🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.1

Radius: 8.9

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.53 AU - 0.87 AU

Year: 391 Days

Day: 11.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,075,996 km

• M1: 110,702 km (0.102 R)
• M2: 443,408 km (0.101 R)
• M3: 759,658 km (0.03 R)
• M4: 1,367,923 km (0.05 R)
• M5: 1,736,532 km (0.115 R)
• M6: 2,763,372 km (0.092 R)
• M7: 3,172,372 km (0.067 R)
• M8: 3,516,747 km (0.063 R)
• M9: 3,849,153 km (0.072 R)
• M10: 4,887,811 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 13.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.32 AU - 1.36 AU

Year: 1034 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,075,996 km

• M1: 169,195 km (0.114 R)
• M2: 685,757 km (0.055 R)
• M3: 1,145,770 km (0.109 R)
• M4: 1,597,556 km (0.056 R)
• M5: 2,426,627 km (0.096 R)
• M6: 3,026,963 km (0.067 R)
• M7: 3,653,479 km (0.1 R)
• M8: 4,082,526 km (0.027 R)
• M9: 5,296,363 km (0.051 R)
• M10: 5,731,394 km (0.099 R)
• M11: 6,803,861 km (0.115 R)
• M12: 8,378,079 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.6

Radius: 11

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.43 AU - 2.25 AU

Year: 1664 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,075,996 km

• M1: 136,882 km (0.081 R)
• M2: 515,215 km (0.093 R)
• M3: 905,965 km (0.093 R)
• M4: 1,347,129 km (0.1 R)
• M5: 2,235,441 km (0.094 R)
• M6: 4,093,746 km (0.072 R)
• M7: 6,585,897 km (0.112 R)
• M8: 6,969,166 km (0.114 R)
• M9: 7,503,380 km (0.046 R)
• M10: 8,296,997 km (0.066 R)
• M11: 10,320,907 km (0.115 R)
• M12: 10,699,389 km (0.062 R)
• M13: 11,630,786 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 9.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.86 AU - 2.52 AU

Year: 2161 Days

Day: 8.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,075,996 km

• M1: 122,371 km (0.079 R)
• M2: 436,377 km (0.112 R)
• M3: 808,726 km (0.078 R)
• M4: 1,268,291 km (0.092 R)
• M5: 1,633,758 km (0.046 R)
• M6: 2,011,194 km (0.093 R)
• M7: 2,315,925 km (0.11 R)
• M8: 2,694,407 km (0.047 R)
• M9: 3,036,089 km (0.088 R)
• M10: 4,220,006 km (0.113 R)
• M11: 5,476,030 km (0.105 R)
• M12: 6,563,607 km (0.096 R)
• M13: 8,425,502 km (0.091 R)
• M14: 8,740,256 km (0.119 R)
• M15: 9,766,946 km (0.104 R)
• M16: 10,506,707 km (0.1 R)
• M17: 11,705,285 km (0.101 R)
• M18: 12,018,693 km (0.119 R)
• M19: 13,371,207 km (0.077 R)
• M20: 13,713,786 km (0.104 R)
• M21: 15,609,939 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 11.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.72 AU - 2.94 AU

Year: 3175 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,075,996 km

• M1: 141,819 km (0.088 R)
• M2: 685,308 km (0.092 R)
• M3: 1,646,025 km (0.096 R)
• M4: 4,555,405 km (0.083 R)
• M5: 5,687,412 km (0.088 R)
• M6: 10,746,513 km (0.085 R)
• M7: 11,384,996 km (0.119 R)
• M8: 12,218,556 km (0.096 R)
• M9: 14,915,357 km (0.077 R)
• M10: 15,862,311 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.4

Radius: 4.9

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.53 AU - 8.97 AU

Year: 15802 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 154.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,075,996 km

• M1: 61,036 km (0.094 R)
• M2: 222,302 km (0.1 R)
• M3: 433,983 km (0.115 R)
• M4: 1,005,896 km (0.114 R)
• M5: 1,442,722 km (0.1 R)
• M6: 2,064,301 km (0.118 R)
• M7: 2,276,281 km (0.111 R)
• M8: 2,806,755 km (0.06 R)
• M9: 3,273,351 km (0.085 R)
• M10: 3,440,003 km (0.108 R)
• M11: 3,841,973 km (0.096 R)
• M12: 4,218,959 km (0.098 R)
• M13: 4,860,584 km (0.107 R)
• M14: 5,802,901 km (0.118 R)
• M15: 7,214,058 km (0.114 R)
• M16: 7,745,131 km (0.106 R)
• M17: 9,884,081 km (0.1 R)
• M18: 10,487,409 km (0.084 R)
• M19: 12,272,710 km (0.084 R)
• M20: 12,734,220 km (0.079 R)
• M21: 16,363,165 km (0.097 R)
• M22: 16,571,255 km (0.119 R)
• M23: 18,449,457 km (0.117 R)
• M24: 19,908,634 km (0.11 R)
• M25: 21,943,464 km (0.075 R)
• M26: 24,382,508 km (0.11 R)
• M27: 26,899,792 km (0.108 R)
• M28: 27,973,306 km (0.094 R)
• M29: 28,171,373 km (0.061 R)
• M30: 28,370,488 km (0.104 R)
• M31: 29,380,274 km (0.083 R)
• M32: 29,687,847 km (0.118 R)
• M33: 34,108,913 km (0.069 R)
• M34: 34,790,630 km (0.105 R)
• M35: 38,335,801 km (0.109 R)
• M36: 42,374,943 km (0.117 R)
• M37: 45,720,999 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.4

Radius: 4.5

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.76 AU - 10.34 AU

Year: 18155 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,075,996 km

• M1: 55,950 km (0.034 R)
• M2: 197,918 km (0.098 R)
• M3: 409,150 km (0.102 R)
• M4: 3,385,250 km (0.108 R)
• M5: 3,618,025 km (0.076 R)
• M6: 4,626,314 km (0.079 R)
• M7: 5,700,427 km (0.101 R)
• M8: 9,141,926 km (0.073 R)
• M9: 11,841,419 km (0.052 R)
• M10: 13,822,394 km (0.047 R)
• M11: 14,417,046 km (0.105 R)
• M12: 15,445,681 km (0.114 R)
• M13: 17,571,616 km (0.088 R)
• M14: 19,967,875 km (0.105 R)
• M15: 24,814,098 km (0.117 R)
• M16: 28,870,893 km (0.102 R)
• M17: 30,610,268 km (0.097 R)
• M18: 33,231,073 km (0.075 R)
• M19: 35,139,941 km (0.027 R)
• M20: 35,751,049 km (0.097 R)
• M21: 36,994,805 km (0.039 R)
• M22: 38,395,789 km (0.101 R)
• M23: 45,355,082 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 11,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit