🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.96 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 10.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.61 AU - 2.21 AU

Year: 1822 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,817,887 km

• M1: 131,197 km (0.061 R)
• M2: 463,305 km (0.088 R)
• M3: 821,143 km (0.077 R)
• M4: 1,419,385 km (0.056 R)
• M5: 2,044,105 km (0.1 R)
• M6: 2,568,446 km (0.064 R)
• M7: 3,237,148 km (0.116 R)
• M8: 3,904,056 km (0.077 R)
• M9: 4,322,331 km (0.088 R)
• M10: 6,214,894 km (0.108 R)
• M11: 6,929,523 km (0.057 R)
• M12: 9,552,422 km (0.069 R)
• M13: 9,883,034 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.5

Radius: 11.5

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.39 AU - 3.31 AU

Year: 3321 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,817,887 km

• M1: 159,621 km (0.053 R)
• M2: 714,180 km (0.076 R)
• M3: 1,362,388 km (0.092 R)
• M4: 2,199,687 km (0.069 R)
• M5: 3,111,037 km (0.079 R)
• M6: 3,719,601 km (0.07 R)
• M7: 4,093,447 km (0.104 R)
• M8: 5,010,182 km (0.07 R)
• M9: 6,466,966 km (0.107 R)
• M10: 7,677,363 km (0.12 R)
• M11: 8,123,613 km (0.036 R)
• M12: 12,559,639 km (0.116 R)
• M13: 15,116,566 km (0.082 R)
• M14: 16,126,800 km (0.1 R)
• M15: 16,966,942 km (0.071 R)
• M16: 19,079,114 km (0.057 R)
• M17: 19,486,619 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.6

Radius: 11

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.04 AU - 3.34 AU

Year: 3933 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,817,887 km

• M1: 136,732 km (0.089 R)
• M2: 595,100 km (0.038 R)
• M3: 956,379 km (0.038 R)
• M4: 1,478,925 km (0.116 R)
• M5: 1,897,649 km (0.05 R)
• M6: 2,359,757 km (0.12 R)
• M7: 4,487,637 km (0.05 R)
• M8: 4,988,491 km (0.113 R)
• M9: 6,217,886 km (0.119 R)
• M10: 7,143,149 km (0.106 R)
• M11: 8,213,821 km (0.087 R)
• M12: 11,744,031 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.8

Radius: 10.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.59 AU - 6.11 AU

Year: 8542 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,817,887 km

• M1: 126,859 km (0.088 R)
• M2: 609,163 km (0.111 R)
• M3: 1,247,347 km (0.109 R)
• M4: 2,875,869 km (0.103 R)
• M5: 3,663,502 km (0.06 R)
• M6: 5,862,142 km (0.105 R)
• M7: 8,411,739 km (0.093 R)
• M8: 11,038,827 km (0.117 R)
• M9: 11,760,936 km (0.106 R)
• M10: 14,326,988 km (0.106 R)
• M11: 15,853,036 km (0.115 R)
• M12: 23,633,023 km (0.118 R)
• M13: 26,307,683 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.8

Radius: 4.5

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.41 AU - 7.71 AU

Year: 12948 Days

Day: 23.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,817,887 km

• M1: 55,950 km (0.105 R)
• M2: 294,558 km (0.088 R)
• M3: 511,326 km (0.117 R)
• M4: 1,429,707 km (0.086 R)
• M5: 3,086,653 km (0.095 R)
• M6: 4,149,396 km (0.08 R)
• M7: 4,524,588 km (0.107 R)
• M8: 5,311,472 km (0.035 R)
• M9: 6,965,875 km (0.111 R)
• M10: 8,422,510 km (0.103 R)
• M11: 9,976,532 km (0.075 R)
• M12: 10,165,475 km (0.08 R)
• M13: 10,356,810 km (0.039 R)
• M14: 10,746,662 km (0.089 R)
• M15: 11,452,465 km (0.102 R)
• M16: 13,011,873 km (0.091 R)
• M17: 14,707,415 km (0.101 R)
• M18: 17,347,818 km (0.074 R)
• M19: 20,062,122 km (0.103 R)
• M20: 20,515,104 km (0.116 R)
• M21: 23,046,749 km (0.118 R)
• M22: 24,730,323 km (0.092 R)
• M23: 27,039,366 km (0.118 R)
• M24: 33,012,510 km (0.083 R)
• M25: 34,821,298 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.9

Radius: 7.4

Gravity: 15.47 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.16 AU - 8.8 AU

Year: 15560 Days

Day: 17.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,817,887 km

• M1: 96,491 km (0.111 R)
• M2: 379,979 km (0.107 R)
• M3: 627,563 km (0.119 R)
• M4: 1,209,200 km (0.077 R)
• M5: 2,011,194 km (0.111 R)
• M6: 2,373,969 km (0.105 R)
• M7: 2,779,678 km (0.044 R)
• M8: 3,530,211 km (0.116 R)
• M9: 3,818,186 km (0.044 R)
• M10: 4,573,805 km (0.11 R)
• M11: 6,505,263 km (0.1 R)
• M12: 7,346,452 km (0.027 R)
• M13: 8,459,460 km (0.096 R)
• M14: 9,351,512 km (0.026 R)
• M15: 12,801,090 km (0.117 R)
• M16: 18,092,366 km (0.055 R)
• M17: 19,213,453 km (0.081 R)
• M18: 20,748,477 km (0.09 R)
• M19: 21,121,275 km (0.112 R)
• M20: 22,953,100 km (0.115 R)
• M21: 26,600,297 km (0.06 R)
• M22: 27,040,264 km (0.083 R)
• M23: 28,047,955 km (0.03 R)
• M24: 30,857,104 km (0.117 R)
• M25: 31,099,453 km (0.073 R)
• M26: 33,464,445 km (0.112 R)
• M27: 37,852,600 km (0.074 R)
• M28: 39,254,481 km (0.067 R)
• M29: 41,421,706 km (0.076 R)
• M30: 43,515,178 km (0.075 R)
• M31: 44,897,612 km (0.098 R)
• M32: 49,055,685 km (0.096 R)
• M33: 50,384,862 km (0.114 R)
• M34: 54,516,606 km (0.032 R)
• M35: 56,122,389 km (0.103 R)
• M36: 59,803,394 km (0.093 R)
• M37: 68,051,174 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.4

Radius: 3.7

Gravity: 44.88 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.16 AU - 8.2 AU

Year: 16149 Days

Day: 24 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,817,887 km

• M1: 54,005 km (0.05 R)
• M2: 273,764 km (0.068 R)
• M3: 461,809 km (0.11 R)
• M4: 1,039,556 km (0.028 R)
• M5: 1,412,054 km (0.094 R)
• M6: 1,940,135 km (0.087 R)
• M7: 2,914,765 km (0.116 R)
• M8: 3,163,247 km (0.102 R)
• M9: 3,480,095 km (0.113 R)
• M10: 4,207,440 km (0.104 R)
• M11: 4,996,120 km (0.082 R)
• M12: 6,275,331 km (0.076 R)
• M13: 6,731,904 km (0.103 R)
• M14: 7,711,022 km (0.042 R)
• M15: 11,636,022 km (0.052 R)
• M16: 11,883,008 km (0.116 R)
• M17: 12,007,772 km (0.104 R)
• M18: 12,645,059 km (0.072 R)
• M19: 13,574,660 km (0.089 R)
• M20: 14,407,023 km (0.101 R)
• M21: 17,507,140 km (0.071 R)
• M22: 18,913,360 km (0.104 R)
• M23: 22,995,586 km (0.041 R)
• M24: 24,577,733 km (0.089 R)
• M25: 26,020,455 km (0.048 R)
• M26: 27,084,844 km (0.106 R)
• M27: 27,627,735 km (0.102 R)
• M28: 31,993,449 km (0.066 R)
• M29: 39,508,199 km (0.095 R)
• M30: 40,770,506 km (0.106 R)
• M31: 43,227,801 km (0.077 R)
• M32: 43,375,304 km (0.075 R)
• M33: 46,088,860 km (0.1 R)
• M34: 52,017,872 km (0.037 R)
• M35: 54,559,540 km (0.086 R)
• M36: 55,424,814 km (0.114 R)
• M37: 57,182,739 km (0.101 R)
• M38: 62,490,322 km (0.045 R)
• M39: 62,678,965 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.2

Radius: 3

Gravity: 110.69 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.26 AU - 9.96 AU

Year: 20563 Days

Day: 17.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,817,887 km

• M1: 37,549 km (0.068 R)
• M2: 217,067 km (0.106 R)
• M3: 357,838 km (0.075 R)
• M4: 688,150 km (0.087 R)
• M5: 838,646 km (0.115 R)
• M6: 1,147,715 km (0.071 R)
• M7: 2,781,024 km (0.064 R)
• M8: 2,886,790 km (0.066 R)
• M9: 3,337,379 km (0.116 R)
• M10: 7,065,358 km (0.079 R)
• M11: 7,413,322 km (0.106 R)
• M12: 9,092,858 km (0.051 R)
• M13: 11,545,066 km (0.091 R)
• M14: 16,899,922 km (0.058 R)
• M15: 17,701,467 km (0.116 R)
• M16: 19,961,891 km (0.103 R)
• M17: 26,556,913 km (0.115 R)
• M18: 28,005,320 km (0.109 R)
• M19: 29,505,487 km (0.027 R)
• M20: 30,017,262 km (0.118 R)
• M21: 31,454,897 km (0.114 R)
• M22: 32,664,845 km (0.062 R)
• M23: 37,218,005 km (0.032 R)
• M24: 43,646,076 km (0.109 R)
• M25: 50,047,968 km (0.081 R)
• M26: 54,710,185 km (0.049 R)
• M27: 55,482,110 km (0.106 R)
• M28: 70,416,765 km (0.094 R)
• M29: 70,644,303 km (0.038 R)
• M30: 72,713,990 km (0.109 R)
• M31: 83,416,820 km (0.134 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 18,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit