🌌 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: 850.4

Radius: 14.4

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.61 AU - 0.85 AU

Year: 403 Days

Day: 9.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,030,867 km

• M1: 179,069 km (0.101 R)
• M2: 693,237 km (0.112 R)
• M3: 1,172,399 km (0.087 R)
• M4: 1,792,033 km (0.082 R)
• M5: 2,426,627 km (0.09 R)
• M6: 3,031,152 km (0.117 R)
• M7: 3,722,893 km (0.082 R)
• M8: 4,291,963 km (0.12 R)
• M9: 5,167,410 km (0.097 R)
• M10: 5,690,254 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438

Radius: 8.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.22 AU - 1.36 AU

Year: 946 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,030,867 km

• M1: 111,151 km (0.108 R)
• M2: 681,269 km (0.093 R)
• M3: 1,023,399 km (0.064 R)
• M4: 1,314,367 km (0.112 R)
• M5: 1,779,018 km (0.067 R)
• M6: 2,117,857 km (0.108 R)
• M7: 2,424,084 km (0.11 R)
• M8: 2,842,808 km (0.087 R)
• M9: 7,906,397 km (0.107 R)
• M10: 8,397,078 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.6

Radius: 9.7

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.66 AU - 1.84 AU

Year: 1495 Days

Day: 13.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,030,867 km

• M1: 120,725 km (0.058 R)
• M2: 906,713 km (0.108 R)
• M3: 1,295,218 km (0.029 R)
• M4: 1,940,733 km (0.029 R)
• M5: 2,651,473 km (0.056 R)
• M6: 3,074,685 km (0.081 R)
• M7: 3,381,660 km (0.05 R)
• M8: 3,743,088 km (0.113 R)
• M9: 4,642,022 km (0.076 R)
• M10: 5,433,395 km (0.094 R)
• M11: 6,263,513 km (0.067 R)
• M12: 6,836,623 km (0.086 R)
• M13: 7,916,570 km (0.093 R)
• M14: 8,586,918 km (0.073 R)
• M15: 9,711,595 km (0.088 R)
• M16: 10,241,919 km (0.078 R)
• M17: 11,144,593 km (0.063 R)
• M18: 11,469,220 km (0.093 R)
• M19: 12,635,784 km (0.068 R)
• M20: 13,267,985 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 14.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.79 AU - 4.55 AU

Year: 5498 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 79.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,030,867 km

• M1: 175,329 km (0.063 R)
• M2: 752,328 km (0.106 R)
• M3: 1,323,492 km (0.08 R)
• M4: 1,847,683 km (0.074 R)
• M5: 2,443,083 km (0.065 R)
• M6: 2,986,721 km (0.097 R)
• M7: 4,002,491 km (0.097 R)
• M8: 4,927,754 km (0.103 R)
• M9: 7,166,935 km (0.052 R)
• M10: 8,898,231 km (0.075 R)
• M11: 9,928,511 km (0.109 R)
• M12: 10,752,197 km (0.112 R)
• M13: 11,670,728 km (0.118 R)
• M14: 13,226,845 km (0.055 R)
• M15: 14,453,249 km (0.105 R)
• M16: 17,390,453 km (0.052 R)
• M17: 25,498,059 km (0.082 R)
• M18: 31,757,683 km (0.093 R)
• M19: 32,842,118 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.6

Radius: 12.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.3 AU - 6.9 AU

Year: 8557 Days

Day: 13.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,030,867 km

• M1: 150,495 km (0.064 R)
• M2: 918,232 km (0.115 R)
• M3: 1,583,793 km (0.047 R)
• M4: 3,652,133 km (0.106 R)
• M5: 4,073,700 km (0.11 R)
• M6: 5,214,982 km (0.115 R)
• M7: 5,599,149 km (0.059 R)
• M8: 8,357,435 km (0.094 R)
• M9: 9,010,429 km (0.101 R)
• M10: 9,522,353 km (0.068 R)
• M11: 10,234,888 km (0.056 R)
• M12: 10,839,862 km (0.074 R)
• M13: 11,419,254 km (0.035 R)
• M14: 12,378,925 km (0.093 R)
• M15: 14,002,510 km (0.083 R)
• M16: 14,573,974 km (0.088 R)
• M17: 16,319,931 km (0.039 R)
• M18: 19,651,176 km (0.103 R)
• M19: 20,513,458 km (0.114 R)
• M20: 22,545,895 km (0.107 R)
• M21: 23,094,022 km (0.119 R)
• M22: 24,709,230 km (0.076 R)
• M23: 25,291,914 km (0.031 R)
• M24: 28,344,159 km (0.108 R)
• M25: 29,259,399 km (0.088 R)
• M26: 33,827,370 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722

Radius: 3.8

Gravity: 50 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.85 AU - 7.95 AU

Year: 11703 Days

Day: 22.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,030,867 km

• M1: 48,470 km (0.034 R)
• M2: 264,788 km (0.092 R)
• M3: 520,451 km (0.069 R)
• M4: 998,566 km (0.117 R)
• M5: 1,160,580 km (0.102 R)
• M6: 1,582,895 km (0.086 R)
• M7: 2,010,147 km (0.07 R)
• M8: 4,752,724 km (0.108 R)
• M9: 4,946,603 km (0.116 R)
• M10: 6,532,640 km (0.075 R)
• M11: 6,732,054 km (0.05 R)
• M12: 8,335,444 km (0.098 R)
• M13: 10,662,289 km (0.064 R)
• M14: 11,505,871 km (0.088 R)
• M15: 13,452,439 km (0.092 R)
• M16: 15,466,924 km (0.109 R)
• M17: 15,607,845 km (0.098 R)
• M18: 18,851,725 km (0.086 R)
• M19: 24,853,442 km (0.072 R)
• M20: 25,241,499 km (0.088 R)
• M21: 25,831,214 km (0.098 R)
• M22: 27,140,345 km (0.1 R)
• M23: 28,281,926 km (0.077 R)
• M24: 31,784,760 km (0.105 R)
• M25: 32,356,972 km (0.1 R)
• M26: 32,819,529 km (0.104 R)
• M27: 34,835,211 km (0.117 R)
• M28: 36,931,825 km (0.119 R)
• M29: 41,510,118 km (0.09 R)
• M30: 53,525,071 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.1

Radius: 3.9

Gravity: 49.64 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.69 AU - 8.67 AU

Year: 13742 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,030,867 km

• M1: 48,470 km (0.036 R)
• M2: 176,825 km (0.08 R)
• M3: 303,684 km (0.048 R)
• M4: 560,094 km (0.101 R)
• M5: 812,167 km (0.056 R)
• M6: 1,238,820 km (0.091 R)
• M7: 1,390,961 km (0.114 R)
• M8: 1,602,642 km (0.119 R)
• M9: 3,096,227 km (0.106 R)
• M10: 4,356,589 km (0.069 R)
• M11: 5,962,373 km (0.065 R)
• M12: 6,237,034 km (0.073 R)
• M13: 7,068,499 km (0.109 R)
• M14: 7,784,924 km (0.042 R)
• M15: 8,548,471 km (0.112 R)
• M16: 10,112,517 km (0.059 R)
• M17: 10,961,784 km (0.079 R)
• M18: 11,196,054 km (0.074 R)
• M19: 12,354,690 km (0.116 R)
• M20: 13,997,873 km (0.101 R)
• M21: 14,135,353 km (0.103 R)
• M22: 14,694,101 km (0.088 R)
• M23: 16,079,976 km (0.094 R)
• M24: 16,688,690 km (0.081 R)
• M25: 17,233,675 km (0.102 R)
• M26: 23,161,042 km (0.03 R)
• M27: 23,741,182 km (0.064 R)
• M28: 24,034,843 km (0.074 R)
• M29: 24,829,955 km (0.111 R)
• M30: 26,472,390 km (0.094 R)
• M31: 30,892,559 km (0.094 R)
• M32: 32,188,974 km (0.111 R)
• M33: 35,524,109 km (0.103 R)
• M34: 39,355,011 km (0.098 R)
• M35: 39,628,925 km (0.095 R)
• M36: 40,319,169 km (0.068 R)
• M37: 45,377,672 km (0.077 R)
• M38: 57,607,148 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.4

Radius: 4.3

Gravity: 16.3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.42 AU - 9.98 AU

Year: 15161 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,030,867 km

• M1: 73,752 km (0.067 R)
• M2: 239,506 km (0.055 R)
• M3: 383,120 km (0.109 R)
• M4: 661,372 km (0.12 R)
• M5: 999,463 km (0.115 R)
• M6: 1,444,068 km (0.082 R)
• M7: 1,613,563 km (0.086 R)
• M8: 1,959,134 km (0.091 R)
• M9: 2,390,574 km (0.038 R)
• M10: 3,365,952 km (0.113 R)
• M11: 4,374,840 km (0.063 R)
• M12: 4,610,606 km (0.062 R)
• M13: 8,093,245 km (0.053 R)
• M14: 8,539,046 km (0.115 R)
• M15: 9,001,005 km (0.046 R)
• M16: 9,190,246 km (0.093 R)
• M17: 10,908,826 km (0.103 R)
• M18: 11,124,098 km (0.079 R)
• M19: 13,313,163 km (0.043 R)
• M20: 15,232,205 km (0.069 R)
• M21: 15,568,950 km (0.053 R)
• M22: 17,037,851 km (0.032 R)
• M23: 17,620,984 km (0.102 R)
• M24: 18,981,427 km (0.098 R)
• M25: 20,329,154 km (0.05 R)
• M26: 21,401,920 km (0.106 R)
• M27: 25,406,356 km (0.106 R)
• M28: 26,844,590 km (0.113 R)
• M29: 28,948,235 km (0.068 R)
• M30: 30,622,983 km (0.087 R)
• M31: 33,707,093 km (0.112 R)
• M32: 34,856,902 km (0.113 R)
• M33: 39,212,594 km (0.071 R)
• M34: 40,099,709 km (0.057 R)
• M35: 44,325,550 km (0.072 R)
• M36: 45,704,693 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.9

Radius: 5.2

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.7 AU - 11.32 AU

Year: 20449 Days

Day: 22.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,030,867 km

• M1: 92,751 km (0.084 R)
• M2: 325,226 km (0.118 R)
• M3: 610,958 km (0.114 R)
• M4: 1,064,538 km (0.101 R)
• M5: 1,686,417 km (0.111 R)
• M6: 3,128,690 km (0.119 R)
• M7: 3,635,527 km (0.058 R)
• M8: 4,526,981 km (0.102 R)
• M9: 4,843,381 km (0.058 R)
• M10: 5,073,462 km (0.103 R)
• M11: 8,962,558 km (0.086 R)
• M12: 11,296,285 km (0.087 R)
• M13: 13,101,333 km (0.081 R)
• M14: 13,743,407 km (0.108 R)
• M15: 14,951,709 km (0.076 R)
• M16: 15,159,799 km (0.119 R)
• M17: 15,652,724 km (0.084 R)
• M18: 18,516,925 km (0.12 R)
• M19: 18,918,147 km (0.082 R)
• M20: 21,359,734 km (0.085 R)
• M21: 24,288,860 km (0.087 R)
• M22: 26,249,490 km (0.114 R)
• M23: 28,631,686 km (0.057 R)
• M24: 30,482,212 km (0.036 R)
• M25: 31,041,409 km (0.116 R)
• M26: 33,110,946 km (0.078 R)
• M27: 37,907,053 km (0.104 R)
• M28: 40,671,622 km (0.058 R)
• M29: 44,850,040 km (0.057 R)
• M30: 50,697,671 km (0.085 R)
• M31: 53,398,362 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 15,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit