🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.8

Radius: 12.2

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.63 AU - 0.71 AU

Year: 379 Days

Day: 5 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,567,464 km

• M1: 185,801 km (0.057 R)
• M2: 748,438 km (0.106 R)
• M3: 1,271,731 km (0.059 R)
• M4: 1,814,622 km (0.09 R)
• M5: 2,473,750 km (0.067 R)
• M6: 3,055,836 km (0.119 R)
• M7: 3,576,735 km (0.096 R)
• M8: 4,220,455 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 9.3

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.94 AU - 1.04 AU

Year: 680 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,567,464 km

• M1: 116,387 km (0.061 R)
• M2: 454,478 km (0.064 R)
• M3: 761,304 km (0.105 R)
• M4: 1,576,163 km (0.117 R)
• M5: 1,923,380 km (0.042 R)
• M6: 2,984,328 km (0.087 R)
• M7: 3,343,064 km (0.084 R)
• M8: 4,816,752 km (0.075 R)
• M9: 5,264,349 km (0.094 R)
• M10: 5,639,092 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 8.9

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.35 AU - 1.69 AU

Year: 1294 Days

Day: 10.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,567,464 km

• M1: 110,702 km (0.115 R)
• M2: 533,017 km (0.038 R)
• M3: 900,729 km (0.12 R)
• M4: 1,469,201 km (0.063 R)
• M5: 1,758,822 km (0.084 R)
• M6: 2,328,192 km (0.052 R)
• M7: 2,687,825 km (0.056 R)
• M8: 3,070,496 km (0.07 R)
• M9: 3,504,480 km (0.104 R)
• M10: 3,929,487 km (0.106 R)
• M11: 4,441,860 km (0.032 R)
• M12: 5,394,200 km (0.079 R)
• M13: 5,747,251 km (0.104 R)
• M14: 6,804,459 km (0.104 R)
• M15: 7,442,195 km (0.056 R)
• M16: 8,335,893 km (0.086 R)
• M17: 8,639,726 km (0.078 R)
• M18: 9,358,095 km (0.066 R)
• M19: 10,461,828 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.8

Radius: 12.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.4 AU - 2.24 AU

Year: 1695 Days

Day: 8.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,567,464 km

• M1: 170,542 km (0.118 R)
• M2: 573,708 km (0.091 R)
• M3: 1,065,586 km (0.085 R)
• M4: 1,714,242 km (0.064 R)
• M5: 2,372,921 km (0.113 R)
• M6: 2,951,416 km (0.109 R)
• M7: 4,011,317 km (0.031 R)
• M8: 4,908,306 km (0.112 R)
• M9: 5,461,968 km (0.097 R)
• M10: 5,914,501 km (0.109 R)
• M11: 6,413,410 km (0.09 R)
• M12: 6,872,825 km (0.038 R)
• M13: 7,543,622 km (0.082 R)
• M14: 8,749,531 km (0.066 R)
• M15: 9,151,799 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.1

Radius: 8.3

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.65 AU - 4.63 AU

Year: 5814 Days

Day: 14.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,567,464 km

• M1: 103,223 km (0.107 R)
• M2: 559,496 km (0.11 R)
• M3: 912,248 km (0.05 R)
• M4: 1,346,830 km (0.096 R)
• M5: 1,655,450 km (0.081 R)
• M6: 2,261,172 km (0.087 R)
• M7: 2,914,915 km (0.037 R)
• M8: 3,498,945 km (0.078 R)
• M9: 4,112,296 km (0.118 R)
• M10: 5,383,579 km (0.117 R)
• M11: 5,811,428 km (0.095 R)
• M12: 6,479,981 km (0.112 R)
• M13: 7,064,311 km (0.073 R)
• M14: 7,718,652 km (0.093 R)
• M15: 8,375,237 km (0.104 R)
• M16: 9,147,760 km (0.092 R)
• M17: 9,510,535 km (0.099 R)
• M18: 10,009,294 km (0.112 R)
• M19: 10,394,658 km (0.088 R)
• M20: 11,195,007 km (0.066 R)
• M21: 12,131,939 km (0.05 R)
• M22: 14,646,978 km (0.069 R)
• M23: 15,088,142 km (0.111 R)
• M24: 16,055,292 km (0.058 R)
• M25: 18,492,990 km (0.109 R)
• M26: 18,943,578 km (0.109 R)
• M27: 21,447,996 km (0.104 R)
• M28: 22,596,310 km (0.119 R)
• M29: 24,012,702 km (0.093 R)
• M30: 24,549,011 km (0.078 R)
• M31: 25,965,104 km (0.109 R)
• M32: 26,693,197 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 10.6

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.19 AU - 5.51 AU

Year: 8542 Days

Day: 9 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,567,464 km

• M1: 132,693 km (0.106 R)
• M2: 688,150 km (0.081 R)
• M3: 1,037,760 km (0.105 R)
• M4: 3,615,481 km (0.045 R)
• M5: 4,670,745 km (0.094 R)
• M6: 5,294,119 km (0.104 R)
• M7: 6,763,769 km (0.09 R)
• M8: 8,161,013 km (0.086 R)
• M9: 8,521,992 km (0.055 R)
• M10: 8,859,336 km (0.076 R)
• M11: 9,382,180 km (0.096 R)
• M12: 11,154,765 km (0.031 R)
• M13: 12,311,306 km (0.094 R)
• M14: 18,185,117 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.2

Radius: 6.7

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.83 AU - 7.19 AU

Year: 10170 Days

Day: 20.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,567,464 km

• M1: 84,224 km (0.088 R)
• M2: 445,652 km (0.067 R)
• M3: 659,876 km (0.085 R)
• M4: 925,861 km (0.111 R)
• M5: 1,215,184 km (0.11 R)
• M6: 2,132,368 km (0.106 R)
• M7: 2,542,416 km (0.1 R)
• M8: 3,798,440 km (0.115 R)
• M9: 6,443,180 km (0.101 R)
• M10: 6,745,966 km (0.109 R)
• M11: 7,753,957 km (0.107 R)
• M12: 8,584,375 km (0.119 R)
• M13: 9,328,624 km (0.091 R)
• M14: 10,785,857 km (0.088 R)
• M15: 11,707,529 km (0.102 R)
• M16: 12,101,720 km (0.105 R)
• M17: 12,917,028 km (0.066 R)
• M18: 13,398,883 km (0.029 R)
• M19: 13,892,855 km (0.087 R)
• M20: 14,271,188 km (0.112 R)
• M21: 16,197,410 km (0.09 R)
• M22: 17,843,286 km (0.075 R)
• M23: 20,557,291 km (0.103 R)
• M24: 23,268,752 km (0.099 R)
• M25: 30,645,124 km (0.073 R)
• M26: 32,595,282 km (0.119 R)
• M27: 33,713,675 km (0.093 R)
• M28: 39,440,282 km (0.075 R)
• M29: 39,944,875 km (0.117 R)
• M30: 43,329,976 km (0.057 R)
• M31: 45,782,484 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.5

Radius: 3.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.81 AU - 8.81 AU

Year: 15066 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,567,464 km

• M1: 47,722 km (0.067 R)
• M2: 261,048 km (0.064 R)
• M3: 457,171 km (0.113 R)
• M4: 941,120 km (0.068 R)
• M5: 1,757,177 km (0.109 R)
• M6: 3,149,783 km (0.067 R)
• M7: 3,830,154 km (0.116 R)
• M8: 4,169,741 km (0.081 R)
• M9: 5,254,476 km (0.078 R)
• M10: 5,447,307 km (0.119 R)
• M11: 6,024,456 km (0.049 R)
• M12: 6,483,273 km (0.119 R)
• M13: 7,130,732 km (0.113 R)
• M14: 8,108,055 km (0.062 R)
• M15: 10,891,174 km (0.097 R)
• M16: 13,571,220 km (0.034 R)
• M17: 16,660,116 km (0.071 R)
• M18: 18,811,035 km (0.037 R)
• M19: 24,029,158 km (0.09 R)
• M20: 25,332,754 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.3

Radius: 6.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.37 AU - 10.29 AU

Year: 16595 Days

Day: 21.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,567,464 km

• M1: 78,389 km (0.099 R)
• M2: 306,526 km (0.101 R)
• M3: 831,764 km (0.107 R)
• M4: 1,121,086 km (0.078 R)
• M5: 1,389,914 km (0.095 R)
• M6: 1,646,474 km (0.085 R)
• M7: 1,934,450 km (0.091 R)
• M8: 3,391,833 km (0.068 R)
• M9: 6,515,286 km (0.107 R)
• M10: 7,735,407 km (0.054 R)
• M11: 9,100,786 km (0.101 R)
• M12: 10,571,034 km (0.111 R)
• M13: 10,912,716 km (0.095 R)
• M14: 13,570,621 km (0.032 R)
• M15: 15,481,136 km (0.102 R)
• M16: 16,370,794 km (0.068 R)
• M17: 16,894,237 km (0.037 R)
• M18: 19,171,865 km (0.07 R)
• M19: 19,533,892 km (0.091 R)
• M20: 26,319,053 km (0.071 R)
• M21: 33,258,748 km (0.109 R)
• M22: 34,416,037 km (0.056 R)
• M23: 36,588,797 km (0.117 R)
• M24: 36,922,400 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.7

Radius: 6.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.82 AU - 11.18 AU

Year: 23485 Days

Day: 21.2 Hours

Environment

Temp: -246 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,567,464 km

• M1: 84,523 km (0.059 R)
• M2: 301,589 km (0.063 R)
• M3: 1,168,659 km (0.049 R)
• M4: 1,490,294 km (0.066 R)
• M5: 1,716,636 km (0.108 R)
• M6: 3,059,127 km (0.104 R)
• M7: 4,480,606 km (0.085 R)
• M8: 5,112,358 km (0.1 R)
• M9: 5,335,707 km (0.094 R)
• M10: 7,047,256 km (0.115 R)
• M11: 9,048,876 km (0.108 R)
• M12: 9,711,744 km (0.067 R)
• M13: 10,104,738 km (0.112 R)
• M14: 12,230,823 km (0.073 R)
• M15: 12,805,578 km (0.087 R)
• M16: 14,766,058 km (0.051 R)
• M17: 15,817,731 km (0.094 R)
• M18: 19,891,879 km (0.098 R)
• M19: 23,022,963 km (0.09 R)
• M20: 23,283,413 km (0.052 R)
• M21: 26,373,057 km (0.089 R)
• M22: 27,428,470 km (0.112 R)
• M23: 33,020,289 km (0.075 R)
• M24: 34,471,688 km (0.107 R)
• M25: 41,723,893 km (0.066 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: 361 - 11,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit