🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.5

Radius: 8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.4 AU - 2 AU

Year: 1478 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,933,328 km

• M1: 99,632 km (0.038 R)
• M2: 413,339 km (0.111 R)
• M3: 678,726 km (0.076 R)
• M4: 1,123,630 km (0.075 R)
• M5: 1,810,284 km (0.074 R)
• M6: 2,622,451 km (0.11 R)
• M7: 3,320,774 km (0.082 R)
• M8: 4,847,270 km (0.096 R)
• M9: 5,678,586 km (0.113 R)
• M10: 6,530,994 km (0.119 R)
• M11: 9,031,971 km (0.06 R)
• M12: 9,477,923 km (0.073 R)
• M13: 9,907,418 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 13.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.26 AU - 2.54 AU

Year: 2479 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,933,328 km

• M1: 212,429 km (0.12 R)
• M2: 680,371 km (0.108 R)
• M3: 1,148,762 km (0.069 R)
• M4: 1,606,083 km (0.105 R)
• M5: 2,724,925 km (0.117 R)
• M6: 3,281,878 km (0.03 R)
• M7: 3,953,124 km (0.061 R)
• M8: 5,188,802 km (0.077 R)
• M9: 6,076,815 km (0.068 R)
• M10: 6,640,350 km (0.06 R)
• M11: 7,150,778 km (0.108 R)
• M12: 7,965,937 km (0.1 R)
• M13: 9,567,382 km (0.056 R)
• M14: 11,696,310 km (0.103 R)
• M15: 12,148,993 km (0.097 R)
• M16: 12,785,382 km (0.11 R)
• M17: 13,266,040 km (0.069 R)
• M18: 16,716,664 km (0.081 R)
• M19: 17,772,526 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.6

Radius: 11.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.25 AU - 5.37 AU

Year: 5967 Days

Day: 12.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,933,328 km

• M1: 148,551 km (0.086 R)
• M2: 608,415 km (0.088 R)
• M3: 1,221,167 km (0.094 R)
• M4: 1,679,087 km (0.082 R)
• M5: 2,458,791 km (0.092 R)
• M6: 2,839,966 km (0.098 R)
• M7: 3,879,821 km (0.066 R)
• M8: 5,495,328 km (0.1 R)
• M9: 6,341,903 km (0.115 R)
• M10: 7,736,005 km (0.084 R)
• M11: 8,142,612 km (0.028 R)
• M12: 10,663,037 km (0.101 R)
• M13: 12,930,791 km (0.113 R)
• M14: 13,451,841 km (0.069 R)
• M15: 17,375,493 km (0.067 R)
• M16: 17,754,724 km (0.089 R)
• M17: 18,529,641 km (0.073 R)
• M18: 22,897,450 km (0.115 R)
• M19: 23,430,019 km (0.041 R)
• M20: 26,053,367 km (0.089 R)
• M21: 28,080,119 km (0.085 R)
• M22: 29,043,379 km (0.073 R)
• M23: 29,847,618 km (0.061 R)
• M24: 30,209,944 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.8

Radius: 9.3

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.34 AU - 5.42 AU

Year: 7189 Days

Day: 11.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,933,328 km

• M1: 115,639 km (0.065 R)
• M2: 479,162 km (0.105 R)
• M3: 914,342 km (0.097 R)
• M4: 1,332,019 km (0.112 R)
• M5: 2,056,821 km (0.087 R)
• M6: 2,491,253 km (0.115 R)
• M7: 3,023,971 km (0.088 R)
• M8: 4,196,968 km (0.028 R)
• M9: 4,873,001 km (0.09 R)
• M10: 5,796,020 km (0.06 R)
• M11: 6,505,263 km (0.106 R)
• M12: 6,964,678 km (0.065 R)
• M13: 7,730,171 km (0.1 R)
• M14: 8,133,337 km (0.088 R)
• M15: 8,666,803 km (0.096 R)
• M16: 10,233,093 km (0.116 R)
• M17: 10,945,927 km (0.095 R)
• M18: 12,321,928 km (0.109 R)
• M19: 14,240,521 km (0.099 R)
• M20: 18,015,623 km (0.109 R)
• M21: 18,988,308 km (0.109 R)
• M22: 19,320,116 km (0.08 R)
• M23: 21,037,949 km (0.066 R)
• M24: 21,536,708 km (0.079 R)
• M25: 24,932,879 km (0.092 R)
• M26: 25,733,377 km (0.088 R)
• M27: 26,221,814 km (0.108 R)
• M28: 27,470,059 km (0.088 R)
• M29: 28,844,713 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.9

Radius: 14.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.88 AU - 5.46 AU

Year: 7839 Days

Day: 11.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,933,328 km

• M1: 182,809 km (0.044 R)
• M2: 726,597 km (0.101 R)
• M3: 1,239,568 km (0.106 R)
• M4: 1,971,550 km (0.052 R)
• M5: 2,681,093 km (0.1 R)
• M6: 3,395,124 km (0.08 R)
• M7: 4,994,923 km (0.105 R)
• M8: 6,573,330 km (0.064 R)
• M9: 7,837,881 km (0.107 R)
• M10: 9,259,061 km (0.111 R)
• M11: 10,845,995 km (0.119 R)
• M12: 11,731,315 km (0.052 R)
• M13: 12,720,606 km (0.095 R)
• M14: 14,554,227 km (0.1 R)
• M15: 16,024,326 km (0.112 R)
• M16: 18,016,670 km (0.054 R)
• M17: 19,939,152 km (0.07 R)
• M18: 20,950,135 km (0.113 R)
• M19: 21,750,782 km (0.11 R)
• M20: 30,610,567 km (0.069 R)
• M21: 31,123,388 km (0.053 R)
• M22: 31,641,894 km (0.084 R)
• M23: 40,007,108 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.4

Radius: 3.6

Gravity: 68.32 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.84 AU - 9.02 AU

Year: 13506 Days

Day: 17.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,933,328 km

• M1: 44,730 km (0.08 R)
• M2: 532,120 km (0.106 R)
• M3: 926,011 km (0.113 R)
• M4: 1,191,248 km (0.119 R)
• M5: 1,341,893 km (0.056 R)
• M6: 2,173,208 km (0.119 R)
• M7: 2,377,709 km (0.107 R)
• M8: 2,896,963 km (0.106 R)
• M9: 3,170,278 km (0.096 R)
• M10: 3,626,402 km (0.076 R)
• M11: 4,869,859 km (0.087 R)
• M12: 5,184,464 km (0.037 R)
• M13: 5,365,028 km (0.118 R)
• M14: 6,621,501 km (0.1 R)
• M15: 7,272,850 km (0.118 R)
• M16: 8,752,523 km (0.12 R)
• M17: 9,217,174 km (0.118 R)
• M18: 9,482,261 km (0.054 R)
• M19: 10,083,196 km (0.083 R)
• M20: 11,913,226 km (0.076 R)
• M21: 13,953,143 km (0.083 R)
• M22: 14,232,293 km (0.102 R)
• M23: 17,231,132 km (0.086 R)
• M24: 19,651,176 km (0.064 R)
• M25: 20,896,579 km (0.06 R)
• M26: 29,950,242 km (0.095 R)
• M27: 37,026,371 km (0.118 R)
• M28: 38,645,768 km (0.056 R)
• M29: 39,890,871 km (0.081 R)
• M30: 46,519,253 km (0.114 R)
• M31: 48,244,266 km (0.088 R)
• M32: 48,721,932 km (0.031 R)
• M33: 50,500,651 km (0.114 R)
• M34: 53,164,540 km (0.065 R)
• M35: 55,570,822 km (0.117 R)
• M36: 56,623,991 km (0.098 R)
• M37: 62,277,893 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.3

Radius: 4.2

Gravity: 27.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.4 AU - 9.94 AU

Year: 18518 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,933,328 km

• M1: 52,359 km (0.059 R)
• M2: 217,515 km (0.084 R)
• M3: 420,669 km (0.059 R)
• M4: 597,643 km (0.105 R)
• M5: 3,522,431 km (0.047 R)
• M6: 3,834,343 km (0.038 R)
• M7: 4,415,980 km (0.104 R)
• M8: 6,470,706 km (0.094 R)
• M9: 6,894,667 km (0.042 R)
• M10: 7,337,028 km (0.055 R)
• M11: 8,982,604 km (0.091 R)
• M12: 11,517,989 km (0.056 R)
• M13: 16,974,272 km (0.084 R)
• M14: 17,133,145 km (0.051 R)
• M15: 19,118,009 km (0.109 R)
• M16: 19,290,047 km (0.115 R)
• M17: 21,621,380 km (0.086 R)
• M18: 23,933,864 km (0.099 R)
• M19: 24,133,727 km (0.094 R)
• M20: 25,668,302 km (0.099 R)
• M21: 27,703,730 km (0.068 R)
• M22: 28,592,043 km (0.098 R)
• M23: 29,499,204 km (0.078 R)
• M24: 35,219,528 km (0.089 R)
• M25: 36,393,123 km (0.105 R)
• M26: 37,862,623 km (0.091 R)
• M27: 38,406,561 km (0.063 R)
• M28: 40,634,821 km (0.095 R)
• M29: 40,919,356 km (0.058 R)
• M30: 47,676,093 km (0.059 R)
• M31: 50,246,933 km (0.095 R)
• M32: 58,692,181 km (0.058 R)
• M33: 62,583,820 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.4

Radius: 7.7

Gravity: 14.12 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.61 AU - 12.07 AU

Year: 20584 Days

Day: 18 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,933,328 km

• M1: 95,892 km (0.03 R)
• M2: 481,556 km (0.114 R)
• M3: 1,116,898 km (0.095 R)
• M4: 1,390,063 km (0.104 R)
• M5: 2,446,075 km (0.068 R)
• M6: 3,127,194 km (0.087 R)
• M7: 3,928,440 km (0.099 R)
• M8: 7,056,382 km (0.06 R)
• M9: 7,898,768 km (0.112 R)
• M10: 9,781,906 km (0.092 R)
• M11: 13,285,189 km (0.062 R)
• M12: 15,843,910 km (0.062 R)
• M13: 17,988,695 km (0.095 R)
• M14: 18,439,733 km (0.08 R)
• M15: 26,027,786 km (0.114 R)
• M16: 26,604,934 km (0.068 R)
• M17: 31,925,382 km (0.102 R)
• M18: 34,073,458 km (0.101 R)
• M19: 51,148,110 km (0.063 R)
• M20: 53,895,625 km (0.1 R)
• M21: 61,700,146 km (0.102 R)
• M22: 66,941,906 km (0.12 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: 215 - 19,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit