🌌 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 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660

Radius: 10.7

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.53 AU - 0.53 AU

Year: 262 Days

Day: 10.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,754,932 km

• M1: 133,142 km (0.078 R)
• M2: 518,656 km (0.113 R)
• M3: 905,067 km (0.045 R)
• M4: 1,252,882 km (0.099 R)
• M5: 1,737,280 km (0.107 R)
• M6: 2,352,427 km (0.044 R)
• M7: 2,693,809 km (0.071 R)
• M8: 3,058,678 km (0.104 R)
• M9: 3,564,169 km (0.112 R)
• M10: 3,935,471 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.2

Radius: 14.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.67 AU - 0.91 AU

Year: 476 Days

Day: 7.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,754,932 km

• M1: 177,872 km (0.112 R)
• M2: 705,504 km (0.108 R)
• M3: 1,216,979 km (0.042 R)
• M4: 1,751,941 km (0.098 R)
• M5: 2,461,483 km (0.115 R)
• M6: 2,998,390 km (0.081 R)
• M7: 3,505,078 km (0.117 R)
• M8: 3,986,634 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 14.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.39 AU - 1.57 AU

Year: 1221 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,754,932 km

• M1: 181,013 km (0.095 R)
• M2: 721,062 km (0.109 R)
• M3: 1,775,577 km (0.073 R)
• M4: 2,274,336 km (0.067 R)
• M5: 2,946,031 km (0.105 R)
• M6: 3,589,451 km (0.12 R)
• M7: 4,252,020 km (0.072 R)
• M8: 5,467,952 km (0.063 R)
• M9: 6,310,188 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 12.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.97 AU - 2.01 AU

Year: 1904 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,754,932 km

• M1: 160,967 km (0.119 R)
• M2: 679,773 km (0.115 R)
• M3: 1,368,521 km (0.102 R)
• M4: 1,902,436 km (0.105 R)
• M5: 2,629,482 km (0.116 R)
• M6: 3,153,224 km (0.099 R)
• M7: 3,657,070 km (0.097 R)
• M8: 5,292,473 km (0.1 R)
• M9: 5,884,432 km (0.083 R)
• M10: 6,787,106 km (0.119 R)
• M11: 7,400,307 km (0.077 R)
• M12: 8,546,676 km (0.069 R)
• M13: 9,296,012 km (0.098 R)
• M14: 9,807,936 km (0.097 R)
• M15: 12,905,659 km (0.036 R)
• M16: 14,882,744 km (0.038 R)
• M17: 16,210,575 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 8.4

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.06 AU - 2.24 AU

Year: 2138 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,754,932 km

• M1: 104,419 km (0.049 R)
• M2: 429,495 km (0.095 R)
• M3: 755,768 km (0.058 R)
• M4: 1,735,634 km (0.098 R)
• M5: 2,371,126 km (0.1 R)
• M6: 2,644,591 km (0.08 R)
• M7: 2,987,769 km (0.098 R)
• M8: 3,360,417 km (0.055 R)
• M9: 3,688,186 km (0.119 R)
• M10: 3,957,761 km (0.104 R)
• M11: 5,147,812 km (0.082 R)
• M12: 5,685,168 km (0.109 R)
• M13: 6,757,336 km (0.12 R)
• M14: 8,280,242 km (0.1 R)
• M15: 8,711,084 km (0.108 R)
• M16: 12,326,865 km (0.098 R)
• M17: 12,976,867 km (0.103 R)
• M18: 13,513,176 km (0.063 R)
• M19: 13,878,793 km (0.12 R)
• M20: 14,439,635 km (0.118 R)
• M21: 15,064,206 km (0.09 R)
• M22: 15,358,465 km (0.108 R)
• M23: 15,857,524 km (0.081 R)
• M24: 16,367,353 km (0.118 R)
• M25: 17,258,957 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.5

Radius: 6.4

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.86 AU - 6.96 AU

Year: 9745 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,754,932 km

• M1: 80,035 km (0.09 R)
• M2: 310,565 km (0.086 R)
• M3: 532,120 km (0.072 R)
• M4: 774,767 km (0.117 R)
• M5: 1,291,927 km (0.029 R)
• M6: 1,633,160 km (0.104 R)
• M7: 5,103,083 km (0.064 R)
• M8: 6,182,730 km (0.083 R)
• M9: 6,828,844 km (0.064 R)
• M10: 7,259,536 km (0.036 R)
• M11: 7,708,180 km (0.11 R)
• M12: 8,456,020 km (0.104 R)
• M13: 10,941,289 km (0.092 R)
• M14: 12,089,902 km (0.105 R)
• M15: 14,102,890 km (0.055 R)
• M16: 15,583,161 km (0.064 R)
• M17: 16,455,766 km (0.101 R)
• M18: 16,710,980 km (0.102 R)
• M19: 17,229,336 km (0.026 R)
• M20: 17,558,751 km (0.056 R)
• M21: 20,273,653 km (0.118 R)
• M22: 21,768,884 km (0.112 R)
• M23: 22,309,231 km (0.103 R)
• M24: 22,700,579 km (0.094 R)
• M25: 23,658,454 km (0.039 R)
• M26: 26,084,334 km (0.12 R)
• M27: 27,491,302 km (0.06 R)
• M28: 28,031,649 km (0.116 R)
• M29: 29,413,634 km (0.047 R)
• M30: 30,937,288 km (0.091 R)
• M31: 31,718,489 km (0.105 R)
• M32: 34,765,199 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.3

Radius: 7.4

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.28 AU - 10.8 AU

Year: 23209 Days

Day: 19.6 Hours

Environment

Temp: -245 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,754,932 km

• M1: 92,003 km (0.077 R)
• M2: 409,001 km (0.113 R)
• M3: 666,010 km (0.067 R)
• M4: 1,428,061 km (0.071 R)
• M5: 2,582,807 km (0.099 R)
• M6: 3,987,082 km (0.07 R)
• M7: 5,026,638 km (0.102 R)
• M8: 5,534,224 km (0.074 R)
• M9: 5,996,182 km (0.108 R)
• M10: 6,567,047 km (0.099 R)
• M11: 8,649,450 km (0.097 R)
• M12: 9,324,734 km (0.073 R)
• M13: 10,721,380 km (0.114 R)
• M14: 12,903,714 km (0.113 R)
• M15: 13,170,597 km (0.095 R)
• M16: 14,632,766 km (0.062 R)
• M17: 17,876,198 km (0.078 R)
• M18: 24,396,870 km (0.067 R)
• M19: 24,805,421 km (0.095 R)
• M20: 38,457,424 km (0.112 R)
• M21: 40,133,219 km (0.104 R)
• M22: 41,277,194 km (0.095 R)
• M23: 42,149,350 km (0.088 R)
• M24: 46,538,551 km (0.093 R)
• M25: 51,557,111 km (0.117 R)
• M26: 54,456,766 km (0.09 R)
• M27: 58,005,078 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 15,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit