🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.5

Radius: 8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.76 AU - 1.12 AU

Year: 598 Days

Day: 12.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,807,963 km

• M1: 99,782 km (0.072 R)
• M2: 353,799 km (0.12 R)
• M3: 760,107 km (0.112 R)
• M4: 1,023,249 km (0.119 R)
• M5: 1,294,470 km (0.051 R)
• M6: 2,084,048 km (0.094 R)
• M7: 2,442,634 km (0.108 R)
• M8: 2,740,783 km (0.116 R)
• M9: 3,031,002 km (0.059 R)
• M10: 3,847,657 km (0.117 R)
• M11: 4,348,511 km (0.109 R)
• M12: 5,242,807 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.4

Radius: 13.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.23 AU - 1.25 AU

Year: 906 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,807,963 km

• M1: 169,195 km (0.116 R)
• M2: 595,400 km (0.111 R)
• M3: 1,045,091 km (0.09 R)
• M4: 1,772,884 km (0.096 R)
• M5: 2,528,503 km (0.101 R)
• M6: 3,477,702 km (0.086 R)
• M7: 4,336,393 km (0.117 R)
• M8: 5,016,765 km (0.101 R)
• M9: 6,151,614 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.2

Radius: 9.7

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.18 AU - 3.18 AU

Year: 3720 Days

Day: 5.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,807,963 km

• M1: 124,316 km (0.106 R)
• M2: 521,498 km (0.111 R)
• M3: 1,280,707 km (0.067 R)
• M4: 2,152,863 km (0.047 R)
• M5: 2,514,740 km (0.11 R)
• M6: 3,833,296 km (0.105 R)
• M7: 5,043,842 km (0.072 R)
• M8: 6,601,754 km (0.095 R)
• M9: 7,137,614 km (0.043 R)
• M10: 8,137,227 km (0.114 R)
• M11: 10,524,958 km (0.067 R)
• M12: 11,296,285 km (0.119 R)
• M13: 15,630,135 km (0.083 R)
• M14: 17,308,773 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.9

Radius: 11.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.99 AU - 3.65 AU

Year: 3968 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 123.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,807,963 km

• M1: 144,212 km (0.104 R)
• M2: 519,404 km (0.107 R)
• M3: 1,056,460 km (0.118 R)
• M4: 1,458,878 km (0.092 R)
• M5: 1,965,267 km (0.11 R)
• M6: 2,528,354 km (0.063 R)
• M7: 3,554,894 km (0.055 R)
• M8: 4,247,084 km (0.117 R)
• M9: 4,704,105 km (0.052 R)
• M10: 8,272,912 km (0.106 R)
• M11: 8,642,867 km (0.084 R)
• M12: 10,388,675 km (0.109 R)
• M13: 12,709,536 km (0.105 R)
• M14: 15,206,474 km (0.075 R)
• M15: 15,711,965 km (0.076 R)
• M16: 18,466,062 km (0.071 R)
• M17: 19,392,522 km (0.089 R)
• M18: 20,107,599 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.8

Radius: 13.4

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.12 AU - 4.48 AU

Year: 5849 Days

Day: 9.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,807,963 km

• M1: 166,652 km (0.12 R)
• M2: 655,089 km (0.106 R)
• M3: 1,465,012 km (0.113 R)
• M4: 2,064,151 km (0.066 R)
• M5: 2,634,718 km (0.107 R)
• M6: 4,074,448 km (0.094 R)
• M7: 4,825,130 km (0.115 R)
• M8: 5,898,494 km (0.119 R)
• M9: 6,476,241 km (0.093 R)
• M10: 7,745,879 km (0.115 R)
• M11: 10,997,538 km (0.115 R)
• M12: 12,210,178 km (0.099 R)
• M13: 13,100,734 km (0.056 R)
• M14: 13,614,005 km (0.108 R)
• M15: 14,845,494 km (0.056 R)
• M16: 17,591,214 km (0.097 R)
• M17: 18,090,272 km (0.114 R)
• M18: 18,856,512 km (0.106 R)
• M19: 19,710,866 km (0.12 R)
• M20: 20,181,501 km (0.115 R)
• M21: 20,728,580 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.4

Radius: 4.1

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.85 AU - 8.53 AU

Year: 12647 Days

Day: 22.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,807,963 km

• M1: 51,013 km (0.102 R)
• M2: 210,933 km (0.094 R)
• M3: 362,326 km (0.043 R)
• M4: 501,452 km (0.053 R)
• M5: 721,211 km (0.106 R)
• M6: 1,251,087 km (0.103 R)
• M7: 1,475,633 km (0.084 R)
• M8: 1,726,509 km (0.1 R)
• M9: 1,944,174 km (0.11 R)
• M10: 2,381,897 km (0.057 R)
• M11: 4,164,356 km (0.049 R)
• M12: 5,001,057 km (0.108 R)
• M13: 5,293,221 km (0.092 R)
• M14: 5,565,938 km (0.109 R)
• M15: 10,058,811 km (0.071 R)
• M16: 11,348,195 km (0.116 R)
• M17: 12,214,217 km (0.118 R)
• M18: 13,068,720 km (0.084 R)
• M19: 13,962,268 km (0.068 R)
• M20: 19,401,198 km (0.101 R)
• M21: 21,008,927 km (0.104 R)
• M22: 21,691,392 km (0.068 R)
• M23: 23,020,868 km (0.063 R)
• M24: 23,746,119 km (0.115 R)
• M25: 25,840,639 km (0.087 R)
• M26: 26,273,874 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.4

Radius: 7.9

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.77 AU - 9.99 AU

Year: 17359 Days

Day: 20.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,807,963 km

• M1: 98,585 km (0.06 R)
• M2: 352,453 km (0.03 R)
• M3: 1,921,285 km (0.082 R)
• M4: 2,357,064 km (0.088 R)
• M5: 3,030,853 km (0.102 R)
• M6: 4,069,212 km (0.117 R)
• M7: 5,669,311 km (0.105 R)
• M8: 6,783,366 km (0.082 R)
• M9: 8,744,145 km (0.095 R)
• M10: 9,492,583 km (0.059 R)
• M11: 10,994,546 km (0.115 R)
• M12: 19,741,982 km (0.119 R)
• M13: 20,561,629 km (0.052 R)
• M14: 22,562,052 km (0.11 R)
• M15: 25,214,272 km (0.101 R)
• M16: 25,854,551 km (0.11 R)
• M17: 29,454,175 km (0.083 R)
• M18: 32,992,763 km (0.092 R)
• M19: 34,929,756 km (0.042 R)
• M20: 42,982,759 km (0.034 R)
• M21: 43,896,204 km (0.117 R)
• M22: 46,554,708 km (0.116 R)
• M23: 51,334,210 km (0.081 R)
• M24: 52,189,910 km (0.114 R)
• M25: 59,758,066 km (0.104 R)
• M26: 62,434,671 km (0.092 R)
• M27: 63,213,927 km (0.105 R)
• M28: 63,999,615 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.5

Radius: 4.9

Gravity: 22.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.85 AU - 11.69 AU

Year: 21591 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,807,963 km

• M1: 60,886 km (0.115 R)
• M2: 299,944 km (0.1 R)
• M3: 550,969 km (0.06 R)
• M4: 783,743 km (0.103 R)
• M5: 1,327,382 km (0.118 R)
• M6: 2,300,666 km (0.095 R)
• M7: 3,115,675 km (0.093 R)
• M8: 4,469,236 km (0.084 R)
• M9: 6,559,567 km (0.083 R)
• M10: 6,961,986 km (0.104 R)
• M11: 8,684,156 km (0.097 R)
• M12: 9,843,540 km (0.049 R)
• M13: 10,075,566 km (0.094 R)
• M14: 13,503,901 km (0.119 R)
• M15: 13,718,424 km (0.063 R)
• M16: 14,825,149 km (0.086 R)
• M17: 15,207,072 km (0.092 R)
• M18: 16,310,955 km (0.085 R)
• M19: 18,152,206 km (0.097 R)
• M20: 19,302,763 km (0.103 R)
• M21: 23,147,279 km (0.043 R)
• M22: 24,817,988 km (0.093 R)
• M23: 25,902,123 km (0.032 R)
• M24: 26,122,631 km (0.104 R)
• M25: 27,586,895 km (0.095 R)
• M26: 28,280,729 km (0.038 R)
• M27: 32,690,426 km (0.086 R)
• M28: 34,923,324 km (0.066 R)
• M29: 42,228,487 km (0.092 R)
• M30: 53,464,933 km (0.09 R)
• M31: 56,555,625 km (0.069 R)
• M32: 60,923,882 km (0.084 R)
• M33: 64,900,643 km (0.086 R)
• M34: 70,753,809 km (0.118 R)
• M35: 72,270,133 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 13,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit