,704,150 km (0.108 R)
• M20: 14,404,929 km (0.082 R)
• M21: 15,139,454 km (0.089 R)
• M22: 16,755,111 km (0.094 R)
• M23: 17,868,568 km (0.11 R)
• M24: 18,637,800 km (0.114 R)
• M25: 19,268,804 km (0.063 R)
• M26: 23,085,943 km (0.1 R)
• M27: 25,602,180 km (0.095 R)
• M28: 26,776,972 km (0.096 R)
• M29: 34,119,235 km (0.118 R)
• M30: 39,008,842 km (0.035 R)
• M31: 40,693,164 km (0.096 R)
• M32: 46,609,161 km (0.044 R)
• M33: 48,949,022 km (0.07 R)
• M34: 49,546,067 km (0.092 R)
• M35: 50,754,518 km (0.065 R)
• M36: 50,906,959 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.1

Radius: 5.4

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.8 AU - 12.38 AU

Year: 21738 Days

Day: 15.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 169.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,757,290 km

• M1: 67,169 km (0.09 R)
• M2: 553,662 km (0.09 R)
• M3: 755,619 km (0.069 R)
• M4: 1,313,170 km (0.116 R)
• M5: 2,128,628 km (0.052 R)
• M6: 2,325,648 km (0.036 R)
• M7: 3,262,430 km (0.026 R)
• M8: 3,985,886 km (0.115 R)
• M9: 5,183,566 km (0.058 R)
• M10: 6,127,978 km (0.063 R)
• M11: 6,307,944 km (0.114 R)
• M12: 8,935,780 km (0.03 R)
• M13: 12,441,905 km (0.114 R)
• M14: 13,503,751 km (0.103 R)
• M15: 14,119,047 km (0.084 R)
• M16: 15,671,873 km (0.034 R)
• M17: 17,263,445 km (0.061 R)
• M18: 19,035,880 km (0.113 R)
• M19: 24,169,331 km (0.117 R)
• M20: 25,444,055 km (0.116 R)
• M21: 29,433,830 km (0.082 R)
• M22: 35,183,474 km (0.064 R)
• M23: 39,737,682 km (0.105 R)
• M24: 40,617,318 km (0.058 R)
• M25: 41,509,968 km (0.095 R)
• M26: 43,070,274 km (0.119 R)
• M27: 44,400,199 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 11,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit