🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 9.6

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.52 AU - 0.64 AU

Year: 295 Days

Day: 9.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,883,424 km

• M1: 119,379 km (0.111 R)
• M2: 543,788 km (0.094 R)
• M3: 847,173 km (0.098 R)
• M4: 1,154,896 km (0.092 R)
• M5: 1,608,177 km (0.094 R)
• M6: 1,942,080 km (0.058 R)
• M7: 2,281,667 km (0.042 R)
• M8: 3,112,384 km (0.071 R)
• M9: 3,514,353 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 13

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.05 AU - 1.31 AU

Year: 855 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,883,424 km

• M1: 161,715 km (0.046 R)
• M2: 586,124 km (0.061 R)
• M3: 1,120,189 km (0.077 R)
• M4: 1,527,394 km (0.118 R)
• M5: 1,998,179 km (0.12 R)
• M6: 2,521,622 km (0.079 R)
• M7: 3,175,215 km (0.086 R)
• M8: 3,924,251 km (0.055 R)
• M9: 5,091,115 km (0.116 R)
• M10: 5,579,253 km (0.079 R)
• M11: 6,140,095 km (0.068 R)
• M12: 6,826,749 km (0.117 R)
• M13: 7,927,640 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 13.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.85 AU - 2.01 AU

Year: 1788 Days

Day: 11.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 172.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,883,424 km

• M1: 162,912 km (0.105 R)
• M2: 615,745 km (0.07 R)
• M3: 1,344,286 km (0.108 R)
• M4: 2,065,498 km (0.119 R)
• M5: 2,616,916 km (0.09 R)
• M6: 3,033,097 km (0.026 R)
• M7: 3,629,095 km (0.094 R)
• M8: 4,659,375 km (0.041 R)
• M9: 5,210,195 km (0.083 R)
• M10: 7,293,794 km (0.099 R)
• M11: 8,368,954 km (0.101 R)
• M12: 10,055,221 km (0.101 R)
• M13: 10,652,864 km (0.025 R)
• M14: 11,199,794 km (0.105 R)
• M15: 11,919,360 km (0.063 R)
• M16: 12,589,110 km (0.112 R)
• M17: 14,090,324 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.3

Radius: 11.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.35 AU - 3.91 AU

Year: 4612 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,883,424 km

• M1: 145,559 km (0.06 R)
• M2: 577,597 km (0.102 R)
• M3: 996,771 km (0.04 R)
• M4: 1,723,218 km (0.116 R)
• M5: 2,145,981 km (0.11 R)
• M6: 3,472,466 km (0.098 R)
• M7: 5,284,545 km (0.104 R)
• M8: 6,985,622 km (0.114 R)
• M9: 7,532,702 km (0.091 R)
• M10: 8,507,781 km (0.07 R)
• M11: 8,955,527 km (0.049 R)
• M12: 15,028,752 km (0.079 R)
• M13: 16,783,984 km (0.08 R)
• M14: 17,934,242 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 12.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.1 AU - 4.18 AU

Year: 4631 Days

Day: 11.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,883,424 km

• M1: 162,314 km (0.075 R)
• M2: 616,044 km (0.097 R)
• M3: 1,022,801 km (0.076 R)
• M4: 1,528,741 km (0.099 R)
• M5: 1,952,701 km (0.042 R)
• M6: 2,456,397 km (0.1 R)
• M7: 3,028,310 km (0.112 R)
• M8: 3,771,811 km (0.099 R)
• M9: 5,216,627 km (0.072 R)
• M10: 5,762,959 km (0.073 R)
• M11: 6,438,244 km (0.081 R)
• M12: 7,772,806 km (0.067 R)
• M13: 11,608,346 km (0.072 R)
• M14: 12,304,425 km (0.103 R)
• M15: 14,934,804 km (0.11 R)
• M16: 15,814,589 km (0.11 R)
• M17: 16,554,500 km (0.05 R)
• M18: 17,080,187 km (0.075 R)
• M19: 18,288,489 km (0.113 R)
• M20: 20,074,688 km (0.067 R)
• M21: 23,112,422 km (0.118 R)
• M22: 24,665,099 km (0.116 R)
• M23: 25,428,496 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.8

Radius: 5.2

Gravity: 29.95 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.03 AU - 9.99 AU

Year: 16555 Days

Day: 24 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,883,424 km

• M1: 68,516 km (0.043 R)
• M2: 271,819 km (0.111 R)
• M3: 871,856 km (0.097 R)
• M4: 1,267,543 km (0.09 R)
• M5: 2,155,406 km (0.07 R)
• M6: 2,634,419 km (0.112 R)
• M7: 3,510,464 km (0.102 R)
• M8: 5,092,910 km (0.075 R)
• M9: 5,542,900 km (0.107 R)
• M10: 6,309,141 km (0.074 R)
• M11: 6,872,526 km (0.084 R)
• M12: 7,097,970 km (0.097 R)
• M13: 10,201,976 km (0.087 R)
• M14: 10,855,121 km (0.063 R)
• M15: 11,037,929 km (0.069 R)
• M16: 13,396,190 km (0.083 R)
• M17: 14,841,455 km (0.085 R)
• M18: 15,142,446 km (0.073 R)
• M19: 16,149,090 km (0.12 R)
• M20: 20,437,313 km (0.103 R)
• M21: 25,107,011 km (0.104 R)
• M22: 27,292,935 km (0.093 R)
• M23: 28,201,592 km (0.081 R)
• M24: 31,417,797 km (0.115 R)
• M25: 34,212,584 km (0.076 R)
• M26: 35,670,116 km (0.106 R)
• M27: 41,915,229 km (0.068 R)
• M28: 45,769,020 km (0.059 R)
• M29: 47,050,326 km (0.088 R)
• M30: 47,212,190 km (0.101 R)
• M31: 50,189,038 km (0.087 R)
• M32: 50,867,166 km (0.066 R)
• M33: 63,743,802 km (0.045 R)
• M34: 69,659,201 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115

Radius: 6.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.73 AU - 9.51 AU

Year: 16877 Days

Day: 19.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,883,424 km

• M1: 82,279 km (0.042 R)
• M2: 428,448 km (0.094 R)
• M3: 666,459 km (0.11 R)
• M4: 920,775 km (0.086 R)
• M5: 2,529,999 km (0.105 R)
• M6: 16,826,170 km (0.058 R)
• M7: 20,105,804 km (0.075 R)
• M8: 21,699,919 km (0.1 R)
• M9: 24,625,605 km (0.086 R)
• M10: 30,068,574 km (0.088 R)
• M11: 34,534,220 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.2

Radius: 5.8

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.84 AU - 10.9 AU

Year: 20678 Days

Day: 16.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,883,424 km

• M1: 429,495 km (0.108 R)
• M2: 662,719 km (0.06 R)
• M3: 1,015,919 km (0.041 R)
• M4: 1,222,215 km (0.065 R)
• M5: 2,388,779 km (0.077 R)
• M6: 2,685,581 km (0.094 R)
• M7: 3,190,175 km (0.033 R)
• M8: 4,126,059 km (0.087 R)
• M9: 4,352,999 km (0.048 R)
• M10: 8,946,252 km (0.059 R)
• M11: 10,297,869 km (0.088 R)
• M12: 15,468,569 km (0.098 R)
• M13: 21,459,067 km (0.07 R)
• M14: 25,555,056 km (0.073 R)
• M15: 26,766,649 km (0.076 R)
• M16: 28,830,950 km (0.043 R)
• M17: 30,752,834 km (0.031 R)
• M18: 31,122,491 km (0.115 R)
• M19: 32,758,643 km (0.031 R)
• M20: 43,330,574 km (0.088 R)
• M21: 43,639,793 km (0.079 R)
• M22: 47,632,112 km (0.106 R)
• M23: 48,458,640 km (0.116 R)
• M24: 59,517,363 km (0.069 R)
• M25: 68,939,935 km (0.071 R)
• M26: 71,065,421 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.4

Radius: 4.4

Gravity: 37.68 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.66 AU - 11.68 AU

Year: 23242 Days

Day: 18.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,883,424 km

• M1: 54,753 km (0.112 R)
• M2: 265,835 km (0.108 R)
• M3: 419,622 km (0.087 R)
• M4: 643,420 km (0.079 R)
• M5: 1,168,659 km (0.101 R)
• M6: 1,395,748 km (0.114 R)
• M7: 1,616,106 km (0.119 R)
• M8: 1,820,307 km (0.051 R)
• M9: 1,979,479 km (0.118 R)
• M10: 3,167,286 km (0.049 R)
• M11: 3,640,763 km (0.08 R)
• M12: 4,332,055 km (0.08 R)
• M13: 4,580,836 km (0.118 R)
• M14: 8,965,700 km (0.038 R)
• M15: 11,440,048 km (0.1 R)
• M16: 15,371,181 km (0.09 R)
• M17: 15,617,270 km (0.102 R)
• M18: 16,033,451 km (0.064 R)
• M19: 16,371,542 km (0.113 R)
• M20: 24,063,266 km (0.111 R)
• M21: 29,747,088 km (0.098 R)
• M22: 31,559,167 km (0.048 R)
• M23: 34,975,833 km (0.116 R)
• M24: 40,784,867 km (0.108 R)
• M25: 42,855,601 km (0.117 R)
• M26: 43,017,616 km (0.116 R)
• M27: 60,357,505 km (0.1 R)
• M28: 66,020,532 km (0.084 R)
• M29: 66,453,618 km (0.11 R)
• M30: 73,642,095 km (0.087 R)
• M31: 83,840,032 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 20,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit