🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.4

Radius: 8.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 13.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,163,985 km

• M1: 103,223 km (0.092 R)
• M2: 413,638 km (0.115 R)
• M3: 771,476 km (0.105 R)
• M4: 1,105,977 km (0.118 R)
• M5: 1,394,252 km (0.082 R)
• M6: 1,656,796 km (0.048 R)
• M7: 1,952,701 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.2

Radius: 9.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.35 AU - 1.43 AU

Year: 1112 Days

Day: 9 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,163,985 km

• M1: 114,742 km (0.083 R)
• M2: 433,385 km (0.084 R)
• M3: 923,318 km (0.088 R)
• M4: 1,326,335 km (0.066 R)
• M5: 1,739,973 km (0.031 R)
• M6: 2,197,443 km (0.072 R)
• M7: 2,515,937 km (0.059 R)
• M8: 3,220,693 km (0.029 R)
• M9: 4,352,400 km (0.09 R)
• M10: 5,517,169 km (0.105 R)
• M11: 6,254,986 km (0.105 R)
• M12: 6,789,649 km (0.101 R)
• M13: 7,471,217 km (0.094 R)
• M14: 8,681,613 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.7

Radius: 13.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.38 AU - 2.24 AU

Year: 1652 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,163,985 km

• M1: 165,455 km (0.099 R)
• M2: 582,385 km (0.111 R)
• M3: 1,179,878 km (0.05 R)
• M4: 1,882,839 km (0.054 R)
• M5: 2,644,890 km (0.082 R)
• M6: 3,316,585 km (0.103 R)
• M7: 3,784,976 km (0.111 R)
• M8: 4,364,667 km (0.102 R)
• M9: 4,819,894 km (0.113 R)
• M10: 6,141,890 km (0.109 R)
• M11: 6,625,091 km (0.092 R)
• M12: 7,157,211 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.5

Radius: 13.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.66 AU - 2.72 AU

Year: 2198 Days

Day: 9.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,163,985 km

• M1: 171,888 km (0.11 R)
• M2: 658,679 km (0.117 R)
• M3: 1,518,568 km (0.102 R)
• M4: 2,175,901 km (0.108 R)
• M5: 3,178,057 km (0.107 R)
• M6: 4,193,079 km (0.119 R)
• M7: 4,640,227 km (0.04 R)
• M8: 5,223,210 km (0.039 R)
• M9: 6,130,970 km (0.096 R)
• M10: 7,537,788 km (0.085 R)
• M11: 8,520,646 km (0.066 R)
• M12: 9,088,968 km (0.086 R)
• M13: 10,335,268 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.7

Radius: 8.9

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2 AU - 2.8 AU

Year: 2522 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,163,985 km

• M1: 110,702 km (0.109 R)
• M2: 440,865 km (0.076 R)
• M3: 738,714 km (0.12 R)
• M4: 1,101,190 km (0.1 R)
• M5: 1,518,418 km (0.112 R)
• M6: 2,183,231 km (0.028 R)
• M7: 2,658,653 km (0.1 R)
• M8: 2,996,146 km (0.113 R)
• M9: 4,205,944 km (0.071 R)
• M10: 5,898,195 km (0.104 R)
• M11: 6,279,071 km (0.099 R)
• M12: 6,763,619 km (0.096 R)
• M13: 7,489,767 km (0.062 R)
• M14: 8,200,357 km (0.075 R)
• M15: 8,572,108 km (0.09 R)
• M16: 9,868,074 km (0.085 R)
• M17: 11,166,583 km (0.102 R)
• M18: 12,575,496 km (0.073 R)
• M19: 13,438,377 km (0.094 R)
• M20: 14,147,171 km (0.097 R)
• M21: 15,282,170 km (0.093 R)
• M22: 15,897,766 km (0.072 R)
• M23: 19,404,789 km (0.056 R)
• M24: 20,187,634 km (0.119 R)
• M25: 20,679,811 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 8.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.62 AU - 3.1 AU

Year: 3281 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,163,985 km

• M1: 111,450 km (0.028 R)
• M2: 601,084 km (0.039 R)
• M3: 935,136 km (0.107 R)
• M4: 2,019,272 km (0.045 R)
• M5: 2,499,930 km (0.105 R)
• M6: 2,897,412 km (0.113 R)
• M7: 3,235,353 km (0.118 R)
• M8: 4,048,866 km (0.102 R)
• M9: 4,430,790 km (0.089 R)
• M10: 5,576,410 km (0.111 R)
• M11: 6,050,037 km (0.078 R)
• M12: 6,523,365 km (0.066 R)
• M13: 7,020,927 km (0.046 R)
• M14: 7,875,879 km (0.107 R)
• M15: 16,699,910 km (0.037 R)
• M16: 17,369,061 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 12.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.71 AU - 5.13 AU

Year: 7402 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,163,985 km

• M1: 153,039 km (0.075 R)
• M2: 586,573 km (0.108 R)
• M3: 1,078,601 km (0.038 R)
• M4: 1,572,573 km (0.082 R)
• M5: 2,248,157 km (0.106 R)
• M6: 2,856,571 km (0.051 R)
• M7: 3,572,547 km (0.102 R)
• M8: 4,081,628 km (0.105 R)
• M9: 5,660,185 km (0.113 R)
• M10: 6,256,781 km (0.113 R)
• M11: 8,067,514 km (0.117 R)
• M12: 9,540,754 km (0.09 R)
• M13: 10,024,853 km (0.057 R)
• M14: 11,042,417 km (0.095 R)
• M15: 11,675,366 km (0.072 R)
• M16: 15,810,401 km (0.059 R)
• M17: 17,123,421 km (0.056 R)
• M18: 19,054,430 km (0.067 R)
• M19: 19,471,509 km (0.077 R)
• M20: 20,759,098 km (0.101 R)
• M21: 21,648,607 km (0.113 R)
• M22: 22,718,232 km (0.092 R)
• M23: 27,882,350 km (0.095 R)
• M24: 29,795,258 km (0.118 R)
• M25: 32,975,709 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.4

Radius: 7

Gravity: 16.62 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.14 AU - 10.2 AU

Year: 15839 Days

Day: 22.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,163,985 km

• M1: 87,365 km (0.106 R)
• M2: 419,622 km (0.034 R)
• M3: 672,143 km (0.062 R)
• M4: 914,641 km (0.044 R)
• M5: 1,355,058 km (0.075 R)
• M6: 1,750,445 km (0.084 R)
• M7: 3,118,218 km (0.045 R)
• M8: 3,521,235 km (0.104 R)
• M9: 4,366,313 km (0.087 R)
• M10: 6,970,962 km (0.078 R)
• M11: 7,900,114 km (0.067 R)
• M12: 11,995,356 km (0.068 R)
• M13: 16,991,775 km (0.101 R)
• M14: 17,565,184 km (0.101 R)
• M15: 17,814,862 km (0.046 R)
• M16: 20,905,704 km (0.11 R)
• M17: 22,626,379 km (0.037 R)
• M18: 22,922,134 km (0.112 R)
• M19: 28,466,380 km (0.114 R)
• M20: 31,059,061 km (0.087 R)
• M21: 36,168,876 km (0.118 R)
• M22: 36,844,609 km (0.109 R)
• M23: 38,922,075 km (0.101 R)
• M24: 39,631,618 km (0.094 R)
• M25: 39,917,798 km (0.114 R)
• M26: 41,076,434 km (0.071 R)
• M27: 43,006,845 km (0.101 R)
• M28: 49,324,662 km (0.027 R)
• M29: 52,703,629 km (0.075 R)
• M30: 53,746,625 km (0.101 R)
• M31: 56,776,581 km (0.081 R)
• M32: 66,143,352 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.2

Radius: 4.2

Gravity: 27.11 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.36 AU - 12.18 AU

Year: 23973 Days

Day: 19.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,163,985 km

• M1: 74,051 km (0.066 R)
• M2: 231,278 km (0.067 R)
• M3: 549,922 km (0.07 R)
• M4: 698,323 km (0.11 R)
• M5: 896,241 km (0.098 R)
• M6: 1,199,177 km (0.119 R)
• M7: 2,888,136 km (0.078 R)
• M8: 3,096,826 km (0.067 R)
• M9: 3,400,210 km (0.109 R)
• M10: 3,573,744 km (0.118 R)
• M11: 4,429,593 km (0.093 R)
• M12: 6,103,593 km (0.112 R)
• M13: 10,267,799 km (0.107 R)
• M14: 13,205,004 km (0.119 R)
• M15: 13,347,122 km (0.081 R)
• M16: 16,084,763 km (0.084 R)
• M17: 16,823,328 km (0.102 R)
• M18: 23,668,777 km (0.071 R)
• M19: 25,383,168 km (0.109 R)
• M20: 27,063,900 km (0.076 R)
• M21: 32,161,897 km (0.108 R)
• M22: 33,463,398 km (0.102 R)
• M23: 33,860,730 km (0.066 R)
• M24: 43,258,169 km (0.084 R)
• M25: 47,125,124 km (0.08 R)
• M26: 48,294,830 km (0.097 R)
• M27: 49,312,844 km (0.059 R)
• M28: 51,216,177 km (0.032 R)
• M29: 56,094,414 km (0.075 R)
• M30: 57,218,942 km (0.097 R)
• M31: 58,358,429 km (0.099 R)
• M32: 69,302,710 km (0.04 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: 483 - 18,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit