🌌 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: 685.4

Radius: 8.8

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.62 AU - 0.76 AU

Year: 396 Days

Day: 11.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,107,240 km

• M1: 109,655 km (0.095 R)
• M2: 406,457 km (0.086 R)
• M3: 854,802 km (0.106 R)
• M4: 1,886,579 km (0.069 R)
• M5: 2,197,593 km (0.099 R)
• M6: 2,523,866 km (0.089 R)
• M7: 2,892,924 km (0.089 R)
• M8: 3,580,326 km (0.034 R)
• M9: 3,866,357 km (0.119 R)
• M10: 4,877,339 km (0.102 R)
• M11: 5,436,536 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.8

Radius: 9.2

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.66 AU - 1.06 AU

Year: 551 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,107,240 km

• M1: 114,592 km (0.07 R)
• M2: 481,855 km (0.085 R)
• M3: 834,307 km (0.089 R)
• M4: 1,134,999 km (0.054 R)
• M5: 1,454,390 km (0.112 R)
• M6: 2,861,807 km (0.116 R)
• M7: 3,828,808 km (0.115 R)
• M8: 4,683,012 km (0.068 R)
• M9: 5,081,241 km (0.059 R)
• M10: 5,381,783 km (0.109 R)
• M11: 5,694,293 km (0.079 R)
• M12: 6,336,816 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.9

Radius: 13.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.6 AU - 1.9 AU

Year: 1598 Days

Day: 13.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,107,240 km

• M1: 165,605 km (0.117 R)
• M2: 695,331 km (0.089 R)
• M3: 1,605,784 km (0.039 R)
• M4: 2,033,633 km (0.079 R)
• M5: 2,912,671 km (0.08 R)
• M6: 4,081,329 km (0.101 R)
• M7: 5,260,011 km (0.085 R)
• M8: 6,201,281 km (0.092 R)
• M9: 7,227,372 km (0.089 R)
• M10: 9,117,541 km (0.1 R)
• M11: 10,286,499 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.7

Radius: 10.2

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.84 AU - 4.98 AU

Year: 6392 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,107,240 km

• M1: 126,859 km (0.071 R)
• M2: 448,046 km (0.115 R)
• M3: 840,740 km (0.103 R)
• M4: 1,300,005 km (0.054 R)
• M5: 2,244,267 km (0.026 R)
• M6: 2,563,958 km (0.039 R)
• M7: 3,810,108 km (0.114 R)
• M8: 5,328,676 km (0.104 R)
• M9: 7,523,726 km (0.07 R)
• M10: 8,083,222 km (0.068 R)
• M11: 10,024,105 km (0.084 R)
• M12: 13,722,762 km (0.076 R)
• M13: 14,865,241 km (0.083 R)
• M14: 17,338,543 km (0.095 R)
• M15: 17,752,779 km (0.115 R)
• M16: 19,550,048 km (0.113 R)
• M17: 20,530,961 km (0.089 R)
• M18: 22,509,393 km (0.092 R)
• M19: 28,528,464 km (0.115 R)
• M20: 39,204,815 km (0.108 R)
• M21: 39,799,167 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 9.7

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.31 AU - 5.45 AU

Year: 8614 Days

Day: 7.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,107,240 km

• M1: 120,576 km (0.112 R)
• M2: 554,111 km (0.103 R)
• M3: 952,938 km (0.084 R)
• M4: 1,698,085 km (0.026 R)
• M5: 2,304,705 km (0.077 R)
• M6: 2,962,038 km (0.085 R)
• M7: 5,867,528 km (0.111 R)
• M8: 7,090,041 km (0.108 R)
• M9: 9,301,696 km (0.069 R)
• M10: 17,593,458 km (0.093 R)
• M11: 18,936,996 km (0.098 R)
• M12: 21,243,346 km (0.028 R)
• M13: 24,178,756 km (0.064 R)
• M14: 25,743,400 km (0.102 R)
• M15: 26,694,543 km (0.102 R)
• M16: 29,073,000 km (0.111 R)
• M17: 29,482,599 km (0.077 R)
• M18: 30,000,207 km (0.069 R)
• M19: 31,160,040 km (0.077 R)
• M20: 37,532,460 km (0.074 R)
• M21: 38,140,426 km (0.094 R)
• M22: 38,878,691 km (0.119 R)
• M23: 45,268,316 km (0.103 R)
• M24: 46,513,419 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.2

Radius: 6.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.83 AU - 8.01 AU

Year: 11228 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,107,240 km

• M1: 114,742 km (0.063 R)
• M2: 345,421 km (0.117 R)
• M3: 898,784 km (0.042 R)
• M4: 1,112,260 km (0.074 R)
• M5: 1,348,475 km (0.076 R)
• M6: 2,999,587 km (0.099 R)
• M7: 3,783,031 km (0.094 R)
• M8: 4,146,853 km (0.082 R)
• M9: 5,840,899 km (0.067 R)
• M10: 6,195,297 km (0.08 R)
• M11: 7,308,006 km (0.085 R)
• M12: 8,225,789 km (0.107 R)
• M13: 9,347,773 km (0.074 R)
• M14: 9,566,185 km (0.108 R)
• M15: 11,840,821 km (0.103 R)
• M16: 14,106,930 km (0.088 R)
• M17: 24,463,740 km (0.116 R)
• M18: 25,215,020 km (0.111 R)
• M19: 26,763,807 km (0.115 R)
• M20: 29,018,397 km (0.101 R)
• M21: 33,187,540 km (0.119 R)
• M22: 33,799,245 km (0.092 R)
• M23: 35,255,880 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.6

Radius: 3.4

Gravity: 25.48 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.98 AU - 10.78 AU

Year: 19830 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,107,240 km

• M1: 42,336 km (0.102 R)
• M2: 153,787 km (0.115 R)
• M3: 280,496 km (0.064 R)
• M4: 485,295 km (0.037 R)
• M5: 754,871 km (0.069 R)
• M6: 1,308,383 km (0.059 R)
• M7: 1,552,377 km (0.086 R)
• M8: 1,661,434 km (0.067 R)
• M9: 2,226,316 km (0.109 R)
• M10: 3,917,968 km (0.115 R)
• M11: 4,062,181 km (0.064 R)
• M12: 4,361,376 km (0.11 R)
• M13: 6,042,856 km (0.076 R)
• M14: 6,313,778 km (0.109 R)
• M15: 8,019,942 km (0.111 R)
• M16: 10,389,423 km (0.113 R)
• M17: 11,941,949 km (0.12 R)
• M18: 12,994,969 km (0.092 R)
• M19: 15,001,525 km (0.081 R)
• M20: 15,858,870 km (0.03 R)
• M21: 17,436,829 km (0.118 R)
• M22: 21,341,632 km (0.073 R)
• M23: 25,489,981 km (0.106 R)
• M24: 25,790,972 km (0.119 R)
• M25: 27,018,572 km (0.103 R)
• M26: 27,858,265 km (0.101 R)
• M27: 28,607,002 km (0.032 R)
• M28: 37,232,367 km (0.106 R)
• M29: 43,328,929 km (0.056 R)
• M30: 47,288,485 km (0.11 R)
• M31: 50,845,923 km (0.102 R)
• M32: 56,255,531 km (0.082 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: 432 - 20,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit