🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 11.3

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.66 AU - 0.72 AU

Year: 364 Days

Day: 12.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,100,492 km

• M1: 140,472 km (0.115 R)
• M2: 528,978 km (0.053 R)
• M3: 900,280 km (0.072 R)
• M4: 1,258,716 km (0.074 R)
• M5: 1,622,688 km (0.109 R)
• M6: 2,142,092 km (0.082 R)
• M7: 2,541,967 km (0.09 R)
• M8: 3,057,182 km (0.039 R)
• M9: 3,555,193 km (0.069 R)
• M10: 4,026,576 km (0.056 R)
• M11: 4,410,744 km (0.043 R)
• M12: 4,789,525 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 11.2

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.74 AU - 0.74 AU

Year: 405 Days

Day: 6.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,100,492 km

• M1: 139,575 km (0.109 R)
• M2: 494,421 km (0.068 R)
• M3: 930,948 km (0.119 R)
• M4: 1,291,329 km (0.082 R)
• M5: 1,656,048 km (0.111 R)
• M6: 2,098,858 km (0.103 R)
• M7: 2,736,594 km (0.102 R)
• M8: 3,204,835 km (0.098 R)
• M9: 3,925,149 km (0.116 R)
• M10: 4,593,403 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.2

Radius: 9.9

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.82 AU - 0.84 AU

Year: 481 Days

Day: 7.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,100,492 km

• M1: 123,119 km (0.101 R)
• M2: 439,070 km (0.11 R)
• M3: 819,048 km (0.112 R)
• M4: 1,213,388 km (0.118 R)
• M5: 1,820,606 km (0.115 R)
• M6: 2,437,398 km (0.096 R)
• M7: 2,789,701 km (0.07 R)
• M8: 3,128,690 km (0.108 R)
• M9: 3,676,218 km (0.054 R)
• M10: 4,616,141 km (0.114 R)
• M11: 5,027,685 km (0.112 R)
• M12: 5,673,350 km (0.101 R)
• M13: 6,508,255 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 9.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.02 AU - 1.34 AU

Year: 815 Days

Day: 11.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,100,492 km

• M1: 115,789 km (0.094 R)
• M2: 434,881 km (0.109 R)
• M3: 757,713 km (0.067 R)
• M4: 1,064,838 km (0.093 R)
• M5: 1,927,868 km (0.063 R)
• M6: 2,222,725 km (0.056 R)
• M7: 2,547,801 km (0.103 R)
• M8: 2,926,733 km (0.075 R)
• M9: 3,490,567 km (0.077 R)
• M10: 4,167,198 km (0.038 R)
• M11: 5,008,238 km (0.078 R)
• M12: 5,520,161 km (0.115 R)
• M13: 6,121,545 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 12.9

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.1 AU - 2.18 AU

Year: 1990 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,100,492 km

• M1: 163,660 km (0.102 R)
• M2: 589,715 km (0.083 R)
• M3: 1,349,223 km (0.082 R)
• M4: 1,893,909 km (0.104 R)
• M5: 2,349,883 km (0.112 R)
• M6: 3,004,524 km (0.106 R)
• M7: 3,541,730 km (0.102 R)
• M8: 4,723,553 km (0.044 R)
• M9: 5,405,719 km (0.06 R)
• M10: 8,039,090 km (0.047 R)
• M11: 8,912,592 km (0.083 R)
• M12: 10,064,945 km (0.054 R)
• M13: 14,534,929 km (0.118 R)
• M14: 15,830,746 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.7

Radius: 12.2

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.4 AU - 4.6 AU

Year: 5087 Days

Day: 7.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,100,492 km

• M1: 151,991 km (0.11 R)
• M2: 566,078 km (0.085 R)
• M3: 1,751,043 km (0.115 R)
• M4: 3,679,210 km (0.109 R)
• M5: 4,810,918 km (0.041 R)
• M6: 5,354,706 km (0.104 R)
• M7: 6,477,887 km (0.041 R)
• M8: 8,052,853 km (0.12 R)
• M9: 11,509,163 km (0.108 R)
• M10: 16,173,026 km (0.118 R)
• M11: 19,591,487 km (0.116 R)
• M12: 20,659,616 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.9

Radius: 13

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.89 AU - 4.23 AU

Year: 5201 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,100,492 km

• M1: 161,715 km (0.112 R)
• M2: 901,028 km (0.103 R)
• M3: 1,361,789 km (0.118 R)
• M4: 1,996,683 km (0.107 R)
• M5: 2,432,312 km (0.084 R)
• M6: 2,895,467 km (0.119 R)
• M7: 3,626,851 km (0.11 R)
• M8: 4,117,981 km (0.083 R)
• M9: 4,577,844 km (0.069 R)
• M10: 5,346,179 km (0.068 R)
• M11: 6,015,181 km (0.102 R)
• M12: 6,739,534 km (0.064 R)
• M13: 7,451,021 km (0.12 R)
• M14: 9,104,377 km (0.09 R)
• M15: 9,553,470 km (0.106 R)
• M16: 10,540,516 km (0.116 R)
• M17: 11,406,239 km (0.099 R)
• M18: 13,176,132 km (0.066 R)
• M19: 14,398,795 km (0.088 R)
• M20: 15,009,603 km (0.077 R)
• M21: 17,627,865 km (0.106 R)
• M22: 20,536,945 km (0.042 R)
• M23: 22,105,479 km (0.086 R)
• M24: 22,620,844 km (0.117 R)
• M25: 23,295,380 km (0.05 R)
• M26: 28,658,614 km (0.072 R)
• M27: 29,183,553 km (0.089 R)
• M28: 30,162,820 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.74 AU - 5.98 AU

Year: 6812 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,100,492 km

• M1: 189,391 km (0.049 R)
• M2: 969,843 km (0.073 R)
• M3: 1,648,868 km (0.114 R)
• M4: 2,425,879 km (0.035 R)
• M5: 2,920,001 km (0.097 R)
• M6: 4,475,071 km (0.053 R)
• M7: 4,967,397 km (0.041 R)
• M8: 6,259,773 km (0.102 R)
• M9: 6,913,815 km (0.107 R)
• M10: 7,804,820 km (0.119 R)
• M11: 11,138,609 km (0.047 R)
• M12: 11,997,749 km (0.098 R)
• M13: 12,684,104 km (0.073 R)
• M14: 14,193,547 km (0.115 R)
• M15: 15,325,703 km (0.098 R)
• M16: 16,197,709 km (0.102 R)
• M17: 17,102,627 km (0.077 R)
• M18: 18,041,054 km (0.092 R)
• M19: 19,297,677 km (0.12 R)
• M20: 20,612,043 km (0.069 R)
• M21: 22,614,860 km (0.116 R)
• M22: 28,184,987 km (0.103 R)
• M23: 31,534,034 km (0.082 R)
• M24: 33,769,924 km (0.11 R)
• M25: 34,292,469 km (0.114 R)
• M26: 35,676,549 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.6

Radius: 8.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.12 AU - 5.44 AU

Year: 7714 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,100,492 km

• M1: 109,506 km (0.036 R)
• M2: 419,173 km (0.114 R)
• M3: 839,543 km (0.113 R)
• M4: 1,416,542 km (0.104 R)
• M5: 2,174,555 km (0.116 R)
• M6: 3,414,422 km (0.119 R)
• M7: 4,469,236 km (0.08 R)
• M8: 5,071,667 km (0.114 R)
• M9: 5,727,354 km (0.098 R)
• M10: 7,009,259 km (0.069 R)
• M11: 8,504,489 km (0.103 R)
• M12: 9,225,551 km (0.052 R)
• M13: 10,057,914 km (0.113 R)
• M14: 12,234,712 km (0.069 R)
• M15: 13,368,215 km (0.116 R)
• M16: 14,661,938 km (0.094 R)
• M17: 15,315,531 km (0.095 R)
• M18: 17,085,423 km (0.058 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.9

Radius: 6

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.46 AU - 9.04 AU

Year: 16457 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,100,492 km

• M1: 75,846 km (0.103 R)
• M2: 493,224 km (0.104 R)
• M3: 710,889 km (0.085 R)
• M4: 1,450,202 km (0.053 R)
• M5: 1,945,371 km (0.094 R)
• M6: 2,172,610 km (0.101 R)
• M7: 3,162,499 km (0.116 R)
• M8: 3,960,903 km (0.11 R)
• M9: 4,487,338 km (0.076 R)
• M10: 5,754,731 km (0.095 R)
• M11: 7,244,277 km (0.106 R)
• M12: 9,233,929 km (0.109 R)
• M13: 12,246,530 km (0.108 R)
• M14: 12,696,521 km (0.097 R)
• M15: 14,464,768 km (0.115 R)
• M16: 15,705,981 km (0.102 R)
• M17: 17,657,785 km (0.066 R)
• M18: 19,504,122 km (0.101 R)
• M19: 20,117,772 km (0.079 R)
• M20: 26,762,760 km (0.111 R)
• M21: 34,607,223 km (0.107 R)
• M22: 35,376,456 km (0.059 R)
• M23: 43,855,364 km (0.058 R)
• M24: 47,689,258 km (0.054 R)
• M25: 48,801,369 km (0.042 R)
• M26: 49,606,355 km (0.107 R)
• M27: 55,840,098 km (0.111 R)
• M28: 57,610,290 km (0.052 R)
• M29: 60,705,021 km (0.102 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: 514 - 13,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit