🌌 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: 931.3

Radius: 11.2

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.62 AU - 0.84 AU

Year: 431 Days

Day: 9.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,562,648 km

• M1: 140,323 km (0.101 R)
• M2: 777,011 km (0.109 R)
• M3: 1,195,586 km (0.084 R)
• M4: 1,668,016 km (0.098 R)
• M5: 2,853,879 km (0.068 R)
• M6: 3,250,911 km (0.096 R)
• M7: 3,869,050 km (0.101 R)
• M8: 4,624,220 km (0.062 R)
• M9: 5,158,733 km (0.119 R)
• M10: 5,629,667 km (0.118 R)
• M11: 6,001,418 km (0.045 R)
• M12: 6,389,624 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 9.9

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.18 AU - 1.74 AU

Year: 1218 Days

Day: 7.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,562,648 km

• M1: 124,914 km (0.116 R)
• M2: 440,715 km (0.081 R)
• M3: 815,159 km (0.095 R)
• M4: 1,180,028 km (0.114 R)
• M5: 1,608,476 km (0.111 R)
• M6: 2,116,810 km (0.073 R)
• M7: 3,226,078 km (0.1 R)
• M8: 3,632,984 km (0.063 R)
• M9: 4,003,987 km (0.114 R)
• M10: 4,942,265 km (0.087 R)
• M11: 5,593,913 km (0.096 R)
• M12: 6,090,279 km (0.1 R)
• M13: 8,726,193 km (0.109 R)
• M14: 9,773,528 km (0.067 R)
• M15: 12,679,766 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.7

Radius: 9.4

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.51 AU - 1.55 AU

Year: 1306 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,562,648 km

• M1: 116,986 km (0.101 R)
• M2: 411,245 km (0.104 R)
• M3: 976,425 km (0.083 R)
• M4: 1,342,641 km (0.093 R)
• M5: 1,651,112 km (0.09 R)
• M6: 2,493,797 km (0.086 R)
• M7: 3,454,514 km (0.059 R)
• M8: 3,809,211 km (0.07 R)
• M9: 5,133,750 km (0.054 R)
• M10: 5,518,067 km (0.109 R)
• M11: 7,086,601 km (0.105 R)
• M12: 7,711,022 km (0.036 R)
• M13: 8,087,710 km (0.11 R)
• M14: 8,397,976 km (0.098 R)
• M15: 8,769,876 km (0.073 R)
• M16: 9,097,346 km (0.026 R)
• M17: 9,632,756 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.5

Radius: 11.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.61 AU - 2.35 AU

Year: 1923 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,562,648 km

• M1: 145,708 km (0.115 R)
• M2: 509,979 km (0.111 R)
• M3: 1,140,085 km (0.057 R)
• M4: 1,584,092 km (0.12 R)
• M5: 2,230,803 km (0.116 R)
• M6: 3,047,009 km (0.067 R)
• M7: 3,434,318 km (0.102 R)
• M8: 4,002,341 km (0.084 R)
• M9: 4,818,847 km (0.051 R)
• M10: 5,347,675 km (0.074 R)
• M11: 7,320,721 km (0.078 R)
• M12: 9,556,312 km (0.063 R)
• M13: 11,044,811 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 14.6

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.8 AU - 2.68 AU

Year: 2314 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,562,648 km

• M1: 181,761 km (0.098 R)
• M2: 866,022 km (0.114 R)
• M3: 1,537,567 km (0.073 R)
• M4: 2,157,800 km (0.096 R)
• M5: 3,098,471 km (0.077 R)
• M6: 3,929,637 km (0.108 R)
• M7: 4,633,046 km (0.088 R)
• M8: 6,483,572 km (0.067 R)
• M9: 8,995,619 km (0.101 R)
• M10: 12,508,925 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.7

Radius: 10.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.44 AU - 4.34 AU

Year: 5296 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 123.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,562,648 km

• M1: 126,560 km (0.081 R)
• M2: 563,386 km (0.083 R)
• M3: 1,392,008 km (0.075 R)
• M4: 1,708,108 km (0.09 R)
• M5: 2,192,357 km (0.103 R)
• M6: 3,310,302 km (0.06 R)
• M7: 4,088,659 km (0.106 R)
• M8: 6,033,581 km (0.079 R)
• M9: 6,538,175 km (0.11 R)
• M10: 7,316,383 km (0.11 R)
• M11: 10,178,340 km (0.091 R)
• M12: 10,492,495 km (0.045 R)
• M13: 11,181,543 km (0.072 R)
• M14: 11,943,744 km (0.077 R)
• M15: 12,337,785 km (0.096 R)
• M16: 17,710,294 km (0.112 R)
• M17: 20,684,898 km (0.025 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.1

Radius: 11.5

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.34 AU - 5.28 AU

Year: 6176 Days

Day: 9.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,562,648 km

• M1: 143,016 km (0.119 R)
• M2: 557,402 km (0.101 R)
• M3: 917,633 km (0.112 R)
• M4: 1,580,202 km (0.088 R)
• M5: 1,943,875 km (0.12 R)
• M6: 2,364,245 km (0.06 R)
• M7: 2,965,329 km (0.072 R)
• M8: 3,413,524 km (0.109 R)
• M9: 3,882,364 km (0.103 R)
• M10: 5,125,971 km (0.094 R)
• M11: 6,443,779 km (0.119 R)
• M12: 10,832,083 km (0.111 R)
• M13: 11,383,949 km (0.097 R)
• M14: 11,901,857 km (0.114 R)
• M15: 15,471,861 km (0.093 R)
• M16: 16,172,427 km (0.093 R)
• M17: 18,613,715 km (0.112 R)
• M18: 19,187,872 km (0.057 R)
• M19: 20,146,046 km (0.103 R)
• M20: 21,135,935 km (0.071 R)
• M21: 26,757,973 km (0.114 R)
• M22: 27,953,709 km (0.116 R)
• M23: 32,471,265 km (0.065 R)
• M24: 33,408,795 km (0.118 R)
• M25: 33,937,324 km (0.095 R)
• M26: 37,909,297 km (0.053 R)
• M27: 38,716,079 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.4

Radius: 5.7

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.72 AU - 8.18 AU

Year: 12647 Days

Day: 24.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,562,648 km

• M1: 70,909 km (0.064 R)
• M2: 689,646 km (0.097 R)
• M3: 991,684 km (0.092 R)
• M4: 1,679,386 km (0.046 R)
• M5: 2,211,954 km (0.078 R)
• M6: 2,412,415 km (0.077 R)
• M7: 3,363,409 km (0.114 R)
• M8: 3,580,176 km (0.047 R)
• M9: 6,043,455 km (0.034 R)
• M10: 6,437,496 km (0.063 R)
• M11: 6,810,443 km (0.108 R)
• M12: 7,477,350 km (0.118 R)
• M13: 8,403,960 km (0.094 R)
• M14: 8,986,194 km (0.101 R)
• M15: 10,431,908 km (0.113 R)
• M16: 14,775,183 km (0.118 R)
• M17: 18,504,658 km (0.037 R)
• M18: 20,110,143 km (0.035 R)
• M19: 22,223,512 km (0.069 R)
• M20: 22,476,482 km (0.098 R)
• M21: 26,411,654 km (0.054 R)
• M22: 29,444,451 km (0.094 R)
• M23: 33,468,784 km (0.118 R)
• M24: 36,190,717 km (0.113 R)
• M25: 44,429,969 km (0.074 R)
• M26: 44,697,450 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.3

Radius: 3.7

Gravity: 60.65 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.61 AU - 10.03 AU

Year: 21241 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 34,562,648 km

• M1: 46,076 km (0.119 R)
• M2: 184,753 km (0.114 R)
• M3: 385,364 km (0.088 R)
• M4: 506,239 km (0.083 R)
• M5: 721,211 km (0.099 R)
• M6: 1,242,261 km (0.076 R)
• M7: 1,879,099 km (0.117 R)
• M8: 2,734,649 km (0.076 R)
• M9: 2,970,266 km (0.101 R)
• M10: 3,951,179 km (0.066 R)
• M11: 4,218,211 km (0.085 R)
• M12: 4,390,997 km (0.064 R)
• M13: 4,938,076 km (0.075 R)
• M14: 5,488,447 km (0.115 R)
• M15: 6,479,682 km (0.071 R)
• M16: 7,089,892 km (0.06 R)
• M17: 7,483,783 km (0.106 R)
• M18: 8,532,464 km (0.086 R)
• M19: 10,470,505 km (0.097 R)
• M20: 10,596,466 km (0.119 R)
• M21: 15,269,305 km (0.079 R)
• M22: 18,644,383 km (0.113 R)
• M23: 19,298,574 km (0.092 R)
• M24: 22,068,528 km (0.027 R)
• M25: 22,484,710 km (0.084 R)
• M26: 22,694,745 km (0.057 R)
• M27: 27,056,420 km (0.07 R)
• M28: 27,533,189 km (0.106 R)
• M29: 30,897,944 km (0.11 R)
• M30: 32,210,666 km (0.072 R)
• M31: 36,515,494 km (0.086 R)
• M32: 38,880,337 km (0.112 R)
• M33: 40,254,393 km (0.118 R)
• M34: 41,977,462 km (0.07 R)
• M35: 44,570,442 km (0.107 R)
• M36: 45,234,955 km (0.077 R)
• M37: 45,569,606 km (0.109 R)
• M38: 47,959,133 km (0.117 R)
• M39: 54,295,650 km (0.118 R)
• M40: 63,441,166 km (0.072 R)
• M41: 77,079,405 km (0.084 R)
• M42: 80,463,309 km (0.216 R)
• M43: 84,197,272 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.9

Radius: 3.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.7 AU - 11.3 AU

Year: 21828 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,562,648 km

• M1: 266,883 km (0.063 R)
• M2: 383,120 km (0.095 R)
• M3: 1,923,978 km (0.074 R)
• M4: 3,066,008 km (0.088 R)
• M5: 5,154,694 km (0.089 R)
• M6: 8,351,152 km (0.111 R)
• M7: 9,178,577 km (0.034 R)
• M8: 10,519,722 km (0.066 R)
• M9: 13,472,784 km (0.078 R)
• M10: 14,607,035 km (0.12 R)
• M11: 16,806,274 km (0.118 R)
• M12: 19,286,457 km (0.114 R)
• M13: 19,996,448 km (0.045 R)
• M14: 20,212,767 km (0.094 R)
• M15: 21,168,398 km (0.101 R)
• M16: 21,619,286 km (0.077 R)
• M17: 23,728,466 km (0.072 R)
• M18: 25,292,213 km (0.045 R)
• M19: 26,314,565 km (0.057 R)
• M20: 26,835,913 km (0.085 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: 464 - 20,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit