🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 14.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.4 AU - 0.64 AU

Year: 254 Days

Day: 13.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 74,677,256 km

• M1: 182,809 km (0.083 R)
• M2: 1,269,039 km (0.112 R)
• M3: 2,357,064 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.8

Radius: 8.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.78 AU - 1.24 AU

Year: 688 Days

Day: 7 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,677,256 km

• M1: 100,679 km (0.116 R)
• M2: 444,455 km (0.058 R)
• M3: 879,635 km (0.09 R)
• M4: 1,203,664 km (0.061 R)
• M5: 1,479,673 km (0.083 R)
• M6: 2,521,173 km (0.08 R)
• M7: 3,218,000 km (0.1 R)
• M8: 3,548,461 km (0.118 R)
• M9: 4,175,426 km (0.094 R)
• M10: 4,651,297 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.9

Radius: 9.5

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.03 AU - 2.69 AU

Year: 2459 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,677,256 km

• M1: 119,678 km (0.1 R)
• M2: 457,919 km (0.075 R)
• M3: 801,396 km (0.093 R)
• M4: 1,193,492 km (0.09 R)
• M5: 1,527,544 km (0.062 R)
• M6: 2,192,806 km (0.074 R)
• M7: 2,976,250 km (0.074 R)
• M8: 4,797,903 km (0.119 R)
• M9: 5,957,137 km (0.104 R)
• M10: 6,453,652 km (0.117 R)
• M11: 7,264,473 km (0.108 R)
• M12: 7,831,449 km (0.095 R)
• M13: 8,267,975 km (0.116 R)
• M14: 9,997,027 km (0.073 R)
• M15: 11,081,313 km (0.08 R)
• M16: 12,159,614 km (0.063 R)
• M17: 14,155,399 km (0.046 R)
• M18: 14,851,029 km (0.094 R)
• M19: 16,562,579 km (0.054 R)
• M20: 17,230,533 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.1

Radius: 14.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.32 AU - 3.34 AU

Year: 3229 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,677,256 km

• M1: 214,823 km (0.082 R)
• M2: 877,092 km (0.079 R)
• M3: 1,364,482 km (0.038 R)
• M4: 2,005,359 km (0.108 R)
• M5: 2,732,256 km (0.107 R)
• M6: 4,103,470 km (0.064 R)
• M7: 4,697,672 km (0.069 R)
• M8: 8,824,180 km (0.107 R)
• M9: 11,432,568 km (0.085 R)
• M10: 13,338,894 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.9

Radius: 4.1

Gravity: 32.12 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.22 AU - 8.58 AU

Year: 12293 Days

Day: 24.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,677,256 km

• M1: 59,839 km (0.117 R)
• M2: 199,414 km (0.035 R)
• M3: 521,049 km (0.068 R)
• M4: 882,777 km (0.062 R)
• M5: 1,038,957 km (0.115 R)
• M6: 1,276,219 km (0.071 R)
• M7: 1,729,950 km (0.044 R)
• M8: 1,875,060 km (0.086 R)
• M9: 2,046,050 km (0.072 R)
• M10: 2,264,762 km (0.112 R)
• M11: 3,784,826 km (0.089 R)
• M12: 4,258,004 km (0.098 R)
• M13: 5,594,661 km (0.097 R)
• M14: 5,806,043 km (0.062 R)
• M15: 6,133,064 km (0.06 R)
• M16: 6,320,061 km (0.066 R)
• M17: 8,496,112 km (0.053 R)
• M18: 10,475,890 km (0.052 R)
• M19: 11,973,514 km (0.04 R)
• M20: 12,265,829 km (0.11 R)
• M21: 13,047,777 km (0.059 R)
• M22: 13,798,608 km (0.103 R)
• M23: 15,249,259 km (0.1 R)
• M24: 16,223,440 km (0.114 R)
• M25: 17,386,863 km (0.098 R)
• M26: 19,797,184 km (0.098 R)
• M27: 21,039,594 km (0.114 R)
• M28: 23,496,141 km (0.079 R)
• M29: 24,605,110 km (0.065 R)
• M30: 28,656,819 km (0.111 R)
• M31: 30,568,081 km (0.114 R)
• M32: 43,023,300 km (0.112 R)
• M33: 43,296,317 km (0.094 R)
• M34: 46,091,553 km (0.103 R)
• M35: 49,901,960 km (0.072 R)
• M36: 50,506,186 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.8

Radius: 5.9

Gravity: 16.34 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.74 AU - 7.48 AU

Year: 12859 Days

Day: 19 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,677,256 km

• M1: 73,453 km (0.052 R)
• M2: 275,410 km (0.096 R)
• M3: 865,424 km (0.116 R)
• M4: 1,627,774 km (0.082 R)
• M5: 1,816,717 km (0.046 R)
• M6: 2,296,178 km (0.046 R)
• M7: 2,790,150 km (0.1 R)
• M8: 3,660,211 km (0.08 R)
• M9: 4,889,158 km (0.119 R)
• M10: 7,467,926 km (0.087 R)
• M11: 7,949,032 km (0.107 R)
• M12: 8,973,030 km (0.102 R)
• M13: 9,516,818 km (0.076 R)
• M14: 9,874,058 km (0.113 R)
• M15: 11,393,374 km (0.074 R)
• M16: 11,796,241 km (0.071 R)
• M17: 12,752,770 km (0.092 R)
• M18: 12,999,756 km (0.088 R)
• M19: 13,187,052 km (0.025 R)
• M20: 15,860,366 km (0.063 R)
• M21: 16,218,055 km (0.1 R)
• M22: 19,848,047 km (0.077 R)
• M23: 20,684,598 km (0.103 R)
• M24: 22,338,552 km (0.118 R)
• M25: 22,878,601 km (0.1 R)
• M26: 26,704,118 km (0.088 R)
• M27: 26,905,925 km (0.105 R)
• M28: 27,517,182 km (0.028 R)
• M29: 28,346,702 km (0.1 R)
• M30: 30,164,466 km (0.091 R)
• M31: 30,493,132 km (0.079 R)
• M32: 32,172,368 km (0.112 R)
• M33: 34,985,856 km (0.085 R)
• M34: 35,592,026 km (0.034 R)
• M35: 38,727,897 km (0.105 R)
• M36: 40,962,590 km (0.036 R)
• M37: 44,261,522 km (0.084 R)
• M38: 45,686,741 km (0.069 R)
• M39: 46,848,817 km (0.029 R)
• M40: 49,535,296 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867

Radius: 7

Gravity: 17.69 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.05 AU - 10.27 AU

Year: 17285 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,677,256 km

• M1: 87,066 km (0.078 R)
• M2: 386,860 km (0.105 R)
• M3: 614,997 km (0.053 R)
• M4: 925,412 km (0.096 R)
• M5: 1,183,918 km (0.075 R)
• M6: 1,604,736 km (0.061 R)
• M7: 1,944,174 km (0.057 R)
• M8: 2,224,221 km (0.066 R)
• M9: 2,508,457 km (0.077 R)
• M10: 3,957,911 km (0.1 R)
• M11: 4,179,914 km (0.073 R)
• M12: 4,896,787 km (0.103 R)
• M13: 5,418,285 km (0.087 R)
• M14: 6,793,838 km (0.047 R)
• M15: 7,159,604 km (0.112 R)
• M16: 10,275,429 km (0.119 R)
• M17: 14,119,945 km (0.074 R)
• M18: 14,867,485 km (0.055 R)
• M19: 16,769,024 km (0.079 R)
• M20: 17,437,427 km (0.089 R)
• M21: 18,036,566 km (0.076 R)
• M22: 20,761,043 km (0.062 R)
• M23: 23,540,571 km (0.116 R)
• M24: 26,335,060 km (0.058 R)
• M25: 30,068,424 km (0.068 R)
• M26: 35,077,110 km (0.113 R)
• M27: 46,218,861 km (0.111 R)
• M28: 47,365,229 km (0.073 R)
• M29: 48,866,892 km (0.084 R)
• M30: 51,265,545 km (0.12 R)
• M31: 58,169,486 km (0.073 R)
• M32: 61,645,842 km (0.106 R)
• M33: 66,079,623 km (0.097 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 20,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit