🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 14.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.69 AU - 0.83 AU

Year: 442 Days

Day: 10.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,955,799 km

• M1: 187,147 km (0.056 R)
• M2: 662,120 km (0.057 R)
• M3: 1,144,424 km (0.076 R)
• M4: 1,979,180 km (0.092 R)
• M5: 2,544,510 km (0.118 R)
• M6: 3,101,313 km (0.075 R)
• M7: 3,778,543 km (0.073 R)
• M8: 4,674,485 km (0.075 R)
• M9: 5,181,621 km (0.067 R)
• M10: 5,939,185 km (0.098 R)
• M11: 6,497,335 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 10.1

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.73 AU - 0.93 AU

Year: 504 Days

Day: 12.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,955,799 km

• M1: 125,662 km (0.113 R)
• M2: 498,011 km (0.032 R)
• M3: 949,498 km (0.09 R)
• M4: 1,573,620 km (0.073 R)
• M5: 2,021,067 km (0.038 R)
• M6: 2,502,174 km (0.056 R)
• M7: 2,990,162 km (0.081 R)
• M8: 3,976,760 km (0.037 R)
• M9: 4,315,899 km (0.118 R)
• M10: 4,861,183 km (0.07 R)
• M11: 6,561,363 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.1

Radius: 11.3

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.93 AU - 1.13 AU

Year: 697 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,955,799 km

• M1: 140,622 km (0.075 R)
• M2: 669,750 km (0.117 R)
• M3: 1,101,340 km (0.063 R)
• M4: 1,496,128 km (0.102 R)
• M5: 2,091,229 km (0.117 R)
• M6: 2,505,016 km (0.098 R)
• M7: 2,875,271 km (0.095 R)
• M8: 5,129,711 km (0.045 R)
• M9: 6,487,312 km (0.085 R)
• M10: 7,079,270 km (0.061 R)
• M11: 7,611,540 km (0.11 R)
• M12: 8,421,911 km (0.059 R)
• M13: 8,808,771 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 10.5

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.93 AU - 1.43 AU

Year: 855 Days

Day: 9.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,955,799 km

• M1: 130,599 km (0.111 R)
• M2: 533,017 km (0.112 R)
• M3: 993,479 km (0.084 R)
• M4: 1,344,885 km (0.04 R)
• M5: 1,797,119 km (0.079 R)
• M6: 2,125,487 km (0.104 R)
• M7: 3,209,473 km (0.106 R)
• M8: 3,726,034 km (0.076 R)
• M9: 4,564,381 km (0.081 R)
• M10: 5,201,518 km (0.092 R)
• M11: 6,530,097 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534

Radius: 12.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.08 AU - 1.36 AU

Year: 899 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,955,799 km

• M1: 155,432 km (0.094 R)
• M2: 571,314 km (0.087 R)
• M3: 963,709 km (0.118 R)
• M4: 1,633,908 km (0.081 R)
• M5: 2,268,053 km (0.115 R)
• M6: 2,666,582 km (0.12 R)
• M7: 3,215,157 km (0.1 R)
• M8: 3,750,718 km (0.077 R)
• M9: 4,171,537 km (0.086 R)
• M10: 4,691,240 km (0.07 R)
• M11: 5,345,880 km (0.093 R)
• M12: 6,347,288 km (0.069 R)
• M13: 7,037,084 km (0.113 R)
• M14: 7,704,889 km (0.1 R)
• M15: 8,164,902 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.2

Radius: 9.4

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.15 AU - 1.69 AU

Year: 1128 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,955,799 km

• M1: 116,986 km (0.113 R)
• M2: 640,728 km (0.071 R)
• M3: 1,082,041 km (0.085 R)
• M4: 1,489,097 km (0.114 R)
• M5: 1,894,657 km (0.117 R)
• M6: 2,235,142 km (0.085 R)
• M7: 2,836,675 km (0.046 R)
• M8: 3,212,016 km (0.04 R)
• M9: 3,911,984 km (0.077 R)
• M10: 4,597,741 km (0.119 R)
• M11: 5,137,939 km (0.026 R)
• M12: 5,549,333 km (0.073 R)
• M13: 5,938,287 km (0.107 R)
• M14: 6,345,343 km (0.101 R)
• M15: 7,165,140 km (0.036 R)
• M16: 8,524,984 km (0.103 R)
• M17: 8,897,633 km (0.111 R)
• M18: 11,538,633 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 9.3

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.2 AU - 2.88 AU

Year: 2699 Days

Day: 8.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,955,799 km

• M1: 115,789 km (0.117 R)
• M2: 508,034 km (0.113 R)
• M3: 1,743,563 km (0.108 R)
• M4: 2,239,181 km (0.118 R)
• M5: 2,635,466 km (0.097 R)
• M6: 3,725,585 km (0.119 R)
• M7: 5,888,621 km (0.079 R)
• M8: 7,630,838 km (0.058 R)
• M9: 9,100,487 km (0.092 R)
• M10: 11,119,011 km (0.105 R)
• M11: 11,581,568 km (0.077 R)
• M12: 16,233,015 km (0.073 R)
• M13: 18,063,344 km (0.047 R)
• M14: 19,781,775 km (0.039 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.5

Radius: 10.6

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.43 AU - 3.31 AU

Year: 3242 Days

Day: 11.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,955,799 km

• M1: 132,843 km (0.07 R)
• M2: 557,850 km (0.032 R)
• M3: 990,488 km (0.114 R)
• M4: 1,809,087 km (0.053 R)
• M5: 2,167,374 km (0.059 R)
• M6: 3,716,310 km (0.042 R)
• M7: 4,107,359 km (0.08 R)
• M8: 4,617,637 km (0.059 R)
• M9: 5,169,803 km (0.091 R)
• M10: 5,685,317 km (0.052 R)
• M11: 6,150,118 km (0.045 R)
• M12: 6,849,488 km (0.103 R)
• M13: 7,408,087 km (0.033 R)
• M14: 8,200,058 km (0.066 R)
• M15: 9,682,273 km (0.081 R)
• M16: 10,386,580 km (0.072 R)
• M17: 10,874,718 km (0.074 R)
• M18: 11,592,638 km (0.056 R)
• M19: 13,406,213 km (0.049 R)
• M20: 13,742,060 km (0.073 R)
• M21: 15,823,416 km (0.069 R)
• M22: 16,911,590 km (0.092 R)
• M23: 17,303,986 km (0.115 R)
• M24: 18,165,221 km (0.104 R)
• M25: 19,236,192 km (0.03 R)
• M26: 19,602,407 km (0.051 R)
• M27: 20,285,920 km (0.111 R)
• M28: 21,569,320 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 9.5

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.14 AU - 4.64 AU

Year: 5116 Days

Day: 14.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,955,799 km

• M1: 118,332 km (0.098 R)
• M2: 488,437 km (0.099 R)
• M3: 795,711 km (0.102 R)
• M4: 1,218,624 km (0.106 R)
• M5: 1,736,981 km (0.08 R)
• M6: 2,150,320 km (0.085 R)
• M7: 2,511,000 km (0.076 R)
• M8: 3,118,517 km (0.085 R)
• M9: 4,000,995 km (0.083 R)
• M10: 5,176,535 km (0.096 R)
• M11: 6,440,787 km (0.052 R)
• M12: 7,827,559 km (0.089 R)
• M13: 9,001,005 km (0.081 R)
• M14: 10,462,426 km (0.119 R)
• M15: 11,740,740 km (0.077 R)
• M16: 13,120,332 km (0.11 R)
• M17: 13,481,461 km (0.095 R)
• M18: 14,116,055 km (0.084 R)
• M19: 14,495,286 km (0.098 R)
• M20: 15,731,862 km (0.081 R)
• M21: 17,467,496 km (0.066 R)
• M22: 21,958,723 km (0.099 R)
• M23: 23,060,362 km (0.03 R)
• M24: 23,435,703 km (0.09 R)
• M25: 23,891,378 km (0.101 R)
• M26: 24,742,141 km (0.076 R)
• M27: 26,422,425 km (0.104 R)
• M28: 27,583,903 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.2

Radius: 3.1

Gravity: 24.89 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.75 AU - 10.25 AU

Year: 18005 Days

Day: 17.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,955,799 km

• M1: 40,541 km (0.06 R)
• M2: 158,723 km (0.103 R)
• M3: 283,787 km (0.093 R)
• M4: 607,068 km (0.081 R)
• M5: 763,697 km (0.037 R)
• M6: 946,655 km (0.117 R)
• M7: 1,054,216 km (0.063 R)
• M8: 1,482,814 km (0.108 R)
• M9: 1,674,299 km (0.112 R)
• M10: 2,348,088 km (0.076 R)
• M11: 3,209,323 km (0.072 R)
• M12: 3,789,912 km (0.074 R)
• M13: 4,319,788 km (0.114 R)
• M14: 6,544,009 km (0.1 R)
• M15: 6,976,646 km (0.104 R)
• M16: 8,899,129 km (0.059 R)
• M17: 9,331,616 km (0.03 R)
• M18: 10,395,107 km (0.081 R)
• M19: 12,225,437 km (0.114 R)
• M20: 13,874,006 km (0.069 R)
• M21: 14,389,520 km (0.106 R)
• M22: 15,254,345 km (0.074 R)
• M23: 16,082,968 km (0.099 R)
• M24: 18,515,280 km (0.081 R)
• M25: 20,348,302 km (0.095 R)
• M26: 21,606,869 km (0.107 R)
• M27: 23,909,629 km (0.078 R)
• M28: 25,025,480 km (0.108 R)
• M29: 26,078,350 km (0.097 R)
• M30: 26,664,923 km (0.104 R)
• M31: 31,019,717 km (0.076 R)
• M32: 33,364,664 km (0.06 R)
• M33: 41,103,361 km (0.104 R)
• M34: 43,243,060 km (0.11 R)
• M35: 47,308,531 km (0.12 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: 310 - 18,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit