🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.6

Radius: 10.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.56 AU - 0.9 AU

Year: 438 Days

Day: 6.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,005,930 km

• M1: 129,402 km (0.066 R)
• M2: 631,602 km (0.09 R)
• M3: 1,281,306 km (0.113 R)
• M4: 1,637,947 km (0.081 R)
• M5: 2,176,649 km (0.099 R)
• M6: 3,132,280 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.3

Radius: 9.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.94 AU - 1.54 AU

Year: 971 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,005,930 km

• M1: 116,836 km (0.109 R)
• M2: 781,948 km (0.083 R)
• M3: 3,188,679 km (0.061 R)
• M4: 4,411,641 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 11.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.4 AU - 1.78 AU

Year: 1409 Days

Day: 14.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,005,930 km

• M1: 146,756 km (0.066 R)
• M2: 518,805 km (0.08 R)
• M3: 930,349 km (0.118 R)
• M4: 1,543,700 km (0.074 R)
• M5: 2,290,044 km (0.119 R)
• M6: 3,123,604 km (0.112 R)
• M7: 4,098,982 km (0.082 R)
• M8: 4,675,981 km (0.058 R)
• M9: 5,129,262 km (0.069 R)
• M10: 5,570,426 km (0.055 R)
• M11: 6,369,728 km (0.115 R)
• M12: 7,905,051 km (0.11 R)
• M13: 8,304,477 km (0.078 R)
• M14: 9,376,944 km (0.07 R)
• M15: 9,855,358 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.5

Radius: 11.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.06 AU - 2.1 AU

Year: 2109 Days

Day: 6.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,005,930 km

• M1: 149,897 km (0.082 R)
• M2: 1,377,647 km (0.109 R)
• M3: 1,857,407 km (0.067 R)
• M4: 2,654,016 km (0.101 R)
• M5: 3,360,118 km (0.11 R)
• M6: 3,869,050 km (0.116 R)
• M7: 4,543,437 km (0.043 R)
• M8: 4,919,526 km (0.113 R)
• M9: 7,176,060 km (0.103 R)
• M10: 8,399,023 km (0.056 R)
• M11: 9,984,910 km (0.086 R)
• M12: 12,096,334 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.1

Radius: 9.3

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.64 AU - 4.3 AU

Year: 4544 Days

Day: 7.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,005,930 km

• M1: 119,529 km (0.07 R)
• M2: 441,314 km (0.098 R)
• M3: 760,107 km (0.077 R)
• M4: 1,117,945 km (0.115 R)
• M5: 1,707,211 km (0.06 R)
• M6: 2,459,688 km (0.083 R)
• M7: 3,498,346 km (0.057 R)
• M8: 4,253,067 km (0.09 R)
• M9: 4,830,814 km (0.114 R)
• M10: 5,351,415 km (0.115 R)
• M11: 5,851,521 km (0.091 R)
• M12: 6,504,665 km (0.1 R)
• M13: 6,977,394 km (0.064 R)
• M14: 7,338,374 km (0.092 R)
• M15: 8,947,449 km (0.075 R)
• M16: 10,226,361 km (0.102 R)
• M17: 13,192,438 km (0.044 R)
• M18: 13,745,501 km (0.098 R)
• M19: 15,169,074 km (0.115 R)
• M20: 18,121,688 km (0.066 R)
• M21: 18,805,350 km (0.053 R)
• M22: 21,574,855 km (0.086 R)
• M23: 24,984,041 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.9

Radius: 9.9

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.01 AU - 4.05 AU

Year: 4662 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,005,930 km

• M1: 123,119 km (0.11 R)
• M2: 458,667 km (0.109 R)
• M3: 859,440 km (0.069 R)
• M4: 1,260,212 km (0.059 R)
• M5: 1,860,100 km (0.033 R)
• M6: 2,892,924 km (0.087 R)
• M7: 3,235,802 km (0.054 R)
• M8: 3,687,288 km (0.097 R)
• M9: 4,004,137 km (0.055 R)
• M10: 4,596,843 km (0.119 R)
• M11: 5,731,992 km (0.052 R)
• M12: 7,401,953 km (0.107 R)
• M13: 8,223,844 km (0.098 R)
• M14: 8,693,880 km (0.109 R)
• M15: 9,029,727 km (0.101 R)
• M16: 9,887,372 km (0.092 R)
• M17: 12,502,044 km (0.12 R)
• M18: 13,517,065 km (0.117 R)
• M19: 14,638,301 km (0.11 R)
• M20: 15,168,027 km (0.119 R)
• M21: 16,719,357 km (0.111 R)
• M22: 17,298,301 km (0.1 R)
• M23: 18,990,552 km (0.089 R)
• M24: 19,812,592 km (0.114 R)
• M25: 21,937,032 km (0.101 R)
• M26: 22,421,130 km (0.083 R)
• M27: 23,626,889 km (0.036 R)
• M28: 24,726,134 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.2

Radius: 4.7

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.23 AU - 7.65 AU

Year: 11488 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,005,930 km

• M1: 59,091 km (0.037 R)
• M2: 238,758 km (0.089 R)
• M3: 416,929 km (0.039 R)
• M4: 1,904,680 km (0.066 R)
• M5: 2,166,626 km (0.057 R)
• M6: 2,489,458 km (0.047 R)
• M7: 2,722,083 km (0.059 R)
• M8: 2,905,939 km (0.093 R)
• M9: 3,978,705 km (0.052 R)
• M10: 4,434,829 km (0.093 R)
• M11: 5,482,313 km (0.112 R)
• M12: 6,907,532 km (0.106 R)
• M13: 7,604,808 km (0.115 R)
• M14: 8,958,519 km (0.062 R)
• M15: 10,268,099 km (0.114 R)
• M16: 12,297,693 km (0.112 R)
• M17: 13,144,716 km (0.101 R)
• M18: 21,128,455 km (0.084 R)
• M19: 25,889,108 km (0.09 R)
• M20: 26,071,169 km (0.062 R)
• M21: 29,497,259 km (0.1 R)
• M22: 30,398,437 km (0.09 R)
• M23: 31,628,281 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.3

Radius: 3.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.42 AU - 7.74 AU

Year: 11864 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,005,930 km

• M1: 47,423 km (0.087 R)
• M2: 171,888 km (0.103 R)
• M3: 538,852 km (0.046 R)
• M4: 661,372 km (0.08 R)
• M5: 921,672 km (0.117 R)
• M6: 1,441,076 km (0.12 R)
• M7: 3,099,069 km (0.098 R)
• M8: 3,215,307 km (0.112 R)
• M9: 4,719,065 km (0.059 R)
• M10: 5,273,175 km (0.102 R)
• M11: 6,572,433 km (0.105 R)
• M12: 8,107,307 km (0.066 R)
• M13: 8,254,362 km (0.099 R)
• M14: 13,955,836 km (0.118 R)
• M15: 14,542,110 km (0.117 R)
• M16: 14,704,723 km (0.073 R)
• M17: 17,906,865 km (0.07 R)
• M18: 19,504,570 km (0.054 R)
• M19: 21,755,719 km (0.08 R)
• M20: 25,330,211 km (0.093 R)
• M21: 27,338,263 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.9

Radius: 3.4

Gravity: 47.14 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.46 AU - 8.3 AU

Year: 12685 Days

Day: 18.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,005,930 km

• M1: 42,785 km (0.115 R)
• M2: 217,814 km (0.111 R)
• M3: 393,293 km (0.059 R)
• M4: 544,835 km (0.119 R)
• M5: 914,791 km (0.109 R)
• M6: 1,135,597 km (0.117 R)
• M7: 1,621,641 km (0.086 R)
• M8: 2,529,700 km (0.106 R)
• M9: 2,828,597 km (0.082 R)
• M10: 3,496,701 km (0.075 R)
• M11: 4,034,206 km (0.054 R)
• M12: 5,237,122 km (0.058 R)
• M13: 7,653,427 km (0.113 R)
• M14: 8,413,983 km (0.111 R)
• M15: 9,125,769 km (0.087 R)
• M16: 9,471,340 km (0.079 R)
• M17: 11,107,044 km (0.084 R)
• M18: 11,500,785 km (0.065 R)
• M19: 14,061,153 km (0.099 R)
• M20: 14,257,425 km (0.071 R)
• M21: 14,789,545 km (0.052 R)
• M22: 15,266,014 km (0.091 R)
• M23: 16,977,114 km (0.076 R)
• M24: 19,776,988 km (0.085 R)
• M25: 21,544,637 km (0.116 R)
• M26: 22,156,492 km (0.117 R)
• M27: 26,368,719 km (0.116 R)
• M28: 28,924,599 km (0.086 R)
• M29: 43,233,934 km (0.102 R)
• M30: 45,050,800 km (0.07 R)
• M31: 47,796,968 km (0.11 R)
• M32: 49,738,749 km (0.095 R)
• M33: 50,194,125 km (0.115 R)
• M34: 51,113,404 km (0.112 R)
• M35: 51,422,323 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.5

Radius: 6.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.49 AU - 11.97 AU

Year: 21334 Days

Day: 21.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,005,930 km

• M1: 83,326 km (0.056 R)
• M2: 729,888 km (0.09 R)
• M3: 1,193,941 km (0.081 R)
• M4: 1,428,660 km (0.054 R)
• M5: 3,169,680 km (0.058 R)
• M6: 8,836,597 km (0.069 R)
• M7: 10,996,491 km (0.103 R)
• M8: 20,600,375 km (0.057 R)
• M9: 23,830,193 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 11,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit