🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.4

Radius: 10.1

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.74 AU - 0.88 AU

Year: 503 Days

Day: 10.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,222,375 km

• M1: 125,662 km (0.078 R)
• M2: 558,598 km (0.098 R)
• M3: 892,950 km (0.103 R)
• M4: 1,338,602 km (0.103 R)
• M5: 1,655,749 km (0.095 R)
• M6: 1,972,897 km (0.115 R)
• M7: 2,429,769 km (0.106 R)
• M8: 3,131,383 km (0.093 R)
• M9: 3,546,367 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.6

Radius: 10.5

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.76 AU - 1.02 AU

Year: 580 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,222,375 km

• M1: 130,749 km (0.073 R)
• M2: 509,082 km (0.113 R)
• M3: 912,697 km (0.113 R)
• M4: 1,261,708 km (0.043 R)
• M5: 2,172,460 km (0.094 R)
• M6: 2,638,458 km (0.054 R)
• M7: 2,981,785 km (0.112 R)
• M8: 3,915,126 km (0.076 R)
• M9: 4,802,540 km (0.079 R)
• M10: 5,514,926 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.2

Radius: 8.8

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.73 AU - 1.05 AU

Year: 580 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,222,375 km

• M1: 109,655 km (0.106 R)
• M2: 385,963 km (0.107 R)
• M3: 791,822 km (0.079 R)
• M4: 1,341,743 km (0.057 R)
• M5: 1,624,034 km (0.041 R)
• M6: 2,223,473 km (0.117 R)
• M7: 2,858,067 km (0.032 R)
• M8: 3,243,431 km (0.074 R)
• M9: 4,059,637 km (0.055 R)
• M10: 4,708,294 km (0.077 R)
• M11: 5,160,528 km (0.099 R)
• M12: 5,604,983 km (0.099 R)
• M13: 6,368,980 km (0.071 R)
• M14: 7,179,052 km (0.116 R)
• M15: 7,552,897 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.9

Radius: 11.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.94 AU - 1.27 AU

Year: 796 Days

Day: 5.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,222,375 km

• M1: 147,952 km (0.086 R)
• M2: 542,891 km (0.088 R)
• M3: 1,114,355 km (0.111 R)
• M4: 1,483,712 km (0.115 R)
• M5: 2,192,806 km (0.106 R)
• M6: 3,461,545 km (0.102 R)
• M7: 3,982,894 km (0.031 R)
• M8: 5,307,134 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.8

Radius: 10.9

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.44 AU - 2.12 AU

Year: 1639 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,222,375 km

• M1: 135,536 km (0.053 R)
• M2: 552,315 km (0.116 R)
• M3: 925,712 km (0.096 R)
• M4: 1,269,488 km (0.087 R)
• M5: 1,681,181 km (0.115 R)
• M6: 2,291,241 km (0.058 R)
• M7: 2,696,801 km (0.109 R)
• M8: 3,058,828 km (0.048 R)
• M9: 3,603,663 km (0.07 R)
• M10: 5,078,848 km (0.056 R)
• M11: 5,566,088 km (0.115 R)
• M12: 6,084,594 km (0.118 R)
• M13: 7,383,104 km (0.036 R)
• M14: 7,777,743 km (0.038 R)
• M15: 8,857,989 km (0.09 R)
• M16: 9,832,320 km (0.098 R)
• M17: 12,186,691 km (0.105 R)
• M18: 12,739,156 km (0.078 R)
• M19: 13,184,958 km (0.118 R)
• M20: 14,022,108 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.7

Radius: 9.5

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.14 AU - 2.76 AU

Year: 2647 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,222,375 km

• M1: 118,182 km (0.116 R)
• M2: 430,842 km (0.111 R)
• M3: 821,442 km (0.075 R)
• M4: 1,391,709 km (0.116 R)
• M5: 1,913,955 km (0.099 R)
• M6: 2,353,922 km (0.051 R)
• M7: 2,664,188 km (0.08 R)
• M8: 3,316,435 km (0.052 R)
• M9: 3,708,382 km (0.066 R)
• M10: 5,620,093 km (0.078 R)
• M11: 6,944,034 km (0.032 R)
• M12: 8,562,683 km (0.083 R)
• M13: 8,860,682 km (0.113 R)
• M14: 12,318,637 km (0.106 R)
• M15: 13,350,264 km (0.104 R)
• M16: 14,207,160 km (0.116 R)
• M17: 15,244,472 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214

Radius: 12.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.43 AU - 5.15 AU

Year: 7236 Days

Day: 8.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,222,375 km

• M1: 160,668 km (0.115 R)
• M2: 562,638 km (0.046 R)
• M3: 974,780 km (0.099 R)
• M4: 1,853,069 km (0.079 R)
• M5: 2,598,515 km (0.102 R)
• M6: 3,006,020 km (0.105 R)
• M7: 3,866,357 km (0.053 R)
• M8: 4,590,560 km (0.119 R)
• M9: 5,139,584 km (0.085 R)
• M10: 6,339,958 km (0.112 R)
• M11: 8,209,183 km (0.102 R)
• M12: 8,756,861 km (0.05 R)
• M13: 10,804,257 km (0.091 R)
• M14: 12,957,719 km (0.034 R)
• M15: 15,166,083 km (0.087 R)
• M16: 15,880,562 km (0.114 R)
• M17: 17,081,982 km (0.044 R)
• M18: 18,220,273 km (0.069 R)
• M19: 22,711,350 km (0.091 R)
• M20: 25,748,935 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.1

Radius: 7.1

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.69 AU - 7.31 AU

Year: 11439 Days

Day: 20.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,222,375 km

• M1: 88,263 km (0.047 R)
• M2: 419,622 km (0.062 R)
• M3: 703,260 km (0.111 R)
• M4: 1,013,226 km (0.103 R)
• M5: 1,463,366 km (0.087 R)
• M6: 1,868,029 km (0.083 R)
• M7: 2,105,440 km (0.06 R)
• M8: 2,603,153 km (0.055 R)
• M9: 2,983,879 km (0.095 R)
• M10: 3,983,043 km (0.091 R)
• M11: 4,918,479 km (0.087 R)
• M12: 5,469,448 km (0.102 R)
• M13: 6,803,562 km (0.041 R)
• M14: 7,927,191 km (0.071 R)
• M15: 9,626,473 km (0.054 R)
• M16: 14,265,503 km (0.074 R)
• M17: 15,192,561 km (0.078 R)
• M18: 20,054,791 km (0.087 R)
• M19: 24,883,960 km (0.083 R)
• M20: 25,414,584 km (0.073 R)
• M21: 26,590,274 km (0.094 R)
• M22: 33,657,726 km (0.044 R)
• M23: 34,197,924 km (0.116 R)
• M24: 35,629,725 km (0.098 R)
• M25: 36,986,428 km (0.037 R)
• M26: 37,561,632 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.2

Radius: 5.8

Gravity: 27.77 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.21 AU - 8.75 AU

Year: 15560 Days

Day: 22 Hours

Environment

Temp: -223 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,222,375 km

• M1: 77,043 km (0.119 R)
• M2: 523,593 km (0.074 R)
• M3: 790,774 km (0.079 R)
• M4: 1,226,852 km (0.117 R)
• M5: 2,849,989 km (0.072 R)
• M6: 4,046,922 km (0.089 R)
• M7: 4,433,333 km (0.082 R)
• M8: 6,613,273 km (0.101 R)
• M9: 9,530,880 km (0.103 R)
• M10: 10,214,393 km (0.12 R)
• M11: 11,114,075 km (0.103 R)
• M12: 11,300,174 km (0.099 R)
• M13: 12,661,665 km (0.109 R)
• M14: 13,557,307 km (0.066 R)
• M15: 14,494,388 km (0.056 R)
• M16: 14,716,691 km (0.092 R)
• M17: 22,394,053 km (0.11 R)
• M18: 23,906,338 km (0.052 R)
• M19: 28,616,726 km (0.115 R)
• M20: 35,495,984 km (0.032 R)
• M21: 35,765,111 km (0.063 R)
• M22: 37,966,593 km (0.082 R)
• M23: 38,247,987 km (0.066 R)
• M24: 38,530,876 km (0.06 R)
• M25: 40,843,510 km (0.083 R)
• M26: 44,953,263 km (0.049 R)
• M27: 51,020,952 km (0.073 R)
• M28: 55,235,274 km (0.102 R)
• M29: 59,297,155 km (0.104 R)
• M30: 61,982,886 km (0.079 R)
• M31: 62,177,812 km (0.102 R)
• M32: 63,751,731 km (0.113 R)
• M33: 65,351,979 km (0.097 R)
• M34: 69,259,476 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.9

Radius: 7.7

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.93 AU - 11.07 AU

Year: 21828 Days

Day: 16.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 103.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,222,375 km

• M1: 104,868 km (0.093 R)
• M2: 403,166 km (0.038 R)
• M3: 1,971,550 km (0.118 R)
• M4: 5,098,894 km (0.119 R)
• M5: 6,053,029 km (0.095 R)
• M6: 10,410,067 km (0.084 R)
• M7: 10,765,811 km (0.099 R)
• M8: 14,528,796 km (0.119 R)
• M9: 21,441,414 km (0.06 R)
• M10: 23,286,853 km (0.084 R)
• M11: 30,682,374 km (0.111 R)
• M12: 38,529,380 km (0.1 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: 350 - 13,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit