🌌 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: 966.8

Radius: 8.1

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.43 AU - 0.65 AU

Year: 274 Days

Day: 5.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,580,794 km

• M1: 100,679 km (0.077 R)
• M2: 400,174 km (0.072 R)
• M3: 684,560 km (0.114 R)
• M4: 968,347 km (0.061 R)
• M5: 1,274,574 km (0.097 R)
• M6: 1,611,917 km (0.087 R)
• M7: 2,039,617 km (0.071 R)
• M8: 2,690,966 km (0.12 R)
• M9: 2,946,928 km (0.028 R)
• M10: 3,439,853 km (0.043 R)
• M11: 3,838,831 km (0.032 R)
• M12: 4,138,775 km (0.109 R)
• M13: 4,494,818 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 13.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.74 AU - 0.76 AU

Year: 448 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 63,580,794 km

• M1: 166,652 km (0.084 R)
• M2: 991,834 km (0.06 R)
• M3: 1,713,943 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 13.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.67 AU - 0.93 AU

Year: 494 Days

Day: 14.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,580,794 km

• M1: 162,912 km (0.117 R)
• M2: 596,896 km (0.079 R)
• M3: 1,063,042 km (0.097 R)
• M4: 1,472,941 km (0.098 R)
• M5: 1,883,886 km (0.115 R)
• M6: 2,299,319 km (0.072 R)
• M7: 2,832,636 km (0.054 R)
• M8: 3,320,325 km (0.066 R)
• M9: 4,054,102 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.9

Radius: 8.8

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.03 AU - 1.63 AU

Year: 1059 Days

Day: 9.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,580,794 km

• M1: 109,506 km (0.117 R)
• M2: 410,497 km (0.097 R)
• M3: 857,944 km (0.116 R)
• M4: 1,139,337 km (0.062 R)
• M5: 1,425,668 km (0.109 R)
• M6: 1,704,369 km (0.104 R)
• M7: 2,019,870 km (0.074 R)
• M8: 2,542,416 km (0.06 R)
• M9: 2,943,637 km (0.062 R)
• M10: 4,006,530 km (0.099 R)
• M11: 4,281,940 km (0.054 R)
• M12: 4,644,116 km (0.089 R)
• M13: 5,145,269 km (0.08 R)
• M14: 8,572,257 km (0.048 R)
• M15: 9,537,762 km (0.088 R)
• M16: 9,875,105 km (0.078 R)
• M17: 10,444,475 km (0.119 R)
• M18: 11,035,536 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.1

Radius: 14.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.81 AU - 2.35 AU

Year: 2071 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,580,794 km

• M1: 184,604 km (0.109 R)
• M2: 641,176 km (0.088 R)
• M3: 1,130,810 km (0.097 R)
• M4: 1,617,602 km (0.085 R)
• M5: 2,179,940 km (0.083 R)
• M6: 2,699,344 km (0.106 R)
• M7: 3,272,005 km (0.069 R)
• M8: 3,841,225 km (0.089 R)
• M9: 4,439,317 km (0.082 R)
• M10: 5,018,261 km (0.074 R)
• M11: 5,603,936 km (0.109 R)
• M12: 6,913,366 km (0.105 R)
• M13: 7,587,006 km (0.093 R)
• M14: 8,247,331 km (0.06 R)
• M15: 9,557,658 km (0.107 R)
• M16: 11,071,888 km (0.042 R)
• M17: 11,959,303 km (0.114 R)
• M18: 12,627,107 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.2

Radius: 12.5

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.76 AU - 3.3 AU

Year: 3641 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,580,794 km

• M1: 155,582 km (0.055 R)
• M2: 791,373 km (0.102 R)
• M3: 2,047,995 km (0.09 R)
• M4: 2,507,560 km (0.085 R)
• M5: 3,004,972 km (0.072 R)
• M6: 3,746,379 km (0.072 R)
• M7: 4,180,662 km (0.096 R)
• M8: 4,862,828 km (0.104 R)
• M9: 5,357,997 km (0.068 R)
• M10: 6,318,864 km (0.063 R)
• M11: 7,362,459 km (0.096 R)
• M12: 8,390,496 km (0.116 R)
• M13: 9,824,990 km (0.08 R)
• M14: 10,545,453 km (0.086 R)
• M15: 10,994,396 km (0.087 R)
• M16: 12,336,289 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 13.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.22 AU - 4.52 AU

Year: 5255 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 111.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,580,794 km

• M1: 170,392 km (0.028 R)
• M2: 697,874 km (0.036 R)
• M3: 1,292,974 km (0.089 R)
• M4: 1,929,813 km (0.102 R)
• M5: 2,936,157 km (0.105 R)
• M6: 3,579,877 km (0.103 R)
• M7: 6,155,504 km (0.12 R)
• M8: 6,770,800 km (0.119 R)
• M9: 8,012,013 km (0.08 R)
• M10: 8,470,979 km (0.116 R)
• M11: 9,653,102 km (0.107 R)
• M12: 11,412,822 km (0.046 R)
• M13: 13,699,126 km (0.09 R)
• M14: 15,151,422 km (0.068 R)
• M15: 16,276,099 km (0.092 R)
• M16: 17,455,678 km (0.118 R)
• M17: 19,161,094 km (0.06 R)
• M18: 19,638,610 km (0.1 R)
• M19: 21,264,141 km (0.108 R)
• M20: 23,362,101 km (0.069 R)
• M21: 26,678,237 km (0.111 R)
• M22: 29,295,153 km (0.087 R)
• M23: 30,573,167 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 8.6

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.73 AU - 5.95 AU

Year: 7350 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,580,794 km

• M1: 114,891 km (0.094 R)
• M2: 390,151 km (0.119 R)
• M3: 788,830 km (0.091 R)
• M4: 1,426,416 km (0.067 R)
• M5: 1,700,030 km (0.047 R)
• M6: 2,372,921 km (0.111 R)
• M7: 3,085,007 km (0.092 R)
• M8: 3,932,479 km (0.064 R)
• M9: 4,671,044 km (0.084 R)
• M10: 7,329,099 km (0.053 R)
• M11: 8,912,443 km (0.068 R)
• M12: 9,487,497 km (0.076 R)
• M13: 10,662,588 km (0.07 R)
• M14: 11,826,908 km (0.105 R)
• M15: 14,168,414 km (0.12 R)
• M16: 15,013,044 km (0.119 R)
• M17: 15,636,717 km (0.06 R)
• M18: 17,136,436 km (0.106 R)
• M19: 20,419,511 km (0.102 R)
• M20: 23,182,284 km (0.078 R)
• M21: 23,763,323 km (0.049 R)
• M22: 26,184,863 km (0.076 R)
• M23: 26,543,749 km (0.109 R)
• M24: 26,815,119 km (0.082 R)
• M25: 30,020,553 km (0.107 R)
• M26: 32,534,395 km (0.112 R)
• M27: 35,842,453 km (0.09 R)
• M28: 38,784,295 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.8

Radius: 4.6

Gravity: 35.34 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.4 AU - 11.42 AU

Year: 19925 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,580,794 km

• M1: 77,641 km (0.062 R)
• M2: 224,846 km (0.116 R)
• M3: 663,467 km (0.09 R)
• M4: 1,150,258 km (0.088 R)
• M5: 1,352,066 km (0.089 R)
• M6: 1,646,175 km (0.077 R)
• M7: 1,808,489 km (0.034 R)
• M8: 2,208,214 km (0.06 R)
• M9: 2,568,446 km (0.106 R)
• M10: 3,580,625 km (0.092 R)
• M11: 3,949,085 km (0.112 R)
• M12: 5,518,516 km (0.112 R)
• M13: 6,664,136 km (0.111 R)
• M14: 12,217,808 km (0.034 R)
• M15: 12,629,351 km (0.09 R)
• M16: 13,049,871 km (0.091 R)
• M17: 14,826,047 km (0.102 R)
• M18: 15,058,821 km (0.062 R)
• M19: 15,611,435 km (0.027 R)
• M20: 24,938,563 km (0.091 R)
• M21: 27,421,140 km (0.092 R)
• M22: 28,482,537 km (0.106 R)
• M23: 31,959,491 km (0.117 R)
• M24: 37,833,601 km (0.102 R)
• M25: 43,115,004 km (0.091 R)
• M26: 43,430,955 km (0.114 R)
• M27: 43,907,573 km (0.068 R)
• M28: 53,094,079 km (0.116 R)
• M29: 55,668,808 km (0.116 R)
• M30: 56,043,252 km (0.078 R)
• M31: 67,012,067 km (0.117 R)
• M32: 67,648,307 km (0.036 R)
• M33: 77,682,285 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.6

Radius: 6.3

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.73 AU - 11.85 AU

Year: 21144 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,580,794 km

• M1: 78,389 km (0.058 R)
• M2: 324,029 km (0.115 R)
• M3: 625,469 km (0.084 R)
• M4: 861,085 km (0.109 R)
• M5: 1,070,522 km (0.083 R)
• M6: 1,300,753 km (0.079 R)
• M7: 1,563,896 km (0.06 R)
• M8: 3,674,124 km (0.114 R)
• M9: 4,519,352 km (0.1 R)
• M10: 5,305,488 km (0.068 R)
• M11: 6,099,554 km (0.116 R)
• M12: 6,713,504 km (0.116 R)
• M13: 7,733,761 km (0.107 R)
• M14: 8,354,293 km (0.075 R)
• M15: 9,966,958 km (0.102 R)
• M16: 13,590,219 km (0.041 R)
• M17: 15,286,060 km (0.108 R)
• M18: 17,277,357 km (0.075 R)
• M19: 18,252,137 km (0.119 R)
• M20: 19,092,129 km (0.118 R)
• M21: 22,710,602 km (0.06 R)
• M22: 23,978,594 km (0.066 R)
• M23: 24,781,934 km (0.116 R)
• M24: 25,602,928 km (0.117 R)
• M25: 26,868,376 km (0.05 R)
• M26: 29,409,445 km (0.098 R)
• M27: 35,091,621 km (0.057 R)
• M28: 38,939,279 km (0.106 R)
• M29: 43,059,054 km (0.094 R)
• M30: 47,774,379 km (0.107 R)
• M31: 51,487,249 km (0.078 R)
• M32: 57,856,229 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 18,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit