🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.6

Radius: 10.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.42 AU - 0.6 AU

Year: 251 Days

Day: 8.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,977,356 km

• M1: 128,205 km (0.087 R)
• M2: 542,741 km (0.098 R)
• M3: 903,721 km (0.081 R)
• M4: 1,451,249 km (0.107 R)
• M5: 1,786,348 km (0.118 R)
• M6: 2,166,626 km (0.063 R)
• M7: 2,544,660 km (0.067 R)
• M8: 3,047,608 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 8.2

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.54 AU - 0.9 AU

Year: 422 Days

Day: 12.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 77.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,977,356 km

• M1: 102,026 km (0.047 R)
• M2: 367,562 km (0.069 R)
• M3: 756,666 km (0.081 R)
• M4: 1,138,889 km (0.108 R)
• M5: 2,521,323 km (0.119 R)
• M6: 4,678,973 km (0.112 R)
• M7: 4,994,325 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84

Radius: 12.1

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.03 AU - 1.05 AU

Year: 732 Days

Day: 10.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 103.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,977,356 km

• M1: 150,495 km (0.075 R)
• M2: 705,504 km (0.101 R)
• M3: 1,198,578 km (0.061 R)
• M4: 1,738,926 km (0.062 R)
• M5: 2,832,336 km (0.085 R)
• M6: 3,329,749 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.3

Radius: 8.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.42 AU - 1.78 AU

Year: 1397 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,977,356 km

• M1: 100,679 km (0.084 R)
• M2: 491,728 km (0.091 R)
• M3: 827,426 km (0.12 R)
• M4: 1,170,304 km (0.072 R)
• M5: 1,735,784 km (0.062 R)
• M6: 2,183,231 km (0.087 R)
• M7: 3,094,582 km (0.062 R)
• M8: 3,920,063 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.4

Radius: 8.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.61 AU - 2.57 AU

Year: 2086 Days

Day: 12.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,977,356 km

• M1: 111,301 km (0.1 R)
• M2: 390,301 km (0.101 R)
• M3: 681,867 km (0.093 R)
• M4: 971,638 km (0.116 R)
• M5: 1,243,607 km (0.046 R)
• M6: 1,804,599 km (0.112 R)
• M7: 2,653,417 km (0.069 R)
• M8: 2,937,504 km (0.081 R)
• M9: 3,931,881 km (0.041 R)
• M10: 4,320,985 km (0.043 R)
• M11: 4,658,478 km (0.104 R)
• M12: 5,343,935 km (0.052 R)
• M13: 5,689,057 km (0.109 R)
• M14: 6,617,462 km (0.105 R)
• M15: 7,015,841 km (0.037 R)
• M16: 7,430,227 km (0.072 R)
• M17: 8,625,065 km (0.084 R)
• M18: 9,283,745 km (0.091 R)
• M19: 10,202,874 km (0.099 R)
• M20: 11,250,957 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 14.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.39 AU - 3.35 AU

Year: 3356 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,977,356 km

• M1: 179,069 km (0.087 R)
• M2: 629,657 km (0.08 R)
• M3: 1,583,942 km (0.099 R)
• M4: 2,582,059 km (0.05 R)
• M5: 3,037,585 km (0.119 R)
• M6: 5,005,395 km (0.036 R)
• M7: 5,829,679 km (0.036 R)
• M8: 6,924,287 km (0.086 R)
• M9: 7,982,542 km (0.119 R)
• M10: 10,459,883 km (0.106 R)
• M11: 12,343,021 km (0.082 R)
• M12: 13,270,079 km (0.026 R)
• M13: 14,342,845 km (0.116 R)
• M14: 15,315,232 km (0.114 R)
• M15: 21,042,586 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 13.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.11 AU - 3.57 AU

Year: 4213 Days

Day: 14 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,977,356 km

• M1: 164,558 km (0.086 R)
• M2: 1,197,980 km (0.028 R)
• M3: 1,950,607 km (0.059 R)
• M4: 2,768,159 km (0.101 R)
• M5: 3,266,769 km (0.079 R)
• M6: 4,303,183 km (0.034 R)
• M7: 5,082,139 km (0.088 R)
• M8: 6,661,743 km (0.092 R)
• M9: 8,510,174 km (0.08 R)
• M10: 9,532,676 km (0.094 R)
• M11: 10,073,771 km (0.04 R)
• M12: 11,263,523 km (0.043 R)
• M13: 12,397,774 km (0.059 R)
• M14: 14,673,307 km (0.054 R)
• M15: 16,912,189 km (0.09 R)
• M16: 17,768,786 km (0.089 R)
• M17: 18,462,023 km (0.082 R)
• M18: 21,205,648 km (0.093 R)
• M19: 22,201,820 km (0.07 R)
• M20: 24,441,300 km (0.05 R)
• M21: 25,377,932 km (0.098 R)
• M22: 27,239,977 km (0.061 R)
• M23: 28,331,892 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.4

Radius: 4.9

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.69 AU - 7.55 AU

Year: 11757 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,977,356 km

• M1: 61,335 km (0.109 R)
• M2: 358,287 km (0.112 R)
• M3: 602,431 km (0.109 R)
• M4: 1,208,452 km (0.074 R)
• M5: 1,888,374 km (0.12 R)
• M6: 2,384,291 km (0.042 R)
• M7: 2,633,072 km (0.119 R)
• M8: 3,436,712 km (0.066 R)
• M9: 4,562,735 km (0.109 R)
• M10: 4,796,557 km (0.094 R)
• M11: 5,612,164 km (0.078 R)
• M12: 6,926,681 km (0.088 R)
• M13: 15,254,794 km (0.034 R)
• M14: 16,312,900 km (0.063 R)
• M15: 18,500,619 km (0.077 R)
• M16: 18,722,174 km (0.079 R)
• M17: 21,036,153 km (0.062 R)
• M18: 24,408,837 km (0.044 R)
• M19: 24,764,581 km (0.119 R)
• M20: 31,043,054 km (0.118 R)
• M21: 31,988,213 km (0.113 R)
• M22: 33,715,620 km (0.069 R)
• M23: 36,653,573 km (0.084 R)
• M24: 37,120,318 km (0.074 R)
• M25: 38,065,328 km (0.098 R)
• M26: 42,006,633 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.2

Radius: 4.4

Gravity: 38.85 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.99 AU - 9.55 AU

Year: 17927 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,977,356 km

• M1: 56,249 km (0.084 R)
• M2: 193,729 km (0.106 R)
• M3: 342,280 km (0.066 R)
• M4: 480,060 km (0.082 R)
• M5: 620,831 km (0.096 R)
• M6: 1,506,002 km (0.093 R)
• M7: 2,377,709 km (0.1 R)
• M8: 2,796,283 km (0.06 R)
• M9: 2,997,343 km (0.096 R)
• M10: 4,314,253 km (0.099 R)
• M11: 4,827,523 km (0.085 R)
• M12: 7,106,497 km (0.079 R)
• M13: 7,386,694 km (0.096 R)
• M14: 8,374,040 km (0.084 R)
• M15: 9,224,803 km (0.11 R)
• M16: 12,121,167 km (0.096 R)
• M17: 18,992,347 km (0.114 R)
• M18: 24,640,864 km (0.049 R)
• M19: 28,422,847 km (0.102 R)
• M20: 30,207,700 km (0.114 R)
• M21: 32,192,564 km (0.061 R)
• M22: 35,061,103 km (0.106 R)
• M23: 40,556,880 km (0.064 R)
• M24: 43,276,270 km (0.12 R)
• M25: 45,953,923 km (0.091 R)
• M26: 49,074,833 km (0.063 R)
• M27: 65,585,352 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 14,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit