🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.2

Radius: 15

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.83 AU - 1.19 AU

Year: 666 Days

Day: 13.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,645,814 km

• M1: 186,549 km (0.067 R)
• M2: 718,219 km (0.087 R)
• M3: 1,455,288 km (0.054 R)
• M4: 1,965,118 km (0.052 R)
• M5: 2,682,140 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.3

Radius: 14.3

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.9 AU - 1.22 AU

Year: 716 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,645,814 km

• M1: 178,620 km (0.117 R)
• M2: 726,298 km (0.038 R)
• M3: 1,328,429 km (0.027 R)
• M4: 1,789,939 km (0.09 R)
• M5: 2,635,765 km (0.071 R)
• M6: 3,434,767 km (0.104 R)
• M7: 4,143,562 km (0.108 R)
• M8: 4,598,339 km (0.12 R)
• M9: 6,785,460 km (0.083 R)
• M10: 7,488,869 km (0.104 R)
• M11: 8,095,938 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.6

Radius: 8.9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.82 AU - 1.36 AU

Year: 747 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,645,814 km

• M1: 110,702 km (0.064 R)
• M2: 409,449 km (0.102 R)
• M3: 761,902 km (0.111 R)
• M4: 1,101,639 km (0.041 R)
• M5: 1,565,093 km (0.082 R)
• M6: 1,919,939 km (0.117 R)
• M7: 2,230,504 km (0.095 R)
• M8: 2,628,285 km (0.103 R)
• M9: 3,500,889 km (0.088 R)
• M10: 4,445,600 km (0.068 R)
• M11: 5,605,432 km (0.091 R)
• M12: 6,913,815 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.2

Radius: 14.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.93 AU - 1.41 AU

Year: 830 Days

Day: 11 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,645,814 km

• M1: 182,809 km (0.058 R)
• M2: 701,315 km (0.118 R)
• M3: 1,253,929 km (0.09 R)
• M4: 2,139,399 km (0.072 R)
• M5: 3,022,326 km (0.077 R)
• M6: 3,811,305 km (0.074 R)
• M7: 4,452,033 km (0.074 R)
• M8: 5,096,201 km (0.116 R)
• M9: 5,565,789 km (0.096 R)
• M10: 6,064,398 km (0.061 R)
• M11: 6,837,520 km (0.087 R)
• M12: 7,345,405 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.2

Radius: 8.9

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.97 AU - 1.61 AU

Year: 961 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,645,814 km

• M1: 110,702 km (0.09 R)
• M2: 405,859 km (0.104 R)
• M3: 787,483 km (0.056 R)
• M4: 1,250,040 km (0.097 R)
• M5: 1,717,832 km (0.098 R)
• M6: 2,917,607 km (0.095 R)
• M7: 3,701,351 km (0.118 R)
• M8: 4,190,386 km (0.115 R)
• M9: 4,808,824 km (0.071 R)
• M10: 5,260,310 km (0.098 R)
• M11: 6,020,866 km (0.077 R)
• M12: 6,720,086 km (0.089 R)
• M13: 7,448,777 km (0.098 R)
• M14: 8,004,384 km (0.11 R)
• M15: 8,458,114 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.1

Radius: 14.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.33 AU - 3.45 AU

Year: 3223 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,645,814 km

• M1: 185,352 km (0.106 R)
• M2: 753,824 km (0.062 R)
• M3: 1,397,992 km (0.065 R)
• M4: 2,216,741 km (0.111 R)
• M5: 3,120,462 km (0.098 R)
• M6: 4,600,583 km (0.115 R)
• M7: 5,712,843 km (0.066 R)
• M8: 7,944,694 km (0.114 R)
• M9: 8,538,747 km (0.086 R)
• M10: 11,478,345 km (0.081 R)
• M11: 13,369,861 km (0.083 R)
• M12: 15,785,268 km (0.077 R)
• M13: 16,501,842 km (0.102 R)
• M14: 17,297,703 km (0.086 R)
• M15: 17,822,642 km (0.112 R)
• M16: 18,599,802 km (0.103 R)
• M17: 22,899,395 km (0.107 R)
• M18: 23,391,123 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.4

Radius: 8

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.5 AU - 5.86 AU

Year: 8880 Days

Day: 13.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,645,814 km

• M1: 99,483 km (0.082 R)
• M2: 375,640 km (0.105 R)
• M3: 1,016,069 km (0.107 R)
• M4: 1,737,430 km (0.107 R)
• M5: 2,441,288 km (0.056 R)
• M6: 2,890,829 km (0.052 R)
• M7: 3,298,633 km (0.038 R)
• M8: 3,928,440 km (0.079 R)
• M9: 4,879,284 km (0.111 R)
• M10: 5,131,357 km (0.114 R)
• M11: 5,392,255 km (0.099 R)
• M12: 6,450,211 km (0.086 R)
• M13: 8,466,641 km (0.092 R)
• M14: 8,785,434 km (0.079 R)
• M15: 9,302,744 km (0.091 R)
• M16: 11,356,274 km (0.077 R)
• M17: 12,084,067 km (0.12 R)
• M18: 13,022,046 km (0.051 R)
• M19: 13,819,403 km (0.045 R)
• M20: 15,375,968 km (0.087 R)
• M21: 18,074,564 km (0.076 R)
• M22: 23,129,327 km (0.108 R)
• M23: 27,239,528 km (0.07 R)
• M24: 28,439,752 km (0.051 R)
• M25: 28,950,030 km (0.11 R)
• M26: 31,811,838 km (0.028 R)
• M27: 35,795,330 km (0.102 R)
• M28: 36,151,522 km (0.086 R)
• M29: 36,870,938 km (0.111 R)
• M30: 38,961,120 km (0.078 R)
• M31: 42,308,671 km (0.07 R)
• M32: 45,843,220 km (0.084 R)
• M33: 47,396,196 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.7

Radius: 7.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.61 AU - 7.65 AU

Year: 13826 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,645,814 km

• M1: 97,538 km (0.046 R)
• M2: 607,966 km (0.03 R)
• M3: 874,848 km (0.11 R)
• M4: 1,231,041 km (0.112 R)
• M5: 1,837,062 km (0.056 R)
• M6: 3,457,506 km (0.073 R)
• M7: 4,779,353 km (0.064 R)
• M8: 5,286,789 km (0.075 R)
• M9: 6,252,742 km (0.076 R)
• M10: 7,228,719 km (0.107 R)
• M11: 7,717,455 km (0.058 R)
• M12: 10,236,833 km (0.049 R)
• M13: 12,208,383 km (0.106 R)
• M14: 13,516,168 km (0.053 R)
• M15: 13,989,794 km (0.106 R)
• M16: 18,377,799 km (0.1 R)
• M17: 18,699,435 km (0.084 R)
• M18: 20,432,227 km (0.055 R)
• M19: 24,137,317 km (0.105 R)
• M20: 25,069,910 km (0.068 R)
• M21: 25,386,011 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716

Radius: 5.5

Gravity: 23.67 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.79 AU - 9.05 AU

Year: 16028 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,645,814 km

• M1: 68,366 km (0.075 R)
• M2: 267,182 km (0.06 R)
• M3: 777,011 km (0.107 R)
• M4: 977,024 km (0.12 R)
• M5: 1,251,685 km (0.076 R)
• M6: 1,975,440 km (0.109 R)
• M7: 2,311,138 km (0.04 R)
• M8: 3,122,108 km (0.082 R)
• M9: 4,077,440 km (0.12 R)
• M10: 4,791,021 km (0.096 R)
• M11: 6,133,214 km (0.089 R)
• M12: 6,717,094 km (0.083 R)
• M13: 7,708,329 km (0.119 R)
• M14: 12,329,109 km (0.12 R)
• M15: 14,733,745 km (0.05 R)
• M16: 16,161,656 km (0.118 R)
• M17: 16,473,568 km (0.102 R)
• M18: 17,761,905 km (0.095 R)
• M19: 18,942,980 km (0.074 R)
• M20: 19,906,989 km (0.096 R)
• M21: 22,410,958 km (0.045 R)
• M22: 25,747,140 km (0.055 R)
• M23: 28,484,482 km (0.087 R)
• M24: 32,263,474 km (0.102 R)
• M25: 40,941,347 km (0.109 R)
• M26: 41,521,188 km (0.047 R)
• M27: 47,304,492 km (0.118 R)
• M28: 51,388,514 km (0.04 R)
• M29: 55,878,844 km (0.074 R)
• M30: 57,673,121 km (0.12 R)
• M31: 63,093,650 km (0.091 R)
• M32: 63,479,463 km (0.12 R)
• M33: 64,255,876 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.6

Radius: 4.5

Gravity: 42.89 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.89 AU - 12.83 AU

Year: 23478 Days

Day: 17.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 91,645,814 km

• M1: 55,950 km (0.11 R)
• M2: 482,603 km (0.109 R)
• M3: 626,516 km (0.107 R)
• M4: 892,052 km (0.107 R)
• M5: 1,127,370 km (0.069 R)
• M6: 1,799,363 km (0.031 R)
• M7: 3,171,176 km (0.097 R)
• M8: 3,468,576 km (0.104 R)
• M9: 6,841,709 km (0.11 R)
• M10: 7,699,503 km (0.114 R)
• M11: 7,857,927 km (0.074 R)
• M12: 8,236,260 km (0.083 R)
• M13: 9,146,563 km (0.119 R)
• M14: 12,493,517 km (0.081 R)
• M15: 12,639,374 km (0.077 R)
• M16: 16,575,294 km (0.1 R)
• M17: 17,377,438 km (0.114 R)
• M18: 21,050,216 km (0.107 R)
• M19: 23,729,663 km (0.093 R)
• M20: 26,869,274 km (0.049 R)
• M21: 28,475,207 km (0.098 R)
• M22: 29,494,716 km (0.117 R)
• M23: 30,538,161 km (0.091 R)
• M24: 31,336,864 km (0.063 R)
• M25: 36,870,190 km (0.05 R)
• M26: 38,850,268 km (0.089 R)
• M27: 47,656,945 km (0.03 R)
• M28: 50,926,107 km (0.091 R)
• M29: 55,316,805 km (0.117 R)
• M30: 74,921,606 km (0.07 R)
• M31: 77,349,429 km (0.102 R)
• M32: 88,656,485 km (0.108 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 16,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit