🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 13.1

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.63 AU - 0.73 AU

Year: 374 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,242,060 km

• M1: 163,211 km (0.103 R)
• M2: 697,724 km (0.085 R)
• M3: 1,112,859 km (0.114 R)
• M4: 1,631,814 km (0.067 R)
• M5: 2,095,567 km (0.112 R)
• M6: 2,719,091 km (0.101 R)
• M7: 3,816,690 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.2

Radius: 8.7

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.09 AU - 1.77 AU

Year: 1140 Days

Day: 12.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,242,060 km

• M1: 108,159 km (0.079 R)
• M2: 384,616 km (0.12 R)
• M3: 895,343 km (0.109 R)
• M4: 1,339,799 km (0.102 R)
• M5: 1,682,527 km (0.074 R)
• M6: 2,330,735 km (0.083 R)
• M7: 3,136,170 km (0.039 R)
• M8: 3,634,929 km (0.064 R)
• M9: 3,911,835 km (0.053 R)
• M10: 4,381,123 km (0.066 R)
• M11: 5,044,590 km (0.055 R)
• M12: 6,909,776 km (0.106 R)
• M13: 8,724,548 km (0.067 R)
• M14: 9,074,906 km (0.102 R)
• M15: 9,587,578 km (0.085 R)
• M16: 9,960,825 km (0.028 R)
• M17: 11,207,424 km (0.065 R)
• M18: 11,797,587 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 10

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.59 AU - 2.69 AU

Year: 2860 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,242,060 km

• M1: 127,009 km (0.108 R)
• M2: 460,612 km (0.105 R)
• M3: 1,146,967 km (0.087 R)
• M4: 1,526,048 km (0.095 R)
• M5: 2,118,605 km (0.118 R)
• M6: 2,627,088 km (0.044 R)
• M7: 3,247,620 km (0.085 R)
• M8: 4,738,213 km (0.074 R)
• M9: 5,470,046 km (0.102 R)
• M10: 7,614,831 km (0.065 R)
• M11: 8,681,912 km (0.078 R)
• M12: 9,102,731 km (0.101 R)
• M13: 10,775,684 km (0.088 R)
• M14: 11,920,108 km (0.098 R)
• M15: 14,811,236 km (0.106 R)
• M16: 15,133,171 km (0.097 R)
• M17: 16,078,929 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 11.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.23 AU - 3.37 AU

Year: 3124 Days

Day: 12.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,242,060 km

• M1: 144,960 km (0.105 R)
• M2: 788,530 km (0.1 R)
• M3: 1,616,555 km (0.092 R)
• M4: 2,042,759 km (0.111 R)
• M5: 3,144,547 km (0.105 R)
• M6: 4,020,592 km (0.115 R)
• M7: 4,744,347 km (0.058 R)
• M8: 6,058,863 km (0.103 R)
• M9: 7,132,677 km (0.04 R)
• M10: 7,602,564 km (0.082 R)
• M11: 9,393,998 km (0.073 R)
• M12: 10,036,372 km (0.085 R)
• M13: 11,158,356 km (0.066 R)
• M14: 14,723,722 km (0.095 R)
• M15: 16,384,557 km (0.112 R)
• M16: 16,983,248 km (0.066 R)
• M17: 18,514,831 km (0.12 R)
• M18: 20,887,154 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 11.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.31 AU - 3.41 AU

Year: 3225 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,242,060 km

• M1: 143,315 km (0.034 R)
• M2: 787,633 km (0.07 R)
• M3: 1,213,388 km (0.091 R)
• M4: 1,733,690 km (0.111 R)
• M5: 2,133,266 km (0.074 R)
• M6: 2,515,488 km (0.117 R)
• M7: 3,292,948 km (0.1 R)
• M8: 4,242,745 km (0.104 R)
• M9: 5,148,560 km (0.076 R)
• M10: 6,010,094 km (0.09 R)
• M11: 8,047,917 km (0.116 R)
• M12: 8,675,629 km (0.097 R)
• M13: 9,367,968 km (0.104 R)
• M14: 9,927,913 km (0.099 R)
• M15: 10,863,049 km (0.116 R)
• M16: 13,478,020 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 10.8

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.09 AU - 3.73 AU

Year: 4199 Days

Day: 11.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,242,060 km

• M1: 134,339 km (0.085 R)
• M2: 745,446 km (0.066 R)
• M3: 1,520,513 km (0.091 R)
• M4: 2,050,089 km (0.057 R)
• M5: 2,399,101 km (0.109 R)
• M6: 2,841,761 km (0.111 R)
• M7: 3,651,235 km (0.116 R)
• M8: 4,812,713 km (0.056 R)
• M9: 6,488,060 km (0.113 R)
• M10: 7,318,627 km (0.105 R)
• M11: 7,705,936 km (0.113 R)
• M12: 8,106,858 km (0.074 R)
• M13: 8,911,246 km (0.12 R)
• M14: 9,979,824 km (0.093 R)
• M15: 10,501,023 km (0.101 R)
• M16: 14,288,242 km (0.1 R)
• M17: 17,000,302 km (0.093 R)
• M18: 17,369,659 km (0.078 R)
• M19: 18,188,259 km (0.081 R)
• M20: 18,835,270 km (0.033 R)
• M21: 21,079,836 km (0.118 R)
• M22: 21,577,997 km (0.059 R)
• M23: 22,303,247 km (0.039 R)
• M24: 26,916,995 km (0.092 R)
• M25: 28,184,089 km (0.083 R)
• M26: 28,875,979 km (0.056 R)
• M27: 29,226,038 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.2

Radius: 14.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.98 AU - 4.62 AU

Year: 4940 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,242,060 km

• M1: 176,675 km (0.091 R)
• M2: 742,454 km (0.048 R)
• M3: 1,274,723 km (0.092 R)
• M4: 2,205,222 km (0.083 R)
• M5: 3,653,479 km (0.11 R)
• M6: 4,371,399 km (0.075 R)
• M7: 5,975,388 km (0.036 R)
• M8: 7,299,479 km (0.109 R)
• M9: 7,873,934 km (0.036 R)
• M10: 10,735,442 km (0.104 R)
• M11: 11,979,947 km (0.037 R)
• M12: 12,446,992 km (0.093 R)
• M13: 16,577,389 km (0.097 R)
• M14: 18,794,728 km (0.067 R)
• M15: 20,799,340 km (0.115 R)
• M16: 21,818,999 km (0.082 R)
• M17: 22,376,251 km (0.107 R)
• M18: 24,327,606 km (0.094 R)
• M19: 25,459,613 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13.5

Radius: 5.4

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.85 AU - 8.55 AU

Year: 12883 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,242,060 km

• M1: 77,940 km (0.059 R)
• M2: 294,409 km (0.116 R)
• M3: 2,237,984 km (0.101 R)
• M4: 2,819,920 km (0.085 R)
• M5: 3,669,486 km (0.083 R)
• M6: 4,030,765 km (0.099 R)
• M7: 5,787,642 km (0.088 R)
• M8: 9,606,577 km (0.062 R)
• M9: 14,213,443 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.9

Radius: 7.5

Gravity: 17.05 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.45 AU - 8.37 AU

Year: 13451 Days

Day: 15.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,242,060 km

• M1: 93,349 km (0.065 R)
• M2: 540,796 km (0.06 R)
• M3: 908,059 km (0.044 R)
• M4: 1,266,645 km (0.075 R)
• M5: 2,353,773 km (0.085 R)
• M6: 3,162,798 km (0.099 R)
• M7: 3,933,826 km (0.097 R)
• M8: 4,656,084 km (0.092 R)
• M9: 4,927,155 km (0.074 R)
• M10: 6,653,216 km (0.104 R)
• M11: 7,490,665 km (0.082 R)
• M12: 8,347,112 km (0.093 R)
• M13: 8,901,672 km (0.089 R)
• M14: 14,541,362 km (0.096 R)
• M15: 15,122,101 km (0.12 R)
• M16: 16,485,386 km (0.117 R)
• M17: 17,764,149 km (0.069 R)
• M18: 24,042,173 km (0.04 R)
• M19: 27,728,564 km (0.049 R)
• M20: 28,061,120 km (0.111 R)
• M21: 32,629,390 km (0.098 R)
• M22: 33,373,490 km (0.031 R)
• M23: 34,255,818 km (0.047 R)
• M24: 36,862,561 km (0.041 R)
• M25: 45,471,320 km (0.118 R)
• M26: 48,453,853 km (0.037 R)
• M27: 49,584,663 km (0.077 R)
• M28: 50,567,970 km (0.094 R)
• M29: 51,731,392 km (0.065 R)
• M30: 56,742,024 km (0.06 R)
• M31: 57,099,114 km (0.079 R)
• M32: 59,456,327 km (0.086 R)
• M33: 61,877,868 km (0.12 R)
• M34: 65,337,917 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.4

Radius: 6.4

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.75 AU - 10.93 AU

Year: 22172 Days

Day: 17 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,242,060 km

• M1: 79,586 km (0.106 R)
• M2: 280,047 km (0.111 R)
• M3: 723,455 km (0.098 R)
• M4: 1,525,749 km (0.099 R)
• M5: 2,119,054 km (0.077 R)
• M6: 2,855,823 km (0.115 R)
• M7: 3,908,394 km (0.105 R)
• M8: 5,007,490 km (0.037 R)
• M9: 6,634,815 km (0.063 R)
• M10: 6,943,286 km (0.029 R)
• M11: 7,505,924 km (0.099 R)
• M12: 8,722,154 km (0.026 R)
• M13: 10,575,373 km (0.066 R)
• M14: 16,325,765 km (0.097 R)
• M15: 21,526,984 km (0.042 R)
• M16: 22,893,860 km (0.103 R)
• M17: 25,050,911 km (0.108 R)
• M18: 29,248,179 km (0.079 R)
• M19: 37,892,841 km (0.093 R)
• M20: 40,771,404 km (0.107 R)
• M21: 42,461,261 km (0.037 R)
• M22: 43,792,533 km (0.065 R)
• M23: 44,197,345 km (0.09 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: 169 - 12,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit