🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525

Radius: 13.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.8 AU - 0.9 AU

Year: 498 Days

Day: 14.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,171,209 km

• M1: 170,691 km (0.116 R)
• M2: 632,350 km (0.102 R)
• M3: 1,135,448 km (0.07 R)
• M4: 1,565,392 km (0.102 R)
• M5: 2,279,273 km (0.111 R)
• M6: 3,236,400 km (0.035 R)
• M7: 4,035,403 km (0.104 R)
• M8: 5,101,287 km (0.069 R)
• M9: 5,534,224 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.7

Radius: 9.7

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.14 AU - 1.24 AU

Year: 825 Days

Day: 5.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,171,209 km

• M1: 120,725 km (0.058 R)
• M2: 554,859 km (0.091 R)
• M3: 896,241 km (0.05 R)
• M4: 1,274,574 km (0.075 R)
• M5: 2,016,430 km (0.12 R)
• M6: 2,563,210 km (0.109 R)
• M7: 2,909,379 km (0.107 R)
• M8: 3,667,541 km (0.116 R)
• M9: 4,093,297 km (0.064 R)
• M10: 4,434,230 km (0.074 R)
• M11: 5,136,144 km (0.098 R)
• M12: 5,456,283 km (0.06 R)
• M13: 6,178,392 km (0.117 R)
• M14: 6,872,526 km (0.066 R)
• M15: 8,782,143 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 9.8

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.95 AU - 1.59 AU

Year: 910 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,171,209 km

• M1: 123,867 km (0.096 R)
• M2: 457,171 km (0.11 R)
• M3: 786,436 km (0.1 R)
• M4: 1,507,797 km (0.11 R)
• M5: 1,834,369 km (0.071 R)
• M6: 2,370,079 km (0.083 R)
• M7: 2,803,763 km (0.056 R)
• M8: 3,724,538 km (0.12 R)
• M9: 4,164,655 km (0.082 R)
• M10: 4,604,024 km (0.111 R)
• M11: 5,263,451 km (0.092 R)
• M12: 6,792,940 km (0.093 R)
• M13: 7,796,742 km (0.081 R)
• M14: 8,386,905 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 10.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.09 AU - 3.15 AU

Year: 2696 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,171,209 km

• M1: 133,740 km (0.104 R)
• M2: 688,898 km (0.116 R)
• M3: 1,115,402 km (0.075 R)
• M4: 1,718,132 km (0.052 R)
• M5: 2,347,490 km (0.107 R)
• M6: 2,686,778 km (0.114 R)
• M7: 3,026,963 km (0.099 R)
• M8: 5,255,224 km (0.117 R)
• M9: 6,944,932 km (0.116 R)
• M10: 7,381,458 km (0.046 R)
• M11: 7,960,701 km (0.114 R)
• M12: 8,669,047 km (0.08 R)
• M13: 9,141,178 km (0.051 R)
• M14: 11,402,499 km (0.095 R)
• M15: 13,381,978 km (0.084 R)
• M16: 14,336,712 km (0.075 R)
• M17: 15,679,353 km (0.051 R)
• M18: 16,999,704 km (0.081 R)
• M19: 17,367,415 km (0.088 R)
• M20: 18,118,995 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 12.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.28 AU - 4.06 AU

Year: 4470 Days

Day: 9.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 123.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,171,209 km

• M1: 157,975 km (0.055 R)
• M2: 753,076 km (0.058 R)
• M3: 1,172,548 km (0.08 R)
• M4: 1,913,955 km (0.112 R)
• M5: 2,697,549 km (0.111 R)
• M6: 3,877,427 km (0.107 R)
• M7: 7,720,896 km (0.079 R)
• M8: 8,635,836 km (0.108 R)
• M9: 9,049,474 km (0.114 R)
• M10: 10,997,687 km (0.113 R)
• M11: 17,391,351 km (0.118 R)
• M12: 19,780,130 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.1

Radius: 8.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.64 AU - 4.98 AU

Year: 6707 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,171,209 km

• M1: 104,868 km (0.116 R)
• M2: 1,155,793 km (0.095 R)
• M3: 1,639,293 km (0.029 R)
• M4: 2,066,096 km (0.114 R)
• M5: 3,024,271 km (0.091 R)
• M6: 3,980,051 km (0.118 R)
• M7: 5,273,624 km (0.095 R)
• M8: 10,669,769 km (0.102 R)
• M9: 11,632,880 km (0.034 R)
• M10: 12,614,092 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.9

Radius: 7.5

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.17 AU - 6.59 AU

Year: 10246 Days

Day: 16.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,171,209 km

• M1: 93,349 km (0.111 R)
• M2: 417,079 km (0.108 R)
• M3: 723,754 km (0.11 R)
• M4: 971,638 km (0.116 R)
• M5: 1,366,577 km (0.094 R)
• M6: 1,631,664 km (0.064 R)
• M7: 1,947,914 km (0.089 R)
• M8: 2,479,435 km (0.094 R)
• M9: 2,747,365 km (0.087 R)
• M10: 4,159,569 km (0.076 R)
• M11: 5,103,831 km (0.085 R)
• M12: 6,798,026 km (0.106 R)
• M13: 8,372,245 km (0.074 R)
• M14: 9,268,635 km (0.115 R)
• M15: 9,917,890 km (0.085 R)
• M16: 10,975,397 km (0.032 R)
• M17: 12,400,467 km (0.094 R)
• M18: 16,603,868 km (0.112 R)
• M19: 18,866,087 km (0.082 R)
• M20: 20,817,740 km (0.057 R)
• M21: 23,807,753 km (0.1 R)
• M22: 24,084,509 km (0.101 R)
• M23: 25,693,883 km (0.087 R)
• M24: 26,180,675 km (0.092 R)
• M25: 32,059,272 km (0.054 R)
• M26: 36,026,309 km (0.08 R)
• M27: 36,269,405 km (0.101 R)
• M28: 37,876,086 km (0.039 R)
• M29: 39,658,844 km (0.086 R)
• M30: 41,630,245 km (0.039 R)
• M31: 46,195,374 km (0.067 R)
• M32: 47,204,860 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968

Radius: 6.8

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.5 AU - 8.16 AU

Year: 11349 Days

Day: 17.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,171,209 km

• M1: 104,569 km (0.079 R)
• M2: 397,781 km (0.115 R)
• M3: 715,377 km (0.058 R)
• M4: 1,196,933 km (0.085 R)
• M5: 1,726,359 km (0.067 R)
• M6: 1,981,573 km (0.114 R)
• M7: 2,223,174 km (0.113 R)
• M8: 2,505,316 km (0.12 R)
• M9: 3,342,166 km (0.117 R)
• M10: 3,938,014 km (0.09 R)
• M11: 4,414,334 km (0.026 R)
• M12: 4,995,073 km (0.101 R)
• M13: 5,481,266 km (0.03 R)
• M14: 7,258,788 km (0.059 R)
• M15: 8,396,928 km (0.086 R)
• M16: 9,134,296 km (0.119 R)
• M17: 10,183,426 km (0.116 R)
• M18: 10,850,334 km (0.098 R)
• M19: 13,090,113 km (0.071 R)
• M20: 14,080,002 km (0.08 R)
• M21: 15,985,879 km (0.112 R)
• M22: 16,506,928 km (0.095 R)
• M23: 16,809,565 km (0.11 R)
• M24: 17,426,058 km (0.119 R)
• M25: 22,539,612 km (0.079 R)
• M26: 24,739,000 km (0.095 R)
• M27: 26,145,519 km (0.09 R)
• M28: 29,227,235 km (0.103 R)
• M29: 30,005,892 km (0.096 R)
• M30: 31,604,345 km (0.028 R)
• M31: 34,352,309 km (0.11 R)
• M32: 56,104,288 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.9

Radius: 4

Gravity: 50.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.9 AU - 7.98 AU

Year: 12903 Days

Day: 18.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,171,209 km

• M1: 51,312 km (0.101 R)
• M2: 282,441 km (0.119 R)
• M3: 430,393 km (0.107 R)
• M4: 1,070,223 km (0.088 R)
• M5: 1,561,951 km (0.11 R)
• M6: 2,785,213 km (0.113 R)
• M7: 3,095,030 km (0.099 R)
• M8: 3,755,056 km (0.092 R)
• M9: 3,897,473 km (0.087 R)
• M10: 4,315,899 km (0.087 R)
• M11: 5,712,993 km (0.058 R)
• M12: 6,412,064 km (0.105 R)
• M13: 7,610,044 km (0.112 R)
• M14: 8,071,852 km (0.076 R)
• M15: 8,213,970 km (0.118 R)
• M16: 9,889,616 km (0.111 R)
• M17: 12,334,793 km (0.11 R)
• M18: 13,166,258 km (0.104 R)
• M19: 15,011,398 km (0.11 R)
• M20: 15,662,897 km (0.089 R)
• M21: 16,107,652 km (0.092 R)
• M22: 18,622,242 km (0.12 R)
• M23: 19,289,449 km (0.046 R)
• M24: 20,495,207 km (0.111 R)
• M25: 23,437,947 km (0.05 R)
• M26: 24,215,407 km (0.091 R)
• M27: 27,071,679 km (0.05 R)
• M28: 28,580,524 km (0.094 R)
• M29: 29,579,538 km (0.115 R)
• M30: 29,804,683 km (0.099 R)
• M31: 33,931,789 km (0.094 R)
• M32: 36,841,617 km (0.03 R)
• M33: 42,148,452 km (0.108 R)
• M34: 53,075,380 km (0.078 R)
• M35: 55,945,564 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 18,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit