🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.2

Radius: 14.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.54 AU - 0.54 AU

Year: 269 Days

Day: 13.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,180,902 km

• M1: 200,910 km (0.07 R)
• M2: 591,211 km (0.09 R)
• M3: 1,286,542 km (0.041 R)
• M4: 1,569,132 km (0.099 R)
• M5: 2,125,487 km (0.071 R)
• M6: 2,559,320 km (0.048 R)
• M7: 2,877,216 km (0.072 R)
• M8: 3,557,737 km (0.099 R)
• M9: 4,032,261 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 12.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.56 AU - 0.9 AU

Year: 423 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,180,902 km

• M1: 157,227 km (0.111 R)
• M2: 493,374 km (0.068 R)
• M3: 840,590 km (0.095 R)
• M4: 1,178,981 km (0.08 R)
• M5: 1,568,534 km (0.101 R)
• M6: 1,804,599 km (0.068 R)
• M7: 2,170,516 km (0.095 R)
• M8: 2,799,425 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.5

Radius: 11.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.89 AU - 0.95 AU

Year: 599 Days

Day: 7.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,180,902 km

• M1: 150,645 km (0.034 R)
• M2: 468,092 km (0.096 R)
• M3: 1,119,890 km (0.107 R)
• M4: 1,664,127 km (0.093 R)
• M5: 2,365,741 km (0.116 R)
• M6: 2,820,518 km (0.11 R)
• M7: 3,325,261 km (0.108 R)
• M8: 3,644,204 km (0.112 R)
• M9: 4,093,447 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 10.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.2 AU - 1.74 AU

Year: 1209 Days

Day: 7.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,180,902 km

• M1: 273,315 km (0.106 R)
• M2: 536,009 km (0.072 R)
• M3: 927,656 km (0.066 R)
• M4: 1,149,061 km (0.081 R)
• M5: 1,544,000 km (0.117 R)
• M6: 2,365,741 km (0.063 R)
• M7: 2,621,403 km (0.095 R)
• M8: 3,483,686 km (0.04 R)
• M9: 3,859,326 km (0.037 R)
• M10: 4,160,766 km (0.078 R)
• M11: 4,627,960 km (0.088 R)
• M12: 4,856,695 km (0.106 R)
• M13: 7,527,914 km (0.079 R)
• M14: 7,913,129 km (0.094 R)
• M15: 8,213,073 km (0.036 R)
• M16: 8,518,701 km (0.085 R)
• M17: 10,600,505 km (0.11 R)
• M18: 11,079,817 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.3

Radius: 8.1

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.64 AU - 2.12 AU

Year: 1748 Days

Day: 14.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,180,902 km

• M1: 112,647 km (0.094 R)
• M2: 316,699 km (0.08 R)
• M3: 487,988 km (0.073 R)
• M4: 715,227 km (0.077 R)
• M5: 1,113,158 km (0.096 R)
• M6: 1,362,687 km (0.104 R)
• M7: 1,889,720 km (0.109 R)
• M8: 2,409,124 km (0.072 R)
• M9: 2,713,257 km (0.051 R)
• M10: 2,912,820 km (0.111 R)
• M11: 3,162,050 km (0.094 R)
• M12: 3,319,577 km (0.108 R)
• M13: 5,424,419 km (0.118 R)
• M14: 5,861,843 km (0.104 R)
• M15: 7,063,114 km (0.116 R)
• M16: 7,430,377 km (0.055 R)
• M17: 8,078,584 km (0.106 R)
• M18: 8,801,890 km (0.111 R)
• M19: 9,090,315 km (0.086 R)
• M20: 10,085,739 km (0.112 R)
• M21: 10,446,419 km (0.096 R)
• M22: 11,403,397 km (0.025 R)
• M23: 11,953,319 km (0.105 R)
• M24: 12,317,739 km (0.086 R)
• M25: 12,573,402 km (0.111 R)
• M26: 13,005,141 km (0.107 R)
• M27: 13,711,243 km (0.084 R)
• M28: 14,222,868 km (0.102 R)
• M29: 15,148,729 km (0.069 R)
• M30: 15,337,372 km (0.112 R)
• M31: 16,006,972 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 13.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.45 AU - 5.73 AU

Year: 7789 Days

Day: 9.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 40,180,902 km

• M1: 186,698 km (0.115 R)
• M2: 758,611 km (0.032 R)
• M3: 1,498,522 km (0.07 R)
• M4: 1,898,547 km (0.11 R)
• M5: 2,156,154 km (0.05 R)
• M6: 2,724,925 km (0.118 R)
• M7: 3,198,402 km (0.055 R)
• M8: 3,866,058 km (0.094 R)
• M9: 4,348,212 km (0.083 R)
• M10: 4,628,708 km (0.091 R)
• M11: 5,036,811 km (0.108 R)
• M12: 5,400,782 km (0.104 R)
• M13: 6,640,051 km (0.061 R)
• M14: 7,058,626 km (0.117 R)
• M15: 7,711,321 km (0.103 R)
• M16: 9,972,493 km (0.116 R)
• M17: 11,598,772 km (0.08 R)
• M18: 16,508,574 km (0.046 R)
• M19: 18,997,583 km (0.102 R)
• M20: 19,647,287 km (0.099 R)
• M21: 22,484,111 km (0.109 R)
• M22: 23,843,208 km (0.108 R)
• M23: 24,371,588 km (0.106 R)
• M24: 25,445,700 km (0.12 R)
• M25: 27,805,756 km (0.029 R)
• M26: 28,735,956 km (0.116 R)
• M27: 30,271,129 km (0.114 R)
• M28: 30,642,431 km (0.109 R)
• M29: 31,618,856 km (0.117 R)
• M30: 33,228,529 km (0.085 R)
• M31: 34,009,281 km (0.059 R)
• M32: 35,277,272 km (0.115 R)
• M33: 35,919,945 km (0.094 R)
• M34: 36,405,839 km (0.098 R)
• M35: 37,552,357 km (0.119 R)
• M36: 38,132,348 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 9.8

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.4 AU - 5.66 AU

Year: 8820 Days

Day: 6.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,180,902 km

• M1: 122,670 km (0.115 R)
• M2: 443,258 km (0.109 R)
• M3: 636,240 km (0.118 R)
• M4: 1,036,264 km (0.116 R)
• M5: 2,082,402 km (0.036 R)
• M6: 2,504,568 km (0.046 R)
• M7: 2,831,439 km (0.038 R)
• M8: 4,433,183 km (0.087 R)
• M9: 5,483,061 km (0.076 R)
• M10: 8,002,140 km (0.081 R)
• M11: 8,195,121 km (0.118 R)
• M12: 11,737,898 km (0.097 R)
• M13: 13,574,511 km (0.077 R)
• M14: 13,978,275 km (0.078 R)
• M15: 14,285,101 km (0.115 R)
• M16: 16,086,857 km (0.095 R)
• M17: 18,344,738 km (0.094 R)
• M18: 19,289,748 km (0.119 R)
• M19: 20,319,879 km (0.114 R)
• M20: 21,756,617 km (0.117 R)
• M21: 24,037,685 km (0.108 R)
• M22: 26,014,172 km (0.045 R)
• M23: 27,853,029 km (0.103 R)
• M24: 31,032,433 km (0.11 R)
• M25: 33,827,071 km (0.041 R)
• M26: 34,464,507 km (0.107 R)
• M27: 36,494,849 km (0.055 R)
• M28: 38,329,966 km (0.104 R)
• M29: 39,008,393 km (0.101 R)
• M30: 40,905,144 km (0.036 R)
• M31: 42,490,433 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.8

Radius: 7.3

Gravity: 17.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.73 AU - 7.07 AU

Year: 9720 Days

Day: 19.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,180,902 km

• M1: 316,549 km (0.116 R)
• M2: 684,111 km (0.098 R)
• M3: 1,106,426 km (0.118 R)
• M4: 2,289,745 km (0.078 R)
• M5: 3,729,625 km (0.117 R)
• M6: 5,463,464 km (0.096 R)
• M7: 7,691,874 km (0.047 R)
• M8: 9,058,151 km (0.096 R)
• M9: 13,994,731 km (0.074 R)
• M10: 14,427,518 km (0.095 R)
• M11: 18,869,677 km (0.094 R)
• M12: 21,715,178 km (0.11 R)
• M13: 22,051,175 km (0.053 R)
• M14: 25,264,238 km (0.12 R)
• M15: 31,374,563 km (0.09 R)
• M16: 36,132,823 km (0.058 R)
• M17: 36,827,555 km (0.067 R)
• M18: 37,970,782 km (0.113 R)
• M19: 38,593,558 km (0.114 R)
• M20: 38,862,086 km (0.087 R)
• M21: 40,492,404 km (0.111 R)
• M22: 43,473,740 km (0.034 R)
• M23: 43,854,017 km (0.091 R)
• M24: 45,294,196 km (0.079 R)
• M25: 48,745,569 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.6

Radius: 6.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.83 AU - 11.03 AU

Year: 19641 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,180,902 km

• M1: 79,287 km (0.066 R)
• M2: 992,731 km (0.109 R)
• M3: 1,264,700 km (0.095 R)
• M4: 1,763,609 km (0.117 R)
• M5: 1,966,763 km (0.107 R)
• M6: 2,349,883 km (0.104 R)
• M7: 3,067,205 km (0.084 R)
• M8: 3,450,924 km (0.116 R)
• M9: 4,741,505 km (0.041 R)
• M10: 5,838,655 km (0.074 R)
• M11: 6,053,478 km (0.081 R)
• M12: 8,936,977 km (0.097 R)
• M13: 10,508,951 km (0.112 R)
• M14: 10,838,815 km (0.108 R)
• M15: 13,061,988 km (0.089 R)
• M16: 13,802,498 km (0.111 R)
• M17: 15,444,035 km (0.118 R)
• M18: 16,813,753 km (0.092 R)
• M19: 19,005,512 km (0.092 R)
• M20: 26,846,385 km (0.072 R)
• M21: 32,778,389 km (0.05 R)
• M22: 35,287,146 km (0.104 R)
• M23: 35,966,769 km (0.095 R)
• M24: 38,671,498 km (0.064 R)
• M25: 39,065,838 km (0.09 R)
• M26: 39,224,263 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 12,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit