🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.8

Radius: 8.2

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.67 AU - 0.81 AU

Year: 432 Days

Day: 11.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,125,622 km

• M1: 102,175 km (0.078 R)
• M2: 485,744 km (0.088 R)
• M3: 1,215,184 km (0.111 R)
• M4: 1,896,003 km (0.084 R)
• M5: 2,431,863 km (0.092 R)
• M6: 2,950,818 km (0.117 R)
• M7: 3,671,132 km (0.035 R)
• M8: 4,130,696 km (0.096 R)
• M9: 4,783,542 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.9

Radius: 9

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.93 AU - 1.05 AU

Year: 668 Days

Day: 5.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,125,622 km

• M1: 111,899 km (0.097 R)
• M2: 506,239 km (0.118 R)
• M3: 1,021,155 km (0.071 R)
• M4: 1,449,903 km (0.098 R)
• M5: 2,022,563 km (0.089 R)
• M6: 2,535,086 km (0.084 R)
• M7: 2,873,476 km (0.097 R)
• M8: 3,548,910 km (0.109 R)
• M9: 4,103,769 km (0.054 R)
• M10: 4,433,034 km (0.032 R)
• M11: 4,877,489 km (0.078 R)
• M12: 5,599,747 km (0.072 R)
• M13: 6,274,135 km (0.07 R)
• M14: 6,752,997 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 11.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.84 AU - 1.16 AU

Year: 678 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,125,622 km

• M1: 143,464 km (0.075 R)
• M2: 532,120 km (0.066 R)
• M3: 1,061,846 km (0.054 R)
• M4: 1,439,580 km (0.069 R)
• M5: 1,861,297 km (0.111 R)
• M6: 2,402,991 km (0.097 R)
• M7: 2,916,859 km (0.083 R)
• M8: 3,299,381 km (0.087 R)
• M9: 3,702,846 km (0.115 R)
• M10: 4,125,460 km (0.076 R)
• M11: 4,565,727 km (0.105 R)
• M12: 5,591,370 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 10.1

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.97 AU - 1.09 AU

Year: 709 Days

Day: 5.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,125,622 km

• M1: 125,662 km (0.11 R)
• M2: 543,040 km (0.089 R)
• M3: 894,894 km (0.11 R)
• M4: 1,551,629 km (0.097 R)
• M5: 2,242,622 km (0.11 R)
• M6: 2,777,584 km (0.094 R)
• M7: 3,445,538 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 13.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1 AU - 1.56 AU

Year: 982 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,125,622 km

• M1: 165,455 km (0.07 R)
• M2: 777,311 km (0.115 R)
• M3: 1,270,086 km (0.12 R)
• M4: 1,964,669 km (0.092 R)
• M5: 3,141,555 km (0.046 R)
• M6: 3,721,696 km (0.075 R)
• M7: 4,153,136 km (0.092 R)
• M8: 4,707,995 km (0.075 R)
• M9: 5,214,383 km (0.085 R)
• M10: 5,715,686 km (0.105 R)
• M11: 8,504,489 km (0.086 R)
• M12: 9,637,544 km (0.059 R)
• M13: 10,614,567 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 14.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.33 AU - 1.41 AU

Year: 1088 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,125,622 km

• M1: 182,809 km (0.101 R)
• M2: 798,404 km (0.085 R)
• M3: 1,270,086 km (0.117 R)
• M4: 1,751,941 km (0.102 R)
• M5: 2,658,504 km (0.093 R)
• M6: 3,296,389 km (0.118 R)
• M7: 3,876,081 km (0.049 R)
• M8: 4,558,696 km (0.082 R)
• M9: 5,184,613 km (0.078 R)
• M10: 5,972,994 km (0.076 R)
• M11: 7,292,298 km (0.069 R)
• M12: 8,310,162 km (0.071 R)
• M13: 8,770,624 km (0.075 R)
• M14: 9,334,159 km (0.105 R)

Asteroid Belt

Center: 1.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.9

Radius: 11.6

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.45 AU - 2.33 AU

Year: 1762 Days

Day: 13.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,125,622 km

• M1: 144,212 km (0.102 R)
• M2: 527,781 km (0.045 R)
• M3: 1,138,589 km (0.075 R)
• M4: 2,013,887 km (0.078 R)
• M5: 2,496,788 km (0.055 R)
• M6: 2,965,179 km (0.085 R)
• M7: 3,475,009 km (0.092 R)
• M8: 4,024,183 km (0.117 R)
• M9: 4,610,008 km (0.097 R)
• M10: 5,252,232 km (0.082 R)
• M11: 6,956,451 km (0.118 R)
• M12: 8,434,478 km (0.099 R)
• M13: 9,003,099 km (0.036 R)
• M14: 9,938,385 km (0.057 R)
• M15: 11,011,151 km (0.085 R)
• M16: 11,884,653 km (0.114 R)
• M17: 12,600,030 km (0.101 R)
• M18: 14,248,449 km (0.099 R)
• M19: 15,799,031 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.71 AU - 4.13 AU

Year: 5264 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,125,622 km

• M1: 112,049 km (0.11 R)
• M2: 521,648 km (0.084 R)
• M3: 1,023,549 km (0.091 R)
• M4: 1,494,483 km (0.11 R)
• M5: 2,855,375 km (0.107 R)
• M6: 3,254,502 km (0.06 R)
• M7: 4,142,814 km (0.093 R)
• M8: 4,440,962 km (0.101 R)
• M9: 4,728,938 km (0.105 R)
• M10: 5,396,145 km (0.113 R)
• M11: 6,949,120 km (0.105 R)
• M12: 7,949,780 km (0.108 R)
• M13: 9,196,828 km (0.112 R)
• M14: 12,733,172 km (0.06 R)
• M15: 13,515,719 km (0.106 R)
• M16: 17,319,993 km (0.102 R)
• M17: 19,980,441 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.5

Radius: 6.4

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.97 AU - 6.47 AU

Year: 9279 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,125,622 km

• M1: 79,586 km (0.105 R)
• M2: 280,496 km (0.088 R)
• M3: 570,716 km (0.081 R)
• M4: 873,053 km (0.119 R)
• M5: 2,142,242 km (0.075 R)
• M6: 4,009,073 km (0.032 R)
• M7: 4,759,606 km (0.065 R)
• M8: 5,029,480 km (0.071 R)
• M9: 6,319,313 km (0.053 R)
• M10: 7,898,468 km (0.108 R)
• M11: 8,580,335 km (0.101 R)
• M12: 12,031,409 km (0.109 R)
• M13: 14,933,607 km (0.093 R)
• M14: 15,448,075 km (0.085 R)
• M15: 15,841,517 km (0.06 R)
• M16: 16,580,231 km (0.098 R)
• M17: 17,838,200 km (0.102 R)
• M18: 19,842,662 km (0.105 R)
• M19: 21,018,800 km (0.03 R)
• M20: 22,574,169 km (0.072 R)
• M21: 23,422,987 km (0.092 R)
• M22: 24,469,425 km (0.053 R)
• M23: 25,093,996 km (0.081 R)
• M24: 26,655,049 km (0.101 R)
• M25: 27,316,272 km (0.027 R)
• M26: 28,967,384 km (0.051 R)
• M27: 33,987,140 km (0.077 R)
• M28: 35,667,274 km (0.036 R)
• M29: 37,755,660 km (0.103 R)
• M30: 38,950,349 km (0.112 R)
• M31: 40,293,438 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809

Radius: 3.6

Gravity: 62.42 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.11 AU - 9.11 AU

Year: 14239 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 64,125,622 km

• M1: 44,730 km (0.103 R)
• M2: 188,793 km (0.072 R)
• M3: 1,392,008 km (0.112 R)
• M4: 1,607,579 km (0.08 R)
• M5: 1,953,748 km (0.037 R)
• M6: 2,144,635 km (0.088 R)
• M7: 2,653,417 km (0.071 R)
• M8: 4,176,773 km (0.072 R)
• M9: 4,558,995 km (0.114 R)
• M10: 4,792,368 km (0.056 R)
• M11: 5,540,806 km (0.084 R)
• M12: 5,806,641 km (0.097 R)
• M13: 6,081,004 km (0.107 R)
• M14: 7,355,428 km (0.097 R)
• M15: 7,537,788 km (0.106 R)
• M16: 8,248,677 km (0.101 R)
• M17: 9,370,511 km (0.079 R)
• M18: 10,247,753 km (0.06 R)
• M19: 12,418,867 km (0.051 R)
• M20: 17,160,073 km (0.12 R)
• M21: 24,363,659 km (0.06 R)
• M22: 24,870,945 km (0.093 R)
• M23: 25,801,893 km (0.096 R)
• M24: 29,873,348 km (0.083 R)
• M25: 31,161,685 km (0.093 R)
• M26: 32,731,266 km (0.1 R)
• M27: 33,100,922 km (0.052 R)
• M28: 36,950,824 km (0.072 R)
• M29: 37,084,115 km (0.061 R)
• M30: 38,161,519 km (0.119 R)
• M31: 40,661,748 km (0.075 R)
• M32: 42,387,809 km (0.086 R)
• M33: 43,565,443 km (0.108 R)
• M34: 45,985,488 km (0.11 R)
• M35: 50,433,481 km (0.059 R)
• M36: 51,091,413 km (0.041 R)
• M37: 55,508,290 km (0.1 R)
• M38: 56,385,831 km (0.12 R)
• M39: 56,916,754 km (0.034 R)
• M40: 61,471,710 km (0.036 R)
• M41: 63,359,785 km (0.059 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 18,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit