🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.1

Radius: 8.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.86 AU - 1.16 AU

Year: 688 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,066,965 km

• M1: 108,458 km (0.079 R)
• M2: 410,497 km (0.054 R)
• M3: 720,164 km (0.082 R)
• M4: 1,079,049 km (0.093 R)
• M5: 1,840,802 km (0.082 R)
• M6: 2,204,923 km (0.069 R)
• M7: 3,148,138 km (0.104 R)
• M8: 3,828,359 km (0.109 R)
• M9: 5,131,955 km (0.084 R)
• M10: 5,946,964 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.8

Radius: 12

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.89 AU - 1.21 AU

Year: 730 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,066,965 km

• M1: 149,299 km (0.096 R)
• M2: 580,290 km (0.103 R)
• M3: 1,004,400 km (0.05 R)
• M4: 1,389,465 km (0.108 R)
• M5: 1,944,174 km (0.108 R)
• M6: 2,474,947 km (0.062 R)
• M7: 3,211,268 km (0.038 R)
• M8: 3,678,911 km (0.108 R)
• M9: 4,266,830 km (0.049 R)
• M10: 4,850,561 km (0.062 R)
• M11: 5,309,528 km (0.099 R)
• M12: 5,872,315 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 11.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.99 AU - 1.11 AU

Year: 730 Days

Day: 11.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,066,965 km

• M1: 146,905 km (0.057 R)
• M2: 543,190 km (0.083 R)
• M3: 1,041,800 km (0.058 R)
• M4: 1,435,242 km (0.071 R)
• M5: 1,973,495 km (0.078 R)
• M6: 2,515,638 km (0.1 R)
• M7: 2,891,876 km (0.095 R)
• M8: 3,488,024 km (0.073 R)
• M9: 4,440,364 km (0.102 R)
• M10: 5,149,159 km (0.077 R)
• M11: 5,743,062 km (0.115 R)
• M12: 7,351,838 km (0.102 R)
• M13: 7,825,913 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.8

Radius: 9.5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1 AU - 1.54 AU

Year: 971 Days

Day: 7.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,066,965 km

• M1: 118,332 km (0.073 R)
• M2: 422,165 km (0.12 R)
• M3: 729,589 km (0.116 R)
• M4: 1,288,187 km (0.108 R)
• M5: 1,790,537 km (0.1 R)
• M6: 3,073,488 km (0.107 R)
• M7: 3,695,217 km (0.115 R)
• M8: 4,159,868 km (0.113 R)
• M9: 5,409,459 km (0.092 R)
• M10: 5,850,623 km (0.089 R)
• M11: 6,483,273 km (0.093 R)
• M12: 8,327,216 km (0.043 R)
• M13: 8,708,242 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755

Radius: 8.3

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.05 AU - 1.61 AU

Year: 1040 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,066,965 km

• M1: 103,223 km (0.107 R)
• M2: 426,354 km (0.118 R)
• M3: 712,684 km (0.072 R)
• M4: 1,131,857 km (0.116 R)
• M5: 1,467,555 km (0.088 R)
• M6: 2,365,591 km (0.116 R)
• M7: 2,933,913 km (0.116 R)
• M8: 3,760,890 km (0.087 R)
• M9: 4,052,158 km (0.077 R)
• M10: 4,735,221 km (0.047 R)
• M11: 5,094,855 km (0.094 R)
• M12: 5,554,419 km (0.056 R)
• M13: 6,284,158 km (0.096 R)
• M14: 6,648,877 km (0.071 R)
• M15: 7,933,175 km (0.069 R)
• M16: 8,885,964 km (0.099 R)
• M17: 9,641,732 km (0.078 R)
• M18: 10,439,687 km (0.094 R)
• M19: 10,758,032 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.4

Radius: 11.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.51 AU - 3.19 AU

Year: 3263 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 138.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,066,965 km

• M1: 139,425 km (0.073 R)
• M2: 624,272 km (0.045 R)
• M3: 1,119,590 km (0.075 R)
• M4: 1,704,817 km (0.106 R)
• M5: 2,125,487 km (0.113 R)
• M6: 2,500,379 km (0.093 R)
• M7: 2,872,578 km (0.037 R)
• M8: 3,421,004 km (0.087 R)
• M9: 4,198,913 km (0.05 R)
• M10: 4,795,210 km (0.086 R)
• M11: 5,820,404 km (0.079 R)
• M12: 7,487,373 km (0.111 R)
• M13: 7,981,196 km (0.112 R)
• M14: 9,883,034 km (0.117 R)
• M15: 11,698,404 km (0.088 R)
• M16: 15,529,456 km (0.105 R)
• M17: 17,219,164 km (0.071 R)
• M18: 18,080,997 km (0.104 R)
• M19: 18,858,607 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.6

Radius: 8.3

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.55 AU - 6.51 AU

Year: 8820 Days

Day: 12.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,066,965 km

• M1: 103,671 km (0.119 R)
• M2: 431,590 km (0.047 R)
• M3: 782,247 km (0.089 R)
• M4: 1,414,298 km (0.107 R)
• M5: 1,819,708 km (0.079 R)
• M6: 2,420,793 km (0.086 R)
• M7: 3,085,755 km (0.067 R)
• M8: 3,562,673 km (0.112 R)
• M9: 4,609,260 km (0.11 R)
• M10: 5,322,543 km (0.098 R)
• M11: 6,107,333 km (0.113 R)
• M12: 8,425,352 km (0.076 R)
• M13: 10,262,115 km (0.115 R)
• M14: 11,524,571 km (0.119 R)
• M15: 12,724,944 km (0.119 R)
• M16: 13,161,471 km (0.062 R)
• M17: 14,064,294 km (0.1 R)
• M18: 14,947,670 km (0.057 R)
• M19: 18,783,359 km (0.113 R)
• M20: 20,293,400 km (0.039 R)
• M21: 23,471,756 km (0.095 R)
• M22: 25,136,332 km (0.065 R)
• M23: 25,737,117 km (0.069 R)
• M24: 30,021,600 km (0.098 R)
• M25: 31,582,205 km (0.101 R)
• M26: 33,711,731 km (0.116 R)
• M27: 34,547,534 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.7

Radius: 6.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.62 AU - 6.96 AU

Year: 9450 Days

Day: 20.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,066,965 km

• M1: 210,035 km (0.034 R)
• M2: 436,676 km (0.113 R)
• M3: 1,105,229 km (0.077 R)
• M4: 1,415,345 km (0.099 R)
• M5: 2,305,453 km (0.1 R)
• M6: 2,558,872 km (0.07 R)
• M7: 4,261,146 km (0.11 R)
• M8: 4,844,727 km (0.032 R)
• M9: 5,959,979 km (0.065 R)
• M10: 7,148,684 km (0.114 R)
• M11: 10,133,909 km (0.078 R)
• M12: 10,586,144 km (0.059 R)
• M13: 11,857,875 km (0.066 R)
• M14: 13,496,720 km (0.114 R)
• M15: 15,477,396 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.2

Radius: 3.2

Gravity: 56.86 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.93 AU - 10.31 AU

Year: 18680 Days

Day: 21.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 71,066,965 km

• M1: 39,793 km (0.117 R)
• M2: 191,036 km (0.097 R)
• M3: 306,227 km (0.113 R)
• M4: 461,659 km (0.057 R)
• M5: 1,194,539 km (0.077 R)
• M6: 1,349,822 km (0.096 R)
• M7: 1,455,587 km (0.085 R)
• M8: 1,583,344 km (0.085 R)
• M9: 2,253,094 km (0.044 R)
• M10: 3,016,192 km (0.085 R)
• M11: 3,698,508 km (0.093 R)
• M12: 5,139,136 km (0.094 R)
• M13: 5,588,827 km (0.078 R)
• M14: 10,998,585 km (0.081 R)
• M15: 16,682,706 km (0.112 R)
• M16: 16,924,306 km (0.108 R)
• M17: 17,168,151 km (0.046 R)
• M18: 18,423,127 km (0.101 R)
• M19: 20,007,967 km (0.096 R)
• M20: 20,280,684 km (0.062 R)
• M21: 20,648,097 km (0.113 R)
• M22: 26,486,303 km (0.114 R)
• M23: 27,592,729 km (0.099 R)
• M24: 29,192,977 km (0.119 R)
• M25: 31,339,856 km (0.102 R)
• M26: 36,347,495 km (0.1 R)
• M27: 39,111,017 km (0.065 R)
• M28: 39,537,221 km (0.068 R)
• M29: 41,273,155 km (0.057 R)
• M30: 41,420,060 km (0.097 R)
• M31: 42,458,120 km (0.113 R)
• M32: 42,757,914 km (0.097 R)
• M33: 45,833,796 km (0.101 R)
• M34: 52,766,311 km (0.117 R)
• M35: 53,985,683 km (0.107 R)
• M36: 54,690,887 km (0.109 R)
• M37: 55,760,063 km (0.109 R)
• M38: 57,940,153 km (0.116 R)
• M39: 58,865,117 km (0.098 R)
• M40: 60,176,342 km (0.114 R)
• M41: 60,554,675 km (0.075 R)
• M42: 63,051,763 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.7

Radius: 3.7

Gravity: 39.2 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.16 AU - 11.18 AU

Year: 20395 Days

Day: 21 Hours

Environment

Temp: -236 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,066,965 km

• M1: 47,871 km (0.111 R)
• M2: 220,806 km (0.099 R)
• M3: 347,965 km (0.049 R)
• M4: 1,090,419 km (0.076 R)
• M5: 2,937,055 km (0.084 R)
• M6: 3,169,979 km (0.071 R)
• M7: 4,098,982 km (0.113 R)
• M8: 4,523,540 km (0.088 R)
• M9: 4,763,944 km (0.098 R)
• M10: 5,232,934 km (0.09 R)
• M11: 6,137,253 km (0.109 R)
• M12: 7,998,998 km (0.119 R)
• M13: 10,206,016 km (0.089 R)
• M14: 10,799,919 km (0.099 R)
• M15: 10,921,542 km (0.089 R)
• M16: 11,926,690 km (0.105 R)
• M17: 12,518,499 km (0.105 R)
• M18: 15,773,300 km (0.074 R)
• M19: 16,972,327 km (0.091 R)
• M20: 18,489,698 km (0.102 R)
• M21: 22,475,883 km (0.114 R)
• M22: 32,091,885 km (0.066 R)
• M23: 34,664,669 km (0.032 R)
• M24: 40,801,772 km (0.082 R)
• M25: 43,507,998 km (0.077 R)
• M26: 45,061,871 km (0.117 R)
• M27: 49,609,047 km (0.043 R)
• M28: 56,988,112 km (0.105 R)
• M29: 61,130,028 km (0.11 R)
• M30: 64,664,727 km (0.113 R)
• M31: 67,095,243 km (0.087 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 11,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit