🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 14.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.78 AU - 1.22 AU

Year: 678 Days

Day: 13.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,713,815 km

• M1: 180,714 km (0.111 R)
• M2: 843,582 km (0.098 R)
• M3: 1,122,882 km (0.105 R)
• M4: 1,580,202 km (0.091 R)
• M5: 2,707,572 km (0.069 R)
• M6: 3,014,696 km (0.095 R)
• M7: 3,582,121 km (0.052 R)
• M8: 3,919,614 km (0.067 R)
• M9: 4,219,109 km (0.079 R)
• M10: 5,008,537 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 12.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.14 AU - 1.18 AU

Year: 847 Days

Day: 5 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,713,815 km

• M1: 157,975 km (0.05 R)
• M2: 441,015 km (0.113 R)
• M3: 737,368 km (0.077 R)
• M4: 986,897 km (0.116 R)
• M5: 1,584,541 km (0.099 R)
• M6: 1,901,838 km (0.078 R)
• M7: 2,324,601 km (0.049 R)
• M8: 3,691,926 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 10.9

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.04 AU - 1.52 AU

Year: 982 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,713,815 km

• M1: 159,023 km (0.073 R)
• M2: 428,448 km (0.097 R)
• M3: 939,624 km (0.099 R)
• M4: 1,408,314 km (0.054 R)
• M5: 1,614,759 km (0.079 R)
• M6: 1,896,751 km (0.096 R)
• M7: 2,110,527 km (0.083 R)
• M8: 2,626,041 km (0.112 R)
• M9: 2,911,773 km (0.104 R)
• M10: 3,133,327 km (0.117 R)
• M11: 3,386,746 km (0.032 R)
• M12: 3,614,135 km (0.094 R)
• M13: 3,836,437 km (0.064 R)
• M14: 4,382,021 km (0.117 R)
• M15: 4,780,699 km (0.089 R)
• M16: 5,197,329 km (0.116 R)
• M17: 5,449,850 km (0.098 R)
• M18: 6,020,566 km (0.051 R)
• M19: 6,973,954 km (0.112 R)
• M20: 7,319,225 km (0.063 R)
• M21: 7,708,928 km (0.103 R)
• M22: 8,145,754 km (0.09 R)
• M23: 9,017,161 km (0.084 R)
• M24: 9,271,627 km (0.115 R)
• M25: 9,690,202 km (0.095 R)
• M26: 10,492,645 km (0.118 R)
• M27: 10,745,914 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 13.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.15 AU - 1.53 AU

Year: 1052 Days

Day: 7 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,713,815 km

• M1: 165,006 km (0.119 R)
• M2: 563,236 km (0.065 R)
• M3: 1,206,507 km (0.118 R)
• M4: 1,899,743 km (0.101 R)
• M5: 2,405,384 km (0.094 R)
• M6: 2,768,608 km (0.069 R)
• M7: 3,138,414 km (0.069 R)
• M8: 4,248,729 km (0.118 R)
• M9: 5,059,998 km (0.094 R)
• M10: 6,192,005 km (0.103 R)
• M11: 7,074,932 km (0.106 R)
• M12: 7,474,059 km (0.077 R)
• M13: 8,102,221 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.9

Radius: 13.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.27 AU - 1.53 AU

Year: 1124 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,713,815 km

• M1: 173,085 km (0.086 R)
• M2: 445,802 km (0.029 R)
• M3: 787,034 km (0.111 R)
• M4: 1,243,308 km (0.116 R)
• M5: 1,611,917 km (0.096 R)
• M6: 2,178,444 km (0.11 R)
• M7: 2,816,180 km (0.044 R)
• M8: 3,258,092 km (0.07 R)
• M9: 3,529,463 km (0.085 R)
• M10: 3,825,367 km (0.101 R)
• M11: 4,092,848 km (0.09 R)
• M12: 4,951,989 km (0.044 R)
• M13: 5,962,223 km (0.116 R)
• M14: 7,232,758 km (0.096 R)
• M15: 8,078,584 km (0.102 R)
• M16: 9,095,102 km (0.034 R)
• M17: 10,813,532 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 12.1

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.36 AU - 2.04 AU

Year: 1503 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,713,815 km

• M1: 163,959 km (0.112 R)
• M2: 576,101 km (0.098 R)
• M3: 994,676 km (0.036 R)
• M4: 1,619,846 km (0.076 R)
• M5: 2,092,725 km (0.084 R)
• M6: 2,417,352 km (0.117 R)
• M7: 2,829,793 km (0.104 R)
• M8: 3,290,405 km (0.1 R)
• M9: 3,612,938 km (0.089 R)
• M10: 4,164,954 km (0.038 R)
• M11: 4,992,679 km (0.096 R)
• M12: 5,696,089 km (0.077 R)
• M13: 6,741,179 km (0.12 R)
• M14: 7,684,543 km (0.079 R)
• M15: 8,158,021 km (0.108 R)
• M16: 8,941,016 km (0.09 R)
• M17: 10,741,726 km (0.026 R)
• M18: 11,379,162 km (0.092 R)
• M19: 11,639,462 km (0.077 R)
• M20: 12,008,670 km (0.114 R)
• M21: 12,464,943 km (0.092 R)
• M22: 13,012,920 km (0.095 R)
• M23: 13,431,645 km (0.028 R)
• M24: 13,856,952 km (0.11 R)
• M25: 14,202,223 km (0.039 R)
• M26: 14,522,363 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 14.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.04 AU - 3.8 AU

Year: 4290 Days

Day: 6 Hours

Environment

Temp: -214 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,713,815 km

• M1: 186,698 km (0.075 R)
• M2: 499,507 km (0.088 R)
• M3: 893,698 km (0.094 R)
• M4: 1,241,214 km (0.08 R)
• M5: 1,616,106 km (0.087 R)
• M6: 1,908,869 km (0.093 R)
• M7: 2,191,908 km (0.111 R)
• M8: 2,616,317 km (0.092 R)
• M9: 3,051,946 km (0.085 R)
• M10: 3,352,039 km (0.067 R)
• M11: 5,727,504 km (0.113 R)
• M12: 6,269,048 km (0.092 R)
• M13: 6,858,165 km (0.094 R)
• M14: 8,839,439 km (0.112 R)
• M15: 9,645,323 km (0.074 R)
• M16: 10,710,160 km (0.094 R)
• M17: 11,509,761 km (0.089 R)
• M18: 11,950,177 km (0.06 R)
• M19: 13,541,749 km (0.086 R)
• M20: 14,407,921 km (0.077 R)
• M21: 15,301,319 km (0.075 R)
• M22: 16,221,944 km (0.069 R)
• M23: 18,661,287 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.1

Radius: 12.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.04 AU - 4.3 AU

Year: 5776 Days

Day: 14.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,713,815 km

• M1: 152,291 km (0.098 R)
• M2: 458,218 km (0.092 R)
• M3: 749,785 km (0.112 R)
• M4: 1,162,076 km (0.114 R)
• M5: 1,534,425 km (0.097 R)
• M6: 1,852,022 km (0.087 R)
• M7: 2,133,116 km (0.105 R)
• M8: 2,623,647 km (0.077 R)
• M9: 3,105,203 km (0.111 R)
• M10: 4,859,388 km (0.061 R)
• M11: 5,572,221 km (0.084 R)
• M12: 6,214,744 km (0.103 R)
• M13: 7,741,391 km (0.06 R)
• M14: 8,463,200 km (0.035 R)
• M15: 9,588,476 km (0.045 R)
• M16: 10,785,258 km (0.108 R)
• M17: 13,750,139 km (0.1 R)
• M18: 17,230,084 km (0.085 R)
• M19: 18,356,407 km (0.119 R)
• M20: 18,933,107 km (0.044 R)
• M21: 19,518,782 km (0.082 R)
• M22: 20,994,565 km (0.119 R)
• M23: 23,811,044 km (0.109 R)
• M24: 24,588,205 km (0.105 R)
• M25: 26,617,351 km (0.07 R)
• M26: 27,950,866 km (0.105 R)
• M27: 29,581,034 km (0.057 R)
• M28: 31,257,577 km (0.075 R)
• M29: 31,598,511 km (0.041 R)
• M30: 33,965,897 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.5

Radius: 14.7

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.63 AU - 5.63 AU

Year: 7881 Days

Day: 14.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,713,815 km

• M1: 268,977 km (0.071 R)
• M2: 681,418 km (0.061 R)
• M3: 1,275,621 km (0.107 R)
• M4: 1,738,178 km (0.059 R)
• M5: 2,268,801 km (0.089 R)
• M6: 2,584,602 km (0.086 R)
• M7: 2,892,176 km (0.118 R)
• M8: 3,665,148 km (0.067 R)
• M9: 5,313,118 km (0.119 R)
• M10: 5,780,312 km (0.031 R)
• M11: 8,955,976 km (0.064 R)
• M12: 9,395,943 km (0.091 R)
• M13: 9,960,974 km (0.099 R)
• M14: 10,308,041 km (0.116 R)
• M15: 10,691,012 km (0.047 R)
• M16: 11,020,576 km (0.095 R)
• M17: 12,907,603 km (0.116 R)
• M18: 13,839,897 km (0.095 R)
• M19: 14,805,252 km (0.066 R)
• M20: 16,499,897 km (0.119 R)
• M21: 18,287,293 km (0.086 R)
• M22: 19,036,179 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.1

Radius: 7.7

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.68 AU - 11.08 AU

Year: 19485 Days

Day: 19.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,713,815 km

• M1: 328,816 km (0.088 R)
• M2: 580,739 km (0.111 R)
• M3: 895,343 km (0.068 R)
• M4: 1,237,025 km (0.057 R)
• M5: 1,658,891 km (0.108 R)
• M6: 1,884,185 km (0.077 R)
• M7: 2,147,178 km (0.117 R)
• M8: 3,209,622 km (0.105 R)
• M9: 3,408,288 km (0.036 R)
• M10: 5,146,316 km (0.096 R)
• M11: 10,064,646 km (0.032 R)
• M12: 10,417,397 km (0.1 R)
• M13: 10,570,586 km (0.117 R)
• M14: 11,299,875 km (0.095 R)
• M15: 13,519,160 km (0.091 R)
• M16: 15,875,775 km (0.052 R)
• M17: 16,639,173 km (0.067 R)
• M18: 18,558,663 km (0.067 R)
• M19: 22,563,248 km (0.089 R)
• M20: 24,791,359 km (0.106 R)
• M21: 27,703,880 km (0.094 R)
• M22: 31,928,823 km (0.083 R)
• M23: 34,108,015 km (0.096 R)
• M24: 36,264,020 km (0.089 R)
• M25: 36,933,321 km (0.031 R)
• M26: 38,192,636 km (0.065 R)
• M27: 40,071,136 km (0.105 R)
• M28: 42,200,213 km (0.088 R)
• M29: 43,129,515 km (0.066 R)
• M30: 48,477,040 km (0.091 R)
• M31: 48,807,801 km (0.11 R)
• M32: 49,250,611 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 11,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit