🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.5

Radius: 13.9

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.48 AU - 0.66 AU

Year: 297 Days

Day: 7.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,780,869 km

• M1: 173,683 km (0.045 R)
• M2: 608,265 km (0.119 R)
• M3: 1,126,622 km (0.117 R)
• M4: 1,584,840 km (0.057 R)
• M5: 2,350,931 km (0.037 R)
• M6: 2,937,953 km (0.04 R)
• M7: 3,576,287 km (0.109 R)
• M8: 4,064,574 km (0.114 R)
• M9: 4,874,347 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.6

Radius: 10.9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.6 AU - 0.76 AU

Year: 387 Days

Day: 5 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,780,869 km

• M1: 135,685 km (0.075 R)
• M2: 499,956 km (0.088 R)
• M3: 893,997 km (0.099 R)
• M4: 1,341,743 km (0.113 R)
• M5: 1,723,966 km (0.102 R)
• M6: 2,080,607 km (0.092 R)
• M7: 2,477,790 km (0.087 R)
• M8: 2,935,858 km (0.077 R)
• M9: 3,290,854 km (0.047 R)
• M10: 3,747,726 km (0.101 R)
• M11: 4,180,213 km (0.04 R)
• M12: 4,688,696 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 15

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.98 AU - 1 AU

Year: 680 Days

Day: 7.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,780,869 km

• M1: 187,297 km (0.089 R)
• M2: 750,383 km (0.112 R)
• M3: 1,332,917 km (0.093 R)
• M4: 1,857,557 km (0.092 R)
• M5: 2,565,903 km (0.08 R)
• M6: 3,046,710 km (0.052 R)
• M7: 3,672,777 km (0.043 R)
• M8: 4,209,834 km (0.066 R)
• M9: 4,697,373 km (0.091 R)
• M10: 6,392,616 km (0.081 R)
• M11: 6,907,233 km (0.117 R)
• M12: 8,341,278 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.6

Radius: 10.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.13 AU - 1.85 AU

Year: 1255 Days

Day: 11.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,780,869 km

• M1: 136,433 km (0.077 R)
• M2: 753,524 km (0.082 R)
• M3: 1,853,817 km (0.069 R)
• M4: 2,625,592 km (0.068 R)
• M5: 3,181,348 km (0.104 R)
• M6: 3,524,825 km (0.071 R)
• M7: 5,041,448 km (0.097 R)
• M8: 6,859,960 km (0.036 R)
• M9: 7,462,241 km (0.06 R)
• M10: 8,390,945 km (0.06 R)
• M11: 9,108,416 km (0.111 R)
• M12: 9,926,417 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.3

Radius: 12.2

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.05 AU - 4.01 AU

Year: 4578 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,780,869 km

• M1: 151,991 km (0.088 R)
• M2: 551,717 km (0.101 R)
• M3: 992,432 km (0.068 R)
• M4: 1,374,056 km (0.048 R)
• M5: 1,764,357 km (0.079 R)
• M6: 2,214,796 km (0.056 R)
• M7: 3,393,329 km (0.055 R)
• M8: 4,051,410 km (0.091 R)
• M9: 5,032,772 km (0.111 R)
• M10: 5,536,468 km (0.083 R)
• M11: 7,463,139 km (0.113 R)
• M12: 9,217,174 km (0.106 R)
• M13: 9,930,307 km (0.102 R)
• M14: 11,609,842 km (0.079 R)
• M15: 12,094,539 km (0.103 R)
• M16: 13,790,979 km (0.117 R)
• M17: 15,466,176 km (0.041 R)
• M18: 19,690,820 km (0.098 R)
• M19: 20,381,214 km (0.07 R)
• M20: 21,016,257 km (0.108 R)
• M21: 24,234,406 km (0.118 R)
• M22: 24,628,746 km (0.061 R)
• M23: 27,425,030 km (0.113 R)
• M24: 28,286,265 km (0.091 R)
• M25: 30,426,711 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 10.7

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.43 AU - 4.47 AU

Year: 6480 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,780,869 km

• M1: 133,142 km (0.116 R)
• M2: 620,233 km (0.065 R)
• M3: 1,432,998 km (0.118 R)
• M4: 2,032,736 km (0.112 R)
• M5: 2,582,358 km (0.119 R)
• M6: 3,121,210 km (0.042 R)
• M7: 3,930,086 km (0.104 R)
• M8: 5,138,836 km (0.083 R)
• M9: 5,861,843 km (0.085 R)
• M10: 6,615,667 km (0.1 R)
• M11: 7,016,140 km (0.108 R)
• M12: 7,706,534 km (0.112 R)
• M13: 8,782,891 km (0.098 R)
• M14: 11,386,343 km (0.118 R)
• M15: 12,339,880 km (0.063 R)
• M16: 15,456,901 km (0.08 R)
• M17: 18,773,785 km (0.075 R)
• M18: 19,578,771 km (0.068 R)
• M19: 21,414,935 km (0.104 R)
• M20: 25,961,514 km (0.095 R)
• M21: 27,330,185 km (0.108 R)
• M22: 27,703,132 km (0.109 R)
• M23: 31,316,220 km (0.083 R)
• M24: 34,358,891 km (0.102 R)
• M25: 35,012,185 km (0.097 R)
• M26: 35,563,004 km (0.106 R)
• M27: 38,637,240 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.1

Radius: 6.6

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.47 AU - 6.61 AU

Year: 10246 Days

Day: 18.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,780,869 km

• M1: 82,728 km (0.091 R)
• M2: 302,636 km (0.069 R)
• M3: 608,265 km (0.068 R)
• M4: 878,887 km (0.047 R)
• M5: 1,097,899 km (0.063 R)
• M6: 1,812,528 km (0.085 R)
• M7: 2,224,221 km (0.113 R)
• M8: 2,832,486 km (0.099 R)
• M9: 3,783,779 km (0.057 R)
• M10: 4,071,306 km (0.084 R)
• M11: 4,394,138 km (0.113 R)
• M12: 4,647,258 km (0.083 R)
• M13: 8,240,000 km (0.09 R)
• M14: 9,193,088 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.3

Radius: 6.1

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.61 AU - 7.87 AU

Year: 13447 Days

Day: 17.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,780,869 km

• M1: 77,193 km (0.099 R)
• M2: 321,785 km (0.106 R)
• M3: 523,593 km (0.117 R)
• M4: 1,032,824 km (0.026 R)
• M5: 1,580,950 km (0.097 R)
• M6: 1,898,696 km (0.071 R)
• M7: 3,153,074 km (0.073 R)
• M8: 3,420,256 km (0.073 R)
• M9: 5,885,479 km (0.108 R)
• M10: 6,323,352 km (0.056 R)
• M11: 8,066,018 km (0.097 R)
• M12: 8,294,753 km (0.083 R)
• M13: 8,566,872 km (0.087 R)
• M14: 8,885,366 km (0.088 R)
• M15: 14,101,544 km (0.031 R)
• M16: 14,378,001 km (0.086 R)
• M17: 14,658,048 km (0.11 R)
• M18: 17,156,183 km (0.105 R)
• M19: 22,373,110 km (0.099 R)
• M20: 29,088,558 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.3

Radius: 3.6

Gravity: 75.41 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.18 AU - 7.48 AU

Year: 13698 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,780,869 km

• M1: 44,730 km (0.113 R)
• M2: 171,589 km (0.076 R)
• M3: 395,088 km (0.072 R)
• M4: 843,582 km (0.102 R)
• M5: 1,282,503 km (0.105 R)
• M6: 5,407,065 km (0.096 R)
• M7: 6,561,063 km (0.11 R)
• M8: 9,779,662 km (0.107 R)
• M9: 10,344,394 km (0.097 R)
• M10: 16,205,189 km (0.039 R)
• M11: 25,601,282 km (0.044 R)
• M12: 27,216,041 km (0.103 R)
• M13: 28,555,840 km (0.039 R)
• M14: 29,011,964 km (0.029 R)
• M15: 32,589,298 km (0.07 R)
• M16: 34,612,160 km (0.086 R)
• M17: 35,918,150 km (0.109 R)
• M18: 36,050,544 km (0.086 R)
• M19: 49,018,285 km (0.082 R)
• M20: 49,508,069 km (0.087 R)
• M21: 49,836,436 km (0.083 R)
• M22: 60,000,415 km (0.067 R)
• M23: 60,373,512 km (0.103 R)
• M24: 64,973,048 km (0.118 R)
• M25: 65,366,490 km (0.101 R)
• M26: 65,761,578 km (0.111 R)

Asteroid Belt

Center: 8.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.3

Radius: 6.1

Gravity: 16.89 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.87 AU - 11.47 AU

Year: 20756 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,780,869 km

• M1: 75,846 km (0.111 R)
• M2: 374,443 km (0.091 R)
• M3: 728,093 km (0.079 R)
• M4: 1,773,632 km (0.093 R)
• M5: 4,004,585 km (0.119 R)
• M6: 4,197,267 km (0.111 R)
• M7: 6,747,014 km (0.095 R)
• M8: 8,659,323 km (0.056 R)
• M9: 12,129,545 km (0.115 R)
• M10: 12,948,145 km (0.102 R)
• M11: 15,388,086 km (0.048 R)
• M12: 16,022,680 km (0.12 R)
• M13: 26,154,196 km (0.117 R)
• M14: 27,171,461 km (0.037 R)
• M15: 27,980,935 km (0.098 R)
• M16: 28,215,056 km (0.063 R)
• M17: 30,877,898 km (0.085 R)
• M18: 32,398,710 km (0.051 R)
• M19: 38,114,545 km (0.112 R)
• M20: 39,863,195 km (0.085 R)
• M21: 40,607,295 km (0.083 R)
• M22: 41,058,332 km (0.097 R)
• M23: 49,243,430 km (0.097 R)
• M24: 55,081,038 km (0.085 R)
• M25: 57,124,994 km (0.094 R)
• M26: 60,773,537 km (0.114 R)
• M27: 62,955,272 km (0.117 R)
• M28: 63,559,199 km (0.06 R)
• M29: 64,983,370 km (0.081 R)
• M30: 69,383,642 km (0.072 R)
• M31: 70,459,849 km (0.113 R)
• M32: 71,110,899 km (0.116 R)
• M33: 72,424,967 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 15,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit