🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 9.5

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.88 AU - 1.34 AU

Year: 793 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,470,535 km

• M1: 118,332 km (0.096 R)
• M2: 426,952 km (0.108 R)
• M3: 747,989 km (0.119 R)
• M4: 1,150,557 km (0.076 R)
• M5: 1,465,610 km (0.039 R)
• M6: 1,990,100 km (0.049 R)
• M7: 2,659,551 km (0.039 R)
• M8: 3,179,852 km (0.093 R)
• M9: 3,646,897 km (0.098 R)
• M10: 4,142,963 km (0.104 R)
• M11: 4,772,022 km (0.068 R)
• M12: 5,346,927 km (0.032 R)
• M13: 5,782,406 km (0.113 R)
• M14: 6,634,965 km (0.052 R)
• M15: 7,471,965 km (0.117 R)
• M16: 8,535,307 km (0.1 R)
• M17: 9,382,928 km (0.091 R)
• M18: 9,754,529 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 9.7

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.12 AU - 1.3 AU

Year: 903 Days

Day: 11.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,470,535 km

• M1: 120,576 km (0.062 R)
• M2: 451,486 km (0.078 R)
• M3: 1,035,516 km (0.117 R)
• M4: 1,348,326 km (0.081 R)
• M5: 1,657,844 km (0.092 R)
• M6: 2,275,234 km (0.108 R)
• M7: 2,637,859 km (0.072 R)
• M8: 3,103,408 km (0.056 R)
• M9: 3,508,968 km (0.111 R)
• M10: 4,011,317 km (0.104 R)
• M11: 4,996,569 km (0.067 R)
• M12: 5,440,725 km (0.12 R)
• M13: 6,344,595 km (0.105 R)
• M14: 6,689,119 km (0.096 R)
• M15: 7,160,352 km (0.087 R)
• M16: 7,462,989 km (0.076 R)
• M17: 8,244,638 km (0.097 R)
• M18: 8,603,374 km (0.113 R)
• M19: 8,999,359 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636

Radius: 12.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.14 AU - 1.4 AU

Year: 971 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 130.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,470,535 km

• M1: 153,039 km (0.112 R)
• M2: 752,178 km (0.116 R)
• M3: 1,269,188 km (0.091 R)
• M4: 2,170,366 km (0.079 R)
• M5: 2,750,058 km (0.11 R)
• M6: 3,183,592 km (0.032 R)
• M7: 3,935,770 km (0.086 R)
• M8: 4,802,989 km (0.107 R)
• M9: 5,397,641 km (0.067 R)
• M10: 5,978,380 km (0.108 R)
• M11: 7,031,100 km (0.117 R)
• M12: 9,082,685 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 10.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.2 AU - 1.54 AU

Year: 1088 Days

Day: 14.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,470,535 km

• M1: 126,859 km (0.102 R)
• M2: 460,761 km (0.089 R)
• M3: 1,052,421 km (0.091 R)
• M4: 1,451,399 km (0.035 R)
• M5: 1,840,652 km (0.062 R)
• M6: 2,247,259 km (0.119 R)
• M7: 2,620,057 km (0.03 R)
• M8: 3,520,038 km (0.078 R)
• M9: 4,345,968 km (0.038 R)
• M10: 4,857,892 km (0.107 R)
• M11: 5,900,738 km (0.085 R)
• M12: 6,464,573 km (0.062 R)
• M13: 7,772,956 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.6

Radius: 11.2

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.85 AU - 3.97 AU

Year: 4271 Days

Day: 10.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,470,535 km

• M1: 139,575 km (0.029 R)
• M2: 553,662 km (0.09 R)
• M3: 1,349,074 km (0.119 R)
• M4: 1,836,763 km (0.098 R)
• M5: 2,251,149 km (0.091 R)
• M6: 2,693,061 km (0.09 R)
• M7: 4,258,004 km (0.043 R)
• M8: 4,627,810 km (0.113 R)
• M9: 6,141,142 km (0.07 R)
• M10: 7,743,036 km (0.092 R)
• M11: 8,183,752 km (0.094 R)
• M12: 9,155,838 km (0.088 R)
• M13: 9,775,024 km (0.085 R)
• M14: 10,246,706 km (0.085 R)
• M15: 11,235,847 km (0.05 R)
• M16: 12,238,303 km (0.079 R)
• M17: 13,719,322 km (0.09 R)
• M18: 14,202,223 km (0.106 R)
• M19: 14,864,044 km (0.116 R)
• M20: 19,141,048 km (0.062 R)
• M21: 20,153,975 km (0.082 R)
• M22: 21,776,064 km (0.095 R)
• M23: 26,662,679 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.1

Radius: 9.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.13 AU - 4.75 AU

Year: 5304 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,470,535 km

• M1: 117,135 km (0.044 R)
• M2: 676,781 km (0.049 R)
• M3: 1,179,729 km (0.116 R)
• M4: 1,481,767 km (0.036 R)
• M5: 3,377,322 km (0.084 R)
• M6: 4,409,846 km (0.093 R)
• M7: 4,782,046 km (0.09 R)
• M8: 5,844,041 km (0.052 R)
• M9: 7,323,414 km (0.111 R)
• M10: 7,752,760 km (0.085 R)
• M11: 9,567,981 km (0.097 R)
• M12: 10,497,731 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337

Radius: 12.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.15 AU - 4.83 AU

Year: 5406 Days

Day: 10.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,470,535 km

• M1: 169,494 km (0.093 R)
• M2: 971,937 km (0.063 R)
• M3: 2,180,239 km (0.109 R)
• M4: 2,631,127 km (0.092 R)
• M5: 4,171,836 km (0.058 R)
• M6: 5,253,578 km (0.104 R)
• M7: 5,680,530 km (0.118 R)
• M8: 7,460,147 km (0.081 R)
• M9: 9,782,803 km (0.053 R)
• M10: 10,640,448 km (0.065 R)
• M11: 17,393,894 km (0.102 R)
• M12: 25,035,204 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.9

Radius: 12.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.7 AU - 5.66 AU

Year: 6867 Days

Day: 6.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 65.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,470,535 km

• M1: 162,314 km (0.078 R)
• M2: 770,429 km (0.052 R)
• M3: 1,536,071 km (0.115 R)
• M4: 2,108,732 km (0.099 R)
• M5: 3,424,744 km (0.06 R)
• M6: 4,974,428 km (0.046 R)
• M7: 6,845,449 km (0.07 R)
• M8: 8,731,878 km (0.095 R)
• M9: 10,566,546 km (0.103 R)
• M10: 11,723,836 km (0.112 R)
• M11: 22,302,051 km (0.111 R)
• M12: 27,337,515 km (0.067 R)
• M13: 30,830,625 km (0.081 R)
• M14: 31,894,864 km (0.117 R)
• M15: 33,083,569 km (0.089 R)
• M16: 33,994,471 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.9

Radius: 5.4

Gravity: 28.29 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.64 AU - 8.3 AU

Year: 15261 Days

Day: 17 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,470,535 km

• M1: 100,380 km (0.114 R)
• M2: 387,309 km (0.059 R)
• M3: 888,761 km (0.058 R)
• M4: 1,060,200 km (0.103 R)
• M5: 1,411,157 km (0.089 R)
• M6: 1,964,370 km (0.099 R)
• M7: 2,342,703 km (0.108 R)
• M8: 2,516,087 km (0.114 R)
• M9: 2,888,585 km (0.119 R)
• M10: 3,191,671 km (0.051 R)
• M11: 3,772,559 km (0.09 R)
• M12: 4,011,617 km (0.083 R)
• M13: 4,824,232 km (0.06 R)
• M14: 5,398,838 km (0.115 R)
• M15: 7,535,394 km (0.082 R)
• M16: 7,963,394 km (0.075 R)
• M17: 12,182,353 km (0.081 R)
• M18: 13,242,852 km (0.109 R)
• M19: 13,795,616 km (0.115 R)
• M20: 14,726,564 km (0.077 R)
• M21: 15,319,720 km (0.042 R)
• M22: 22,834,769 km (0.115 R)
• M23: 24,544,223 km (0.119 R)
• M24: 28,102,558 km (0.114 R)
• M25: 29,245,187 km (0.119 R)
• M26: 32,858,424 km (0.098 R)
• M27: 36,087,943 km (0.077 R)
• M28: 38,540,002 km (0.04 R)
• M29: 46,558,597 km (0.103 R)
• M30: 46,875,296 km (0.074 R)
• M31: 51,291,425 km (0.1 R)
• M32: 56,334,968 km (0.109 R)
• M33: 57,964,986 km (0.106 R)
• M34: 59,254,221 km (0.101 R)
• M35: 60,562,604 km (0.041 R)
• M36: 62,272,806 km (0.083 R)
• M37: 62,464,741 km (0.05 R)
• M38: 64,799,514 km (0.055 R)
• M39: 65,392,221 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.6

Radius: 4.1

Gravity: 48.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.53 AU - 9.11 AU

Year: 16277 Days

Day: 17.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,470,535 km

• M1: 51,013 km (0.111 R)
• M2: 279,299 km (0.082 R)
• M3: 409,300 km (0.091 R)
• M4: 1,531,583 km (0.074 R)
• M5: 1,733,091 km (0.106 R)
• M6: 1,914,554 km (0.029 R)
• M7: 2,423,934 km (0.088 R)
• M8: 2,917,607 km (0.059 R)
• M9: 3,336,481 km (0.092 R)
• M10: 3,854,389 km (0.06 R)
• M11: 4,625,716 km (0.097 R)
• M12: 5,157,237 km (0.103 R)
• M13: 5,649,863 km (0.096 R)
• M14: 6,131,718 km (0.073 R)
• M15: 7,936,616 km (0.117 R)
• M16: 8,084,718 km (0.072 R)
• M17: 8,386,606 km (0.072 R)
• M18: 9,669,707 km (0.073 R)
• M19: 10,067,189 km (0.108 R)
• M20: 10,240,872 km (0.07 R)
• M21: 12,417,820 km (0.099 R)
• M22: 13,933,246 km (0.115 R)
• M23: 21,041,539 km (0.079 R)
• M24: 21,901,427 km (0.12 R)
• M25: 24,831,302 km (0.108 R)
• M26: 30,357,298 km (0.094 R)
• M27: 30,720,072 km (0.113 R)
• M28: 31,577,567 km (0.043 R)
• M29: 32,957,309 km (0.066 R)
• M30: 37,060,479 km (0.113 R)
• M31: 41,491,568 km (0.087 R)
• M32: 44,219,635 km (0.059 R)
• M33: 46,103,371 km (0.104 R)
• M34: 48,697,248 km (0.086 R)
• M35: 54,173,727 km (0.09 R)
• M36: 55,244,250 km (0.099 R)
• M37: 61,578,224 km (0.079 R)
• M38: 64,919,193 km (0.073 R)
• M39: 65,924,341 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 18,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit