🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.3

Radius: 11.5

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.73 AU - 0.75 AU

Year: 418 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,731,810 km

• M1: 143,315 km (0.068 R)
• M2: 590,612 km (0.102 R)
• M3: 1,006,195 km (0.09 R)
• M4: 1,440,627 km (0.063 R)
• M5: 1,865,485 km (0.106 R)
• M6: 2,283,163 km (0.107 R)
• M7: 2,909,978 km (0.104 R)
• M8: 3,276,193 km (0.06 R)
• M9: 3,635,976 km (0.054 R)
• M10: 4,143,562 km (0.076 R)
• M11: 4,985,798 km (0.109 R)
• M12: 5,464,361 km (0.118 R)
• M13: 5,956,090 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 14.4

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.8 AU - 1 AU

Year: 560 Days

Day: 14.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,731,810 km

• M1: 179,069 km (0.112 R)
• M2: 686,056 km (0.03 R)
• M3: 1,195,287 km (0.094 R)
• M4: 2,741,979 km (0.078 R)
• M5: 3,197,056 km (0.069 R)
• M6: 5,305,788 km (0.097 R)
• M7: 5,984,812 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.8

Radius: 11.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.76 AU - 2.14 AU

Year: 1786 Days

Day: 8.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,731,810 km

• M1: 147,952 km (0.113 R)
• M2: 768,185 km (0.103 R)
• M3: 1,179,579 km (0.106 R)
• M4: 1,892,862 km (0.091 R)
• M5: 2,330,136 km (0.076 R)
• M6: 3,211,417 km (0.108 R)
• M7: 3,995,610 km (0.085 R)
• M8: 4,605,969 km (0.117 R)
• M9: 5,450,150 km (0.12 R)
• M10: 5,921,084 km (0.069 R)
• M11: 7,311,147 km (0.101 R)
• M12: 8,226,387 km (0.084 R)
• M13: 8,817,298 km (0.097 R)
• M14: 10,250,596 km (0.045 R)
• M15: 11,288,955 km (0.078 R)
• M16: 11,982,041 km (0.118 R)
• M17: 12,587,464 km (0.11 R)
• M18: 13,253,025 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 12.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.72 AU - 2.6 AU

Year: 2083 Days

Day: 13 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,731,810 km

• M1: 153,039 km (0.097 R)
• M2: 573,409 km (0.104 R)
• M3: 1,192,893 km (0.115 R)
• M4: 1,864,887 km (0.063 R)
• M5: 3,191,072 km (0.088 R)
• M6: 4,073,101 km (0.117 R)
• M7: 4,707,695 km (0.112 R)
• M8: 5,173,543 km (0.115 R)
• M9: 5,714,938 km (0.037 R)
• M10: 7,488,421 km (0.072 R)
• M11: 9,540,155 km (0.119 R)
• M12: 13,244,199 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.3

Radius: 12.4

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.95 AU - 2.47 AU

Year: 2155 Days

Day: 7.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 138.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,731,810 km

• M1: 154,385 km (0.079 R)
• M2: 582,085 km (0.115 R)
• M3: 1,116,299 km (0.077 R)
• M4: 1,526,347 km (0.083 R)
• M5: 2,184,279 km (0.086 R)
• M6: 2,995,997 km (0.114 R)
• M7: 3,576,885 km (0.063 R)
• M8: 4,177,670 km (0.065 R)
• M9: 5,828,632 km (0.098 R)
• M10: 7,359,916 km (0.082 R)
• M11: 10,071,527 km (0.109 R)
• M12: 11,926,690 km (0.105 R)
• M13: 12,682,758 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.8

Radius: 14.1

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.41 AU - 3.51 AU

Year: 4222 Days

Day: 10.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,731,810 km

• M1: 175,329 km (0.115 R)
• M2: 1,189,153 km (0.114 R)
• M3: 3,788,267 km (0.062 R)
• M4: 4,487,787 km (0.116 R)
• M5: 4,976,822 km (0.093 R)
• M6: 5,482,164 km (0.092 R)
• M7: 5,939,634 km (0.066 R)
• M8: 7,161,699 km (0.041 R)
• M9: 8,183,901 km (0.077 R)
• M10: 8,837,045 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673

Radius: 10.9

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.26 AU - 5.78 AU

Year: 7378 Days

Day: 6.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,731,810 km

• M1: 135,536 km (0.109 R)
• M2: 474,524 km (0.03 R)
• M3: 881,879 km (0.045 R)
• M4: 1,235,678 km (0.069 R)
• M5: 1,672,953 km (0.113 R)
• M6: 2,749,609 km (0.114 R)
• M7: 3,112,085 km (0.071 R)
• M8: 3,983,941 km (0.072 R)
• M9: 5,618,896 km (0.092 R)
• M10: 6,072,926 km (0.106 R)
• M11: 6,412,214 km (0.055 R)
• M12: 6,981,433 km (0.103 R)
• M13: 7,858,376 km (0.088 R)
• M14: 9,647,267 km (0.079 R)
• M15: 10,491,598 km (0.077 R)
• M16: 12,327,164 km (0.08 R)
• M17: 13,208,146 km (0.067 R)
• M18: 14,607,783 km (0.069 R)
• M19: 17,156,183 km (0.045 R)
• M20: 18,253,932 km (0.117 R)
• M21: 19,691,269 km (0.049 R)
• M22: 20,062,122 km (0.08 R)
• M23: 21,358,088 km (0.056 R)
• M24: 22,627,875 km (0.102 R)
• M25: 23,947,328 km (0.116 R)
• M26: 25,317,495 km (0.115 R)
• M27: 28,401,455 km (0.079 R)
• M28: 30,229,691 km (0.098 R)
• M29: 34,762,506 km (0.115 R)
• M30: 36,628,889 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.8

Radius: 7.3

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.17 AU - 9.03 AU

Year: 13745 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,731,810 km

• M1: 90,956 km (0.057 R)
• M2: 576,550 km (0.09 R)
• M3: 1,098,796 km (0.113 R)
• M4: 1,432,400 km (0.119 R)
• M5: 1,994,140 km (0.069 R)
• M6: 2,346,592 km (0.059 R)
• M7: 3,520,187 km (0.07 R)
• M8: 3,888,348 km (0.084 R)
• M9: 6,008,898 km (0.071 R)
• M10: 8,252,118 km (0.093 R)
• M11: 11,664,894 km (0.102 R)
• M12: 12,291,559 km (0.066 R)
• M13: 16,376,329 km (0.1 R)
• M14: 22,504,606 km (0.084 R)
• M15: 25,394,538 km (0.046 R)
• M16: 29,658,227 km (0.028 R)
• M17: 33,996,415 km (0.097 R)
• M18: 35,661,440 km (0.099 R)
• M19: 49,674,272 km (0.088 R)
• M20: 54,880,727 km (0.086 R)
• M21: 55,928,810 km (0.112 R)
• M22: 59,152,793 km (0.116 R)
• M23: 59,885,823 km (0.071 R)
• M24: 63,258,956 km (0.025 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.3

Radius: 3.4

Gravity: 25.8 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.07 AU - 9.37 AU

Year: 18366 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,731,810 km

• M1: 54,603 km (0.064 R)
• M2: 1,633,010 km (0.071 R)
• M3: 2,182,184 km (0.081 R)
• M4: 2,437,099 km (0.075 R)
• M5: 2,890,530 km (0.045 R)
• M6: 6,253,490 km (0.081 R)
• M7: 11,338,172 km (0.111 R)
• M8: 18,716,788 km (0.117 R)
• M9: 20,110,591 km (0.064 R)
• M10: 21,048,570 km (0.05 R)
• M11: 23,287,751 km (0.085 R)
• M12: 33,242,592 km (0.05 R)
• M13: 35,157,594 km (0.08 R)
• M14: 38,683,317 km (0.058 R)
• M15: 48,211,355 km (0.101 R)
• M16: 52,073,373 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577

Radius: 5.6

Gravity: 18.4 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 9.88 AU - 12.32 AU

Year: 24260 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 167.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,731,810 km

• M1: 69,713 km (0.072 R)
• M2: 675,135 km (0.099 R)
• M3: 999,763 km (0.091 R)
• M4: 1,255,874 km (0.106 R)
• M5: 2,318,917 km (0.12 R)
• M6: 3,004,374 km (0.096 R)
• M7: 4,008,026 km (0.089 R)
• M8: 4,376,037 km (0.028 R)
• M9: 4,951,091 km (0.117 R)
• M10: 5,179,377 km (0.119 R)
• M11: 6,699,142 km (0.08 R)
• M12: 6,884,644 km (0.089 R)
• M13: 9,271,178 km (0.072 R)
• M14: 12,227,232 km (0.095 R)
• M15: 14,564,998 km (0.097 R)
• M16: 14,955,299 km (0.08 R)
• M17: 18,880,298 km (0.04 R)
• M18: 26,202,665 km (0.094 R)
• M19: 26,547,937 km (0.043 R)
• M20: 27,013,187 km (0.111 R)
• M21: 30,804,595 km (0.094 R)
• M22: 39,421,881 km (0.113 R)
• M23: 42,828,524 km (0.052 R)
• M24: 49,515,698 km (0.08 R)
• M25: 57,251,704 km (0.081 R)
• M26: 73,453,901 km (0.1 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: 203 - 11,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit