🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.6

Radius: 14.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.57 AU - 0.85 AU

Year: 406 Days

Day: 12 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,960,129 km

• M1: 176,675 km (0.101 R)
• M2: 692,638 km (0.099 R)
• M3: 1,222,514 km (0.081 R)
• M4: 1,762,712 km (0.066 R)
• M5: 2,339,860 km (0.112 R)
• M6: 2,919,552 km (0.06 R)
• M7: 3,478,749 km (0.114 R)
• M8: 4,007,428 km (0.113 R)
• M9: 4,945,406 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 12.4

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.26 AU - 1.44 AU

Year: 1064 Days

Day: 5.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,960,129 km

• M1: 154,235 km (0.117 R)
• M2: 565,330 km (0.054 R)
• M3: 1,070,223 km (0.054 R)
• M4: 1,575,714 km (0.081 R)
• M5: 2,195,798 km (0.088 R)
• M6: 2,600,759 km (0.118 R)
• M7: 4,128,901 km (0.038 R)
• M8: 4,903,818 km (0.119 R)
• M9: 6,122,293 km (0.086 R)
• M10: 7,204,933 km (0.074 R)
• M11: 8,383,614 km (0.101 R)
• M12: 9,901,135 km (0.095 R)
• M13: 10,790,494 km (0.055 R)
• M14: 11,288,506 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.1

Radius: 9.3

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.9 AU - 2.04 AU

Year: 1875 Days

Day: 12.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,960,129 km

• M1: 115,639 km (0.117 R)
• M2: 499,956 km (0.091 R)
• M3: 932,444 km (0.114 R)
• M4: 1,792,631 km (0.059 R)
• M5: 2,441,288 km (0.046 R)
• M6: 3,047,757 km (0.106 R)
• M7: 3,386,896 km (0.098 R)
• M8: 3,805,620 km (0.081 R)
• M9: 4,103,619 km (0.117 R)
• M10: 4,518,604 km (0.092 R)
• M11: 5,317,905 km (0.093 R)
• M12: 5,739,472 km (0.061 R)
• M13: 6,107,782 km (0.039 R)
• M14: 6,570,488 km (0.119 R)
• M15: 7,223,632 km (0.085 R)
• M16: 8,532,913 km (0.116 R)
• M17: 9,716,531 km (0.084 R)
• M18: 11,231,808 km (0.098 R)
• M19: 13,661,128 km (0.095 R)
• M20: 14,453,398 km (0.1 R)
• M21: 15,275,887 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.4

Radius: 13.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.52 AU - 3.62 AU

Year: 3648 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,960,129 km

• M1: 170,392 km (0.079 R)
• M2: 702,212 km (0.091 R)
• M3: 1,175,839 km (0.086 R)
• M4: 1,761,066 km (0.119 R)
• M5: 2,728,815 km (0.051 R)
• M6: 3,323,765 km (0.049 R)
• M7: 3,940,857 km (0.113 R)
• M8: 5,921,682 km (0.092 R)
• M9: 6,529,049 km (0.093 R)
• M10: 6,956,899 km (0.052 R)
• M11: 7,600,769 km (0.091 R)
• M12: 9,385,920 km (0.091 R)
• M13: 11,700,797 km (0.076 R)
• M14: 13,038,801 km (0.053 R)
• M15: 15,420,698 km (0.085 R)
• M16: 17,431,742 km (0.101 R)
• M17: 18,259,318 km (0.114 R)
• M18: 18,866,236 km (0.073 R)
• M19: 19,361,405 km (0.094 R)
• M20: 20,507,475 km (0.066 R)
• M21: 22,379,542 km (0.104 R)
• M22: 22,864,838 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 12.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.21 AU - 5.33 AU

Year: 7066 Days

Day: 5 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,960,129 km

• M1: 156,629 km (0.068 R)
• M2: 734,825 km (0.088 R)
• M3: 1,359,097 km (0.093 R)
• M4: 1,865,037 km (0.091 R)
• M5: 2,373,071 km (0.088 R)
• M6: 3,096,227 km (0.111 R)
• M7: 4,189,040 km (0.082 R)
• M8: 4,614,945 km (0.111 R)
• M9: 6,374,814 km (0.116 R)
• M10: 7,273,748 km (0.06 R)
• M11: 8,842,730 km (0.082 R)
• M12: 9,547,934 km (0.097 R)
• M13: 10,481,724 km (0.078 R)
• M14: 12,639,973 km (0.082 R)
• M15: 14,293,478 km (0.095 R)
• M16: 17,818,453 km (0.12 R)
• M17: 25,819,844 km (0.118 R)
• M18: 27,628,632 km (0.078 R)
• M19: 28,848,753 km (0.034 R)
• M20: 30,596,953 km (0.083 R)
• M21: 32,517,940 km (0.083 R)
• M22: 34,625,474 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.7

Radius: 11.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.03 AU - 5.69 AU

Year: 8417 Days

Day: 13.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,960,129 km

• M1: 147,055 km (0.085 R)
• M2: 1,612,216 km (0.106 R)
• M3: 2,250,550 km (0.118 R)
• M4: 3,109,093 km (0.074 R)
• M5: 3,734,860 km (0.113 R)
• M6: 4,620,480 km (0.095 R)
• M7: 5,379,689 km (0.117 R)
• M8: 6,002,166 km (0.076 R)
• M9: 10,611,426 km (0.054 R)
• M10: 12,528,822 km (0.105 R)
• M11: 13,409,953 km (0.056 R)
• M12: 14,056,366 km (0.066 R)
• M13: 14,498,726 km (0.087 R)
• M14: 15,122,250 km (0.035 R)
• M15: 15,528,109 km (0.085 R)
• M16: 16,060,827 km (0.105 R)
• M17: 18,249,145 km (0.062 R)
• M18: 20,207,381 km (0.112 R)
• M19: 20,771,365 km (0.098 R)
• M20: 22,752,639 km (0.075 R)
• M21: 29,719,412 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.4

Radius: 10.3

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.05 AU - 5.97 AU

Year: 8772 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,960,129 km

• M1: 128,056 km (0.071 R)
• M2: 505,042 km (0.084 R)
• M3: 833,709 km (0.109 R)
• M4: 1,228,947 km (0.114 R)
• M5: 1,646,175 km (0.058 R)
• M6: 2,356,615 km (0.049 R)
• M7: 3,936,070 km (0.117 R)
• M8: 4,917,581 km (0.107 R)
• M9: 5,366,225 km (0.096 R)
• M10: 6,309,141 km (0.113 R)
• M11: 7,116,072 km (0.117 R)
• M12: 7,904,153 km (0.092 R)
• M13: 8,297,296 km (0.055 R)
• M14: 8,981,557 km (0.037 R)
• M15: 9,361,536 km (0.083 R)
• M16: 10,514,486 km (0.081 R)
• M17: 11,315,882 km (0.071 R)
• M18: 12,100,074 km (0.092 R)
• M19: 14,999,131 km (0.099 R)
• M20: 17,658,832 km (0.073 R)
• M21: 20,536,347 km (0.111 R)
• M22: 21,957,826 km (0.075 R)
• M23: 23,712,758 km (0.045 R)
• M24: 26,809,734 km (0.099 R)
• M25: 34,252,527 km (0.057 R)
• M26: 34,831,620 km (0.06 R)
• M27: 35,890,324 km (0.068 R)
• M28: 39,195,091 km (0.065 R)
• M29: 40,856,375 km (0.086 R)
• M30: 42,831,067 km (0.094 R)
• M31: 45,840,976 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922

Radius: 6.4

Gravity: 22.51 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.79 AU - 7.93 AU

Year: 13543 Days

Day: 24.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,960,129 km

• M1: 80,035 km (0.11 R)
• M2: 280,945 km (0.097 R)
• M3: 597,195 km (0.062 R)
• M4: 797,057 km (0.096 R)
• M5: 1,530,536 km (0.068 R)
• M6: 2,140,746 km (0.034 R)
• M7: 3,048,356 km (0.098 R)
• M8: 5,591,220 km (0.092 R)
• M9: 6,134,261 km (0.113 R)
• M10: 6,627,036 km (0.115 R)
• M11: 10,381,494 km (0.088 R)
• M12: 12,573,551 km (0.114 R)
• M13: 13,233,428 km (0.087 R)
• M14: 14,336,562 km (0.046 R)
• M15: 17,120,429 km (0.103 R)
• M16: 18,261,562 km (0.087 R)
• M17: 20,067,058 km (0.067 R)
• M18: 24,736,158 km (0.078 R)
• M19: 27,266,755 km (0.075 R)
• M20: 27,594,674 km (0.078 R)
• M21: 28,036,137 km (0.068 R)
• M22: 31,139,694 km (0.087 R)
• M23: 32,712,566 km (0.088 R)
• M24: 35,884,939 km (0.036 R)
• M25: 39,117,599 km (0.119 R)
• M26: 40,378,410 km (0.072 R)
• M27: 48,356,614 km (0.082 R)
• M28: 48,837,272 km (0.086 R)
• M29: 55,029,726 km (0.069 R)
• M30: 57,145,190 km (0.071 R)
• M31: 58,766,980 km (0.106 R)
• M32: 59,314,209 km (0.11 R)
• M33: 63,241,153 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.2

Radius: 4.1

Gravity: 51.41 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.67 AU - 10.27 AU

Year: 16719 Days

Day: 19.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,960,129 km

• M1: 51,162 km (0.04 R)
• M2: 218,712 km (0.096 R)
• M3: 366,814 km (0.083 R)
• M4: 497,862 km (0.095 R)
• M5: 765,492 km (0.033 R)
• M6: 1,084,285 km (0.109 R)
• M7: 1,685,968 km (0.078 R)
• M8: 1,999,974 km (0.068 R)
• M9: 3,895,828 km (0.106 R)
• M10: 4,682,264 km (0.083 R)
• M11: 4,966,500 km (0.104 R)
• M12: 5,888,322 km (0.075 R)
• M13: 7,194,012 km (0.064 R)
• M14: 11,341,314 km (0.056 R)
• M15: 14,647,576 km (0.057 R)
• M16: 15,101,307 km (0.086 R)
• M17: 22,374,456 km (0.079 R)
• M18: 22,573,720 km (0.103 R)
• M19: 23,382,895 km (0.051 R)
• M20: 27,720,186 km (0.086 R)
• M21: 30,320,048 km (0.114 R)
• M22: 32,692,221 km (0.095 R)
• M23: 34,384,771 km (0.048 R)
• M24: 41,289,012 km (0.109 R)
• M25: 52,672,064 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 11,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit