🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 14.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,969,516 km

• M1: 184,155 km (0.11 R)
• M2: 761,304 km (0.102 R)
• M3: 1,627,326 km (0.073 R)
• M4: 2,105,889 km (0.049 R)
• M5: 2,600,460 km (0.088 R)
• M6: 3,316,435 km (0.062 R)
• M7: 3,795,896 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.4

Radius: 14

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.72 AU - 1 AU

Year: 532 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 85,969,516 km

• M1: 174,132 km (0.038 R)
• M2: 886,966 km (0.072 R)
• M3: 1,832,873 km (0.051 R)
• M4: 2,966,975 km (0.073 R)
• M5: 3,586,908 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 13.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.96 AU - 1.02 AU

Year: 657 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 113.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,969,516 km

• M1: 165,605 km (0.104 R)
• M2: 679,474 km (0.115 R)
• M3: 1,140,385 km (0.095 R)
• M4: 2,455,649 km (0.047 R)
• M5: 2,918,056 km (0.089 R)
• M6: 3,472,765 km (0.103 R)
• M7: 4,753,772 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 12.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.29 AU - 3.91 AU

Year: 4555 Days

Day: 6 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,969,516 km

• M1: 158,424 km (0.081 R)
• M2: 830,119 km (0.105 R)
• M3: 1,231,340 km (0.085 R)
• M4: 2,222,426 km (0.077 R)
• M5: 2,890,380 km (0.1 R)
• M6: 3,491,016 km (0.089 R)
• M7: 3,936,668 km (0.079 R)
• M8: 5,118,641 km (0.042 R)
• M9: 5,615,306 km (0.067 R)
• M10: 6,086,838 km (0.106 R)
• M11: 6,614,769 km (0.063 R)
• M12: 7,046,509 km (0.045 R)
• M13: 8,174,028 km (0.095 R)
• M14: 9,077,300 km (0.08 R)
• M15: 11,560,475 km (0.096 R)
• M16: 14,364,088 km (0.092 R)
• M17: 15,678,754 km (0.114 R)
• M18: 16,393,234 km (0.112 R)
• M19: 18,125,128 km (0.102 R)
• M20: 19,159,149 km (0.077 R)
• M21: 20,039,832 km (0.086 R)
• M22: 21,145,360 km (0.082 R)
• M23: 21,545,085 km (0.107 R)
• M24: 22,085,882 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 13.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.16 AU - 5.62 AU

Year: 7211 Days

Day: 7 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,969,516 km

• M1: 185,950 km (0.109 R)
• M2: 709,991 km (0.111 R)
• M3: 1,165,068 km (0.086 R)
• M4: 3,144,248 km (0.116 R)
• M5: 3,590,648 km (0.082 R)
• M6: 4,102,871 km (0.119 R)
• M7: 5,248,043 km (0.118 R)
• M8: 6,092,822 km (0.1 R)
• M9: 6,825,552 km (0.117 R)
• M10: 7,265,370 km (0.112 R)
• M11: 8,936,678 km (0.044 R)
• M12: 10,581,656 km (0.065 R)
• M13: 12,124,608 km (0.097 R)
• M14: 12,975,820 km (0.115 R)
• M15: 14,464,319 km (0.106 R)
• M16: 18,943,279 km (0.105 R)
• M17: 20,855,589 km (0.03 R)
• M18: 22,893,561 km (0.09 R)
• M19: 27,702,384 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.6

Radius: 6.6

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.43 AU - 7.69 AU

Year: 11204 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,969,516 km

• M1: 82,578 km (0.088 R)
• M2: 336,894 km (0.12 R)
• M3: 696,228 km (0.106 R)
• M4: 1,167,462 km (0.107 R)
• M5: 1,454,540 km (0.051 R)
• M6: 1,773,184 km (0.098 R)
• M7: 2,206,269 km (0.111 R)
• M8: 3,327,505 km (0.098 R)
• M9: 3,757,599 km (0.113 R)
• M10: 4,012,215 km (0.099 R)
• M11: 4,305,576 km (0.039 R)
• M12: 5,147,962 km (0.11 R)
• M13: 6,483,721 km (0.12 R)
• M14: 8,245,984 km (0.119 R)
• M15: 9,123,077 km (0.062 R)
• M16: 11,908,290 km (0.052 R)
• M17: 15,796,488 km (0.101 R)
• M18: 16,393,982 km (0.033 R)
• M19: 17,353,353 km (0.087 R)
• M20: 18,277,120 km (0.062 R)
• M21: 18,567,789 km (0.062 R)
• M22: 24,431,127 km (0.09 R)
• M23: 24,784,029 km (0.108 R)
• M24: 26,879,297 km (0.068 R)
• M25: 28,307,807 km (0.111 R)
• M26: 29,090,054 km (0.063 R)
• M27: 32,682,198 km (0.09 R)
• M28: 33,651,592 km (0.082 R)
• M29: 34,308,327 km (0.096 R)
• M30: 36,101,407 km (0.106 R)
• M31: 38,074,154 km (0.047 R)
• M32: 39,509,246 km (0.111 R)
• M33: 40,608,791 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.2

Radius: 4.8

Gravity: 42.11 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.14 AU - 7.82 AU

Year: 12297 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,969,516 km

• M1: 64,626 km (0.075 R)
• M2: 568,472 km (0.082 R)
• M3: 1,743,114 km (0.058 R)
• M4: 2,044,704 km (0.087 R)
• M5: 2,198,341 km (0.118 R)
• M6: 2,939,598 km (0.061 R)
• M7: 3,554,894 km (0.08 R)
• M8: 3,835,091 km (0.084 R)
• M9: 4,798,202 km (0.099 R)
• M10: 5,353,809 km (0.113 R)
• M11: 5,759,967 km (0.074 R)
• M12: 5,951,153 km (0.076 R)
• M13: 6,468,462 km (0.117 R)
• M14: 7,868,549 km (0.102 R)
• M15: 8,540,393 km (0.05 R)
• M16: 9,301,696 km (0.09 R)
• M17: 10,385,683 km (0.113 R)
• M18: 11,794,745 km (0.061 R)
• M19: 13,259,906 km (0.057 R)
• M20: 15,129,880 km (0.083 R)
• M21: 16,623,465 km (0.097 R)
• M22: 17,326,575 km (0.038 R)
• M23: 20,074,389 km (0.082 R)
• M24: 21,505,592 km (0.085 R)
• M25: 25,481,005 km (0.071 R)
• M26: 25,686,553 km (0.049 R)
• M27: 26,100,939 km (0.116 R)
• M28: 29,352,598 km (0.115 R)
• M29: 30,148,309 km (0.112 R)
• M30: 36,907,889 km (0.116 R)
• M31: 37,701,207 km (0.111 R)
• M32: 38,102,129 km (0.109 R)
• M33: 44,313,283 km (0.109 R)
• M34: 46,117,284 km (0.11 R)
• M35: 48,914,165 km (0.118 R)
• M36: 59,953,890 km (0.103 R)
• M37: 61,602,309 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.7

Radius: 5.9

Gravity: 25.47 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.53 AU - 8.51 AU

Year: 13752 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,969,516 km

• M1: 75,697 km (0.094 R)
• M2: 304,432 km (0.109 R)
• M3: 1,181,524 km (0.075 R)
• M4: 2,654,614 km (0.066 R)
• M5: 3,033,994 km (0.09 R)
• M6: 3,341,867 km (0.119 R)
• M7: 4,957,225 km (0.097 R)
• M8: 7,711,471 km (0.086 R)
• M9: 8,482,798 km (0.112 R)
• M10: 13,058,099 km (0.118 R)
• M11: 14,011,187 km (0.088 R)
• M12: 16,131,438 km (0.085 R)
• M13: 21,641,726 km (0.088 R)
• M14: 22,111,313 km (0.114 R)
• M15: 22,973,595 km (0.049 R)
• M16: 26,540,457 km (0.118 R)
• M17: 33,484,192 km (0.102 R)
• M18: 35,521,266 km (0.1 R)
• M19: 44,046,550 km (0.097 R)
• M20: 47,901,687 km (0.117 R)
• M21: 52,648,427 km (0.089 R)
• M22: 56,275,129 km (0.098 R)
• M23: 64,021,157 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.3

Radius: 7.6

Gravity: 16 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.7 AU - 12.04 AU

Year: 20678 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,969,516 km

• M1: 94,695 km (0.098 R)
• M2: 473,328 km (0.088 R)
• M3: 771,327 km (0.102 R)
• M4: 1,153,100 km (0.112 R)
• M5: 1,569,282 km (0.091 R)
• M6: 2,145,832 km (0.115 R)
• M7: 2,628,135 km (0.081 R)
• M8: 3,097,274 km (0.047 R)
• M9: 4,881,379 km (0.06 R)
• M10: 6,733,400 km (0.11 R)
• M11: 7,509,963 km (0.082 R)
• M12: 7,867,801 km (0.075 R)
• M13: 8,398,873 km (0.079 R)
• M14: 13,024,589 km (0.089 R)
• M15: 17,463,756 km (0.104 R)
• M16: 18,643,485 km (0.102 R)
• M17: 23,030,891 km (0.115 R)
• M18: 26,622,587 km (0.109 R)
• M19: 32,280,977 km (0.12 R)
• M20: 32,549,505 km (0.091 R)
• M21: 36,033,938 km (0.116 R)
• M22: 37,494,762 km (0.115 R)
• M23: 37,791,564 km (0.093 R)
• M24: 38,540,451 km (0.111 R)
• M25: 40,533,992 km (0.08 R)
• M26: 40,846,651 km (0.077 R)
• M27: 43,243,209 km (0.098 R)
• M28: 46,070,908 km (0.106 R)
• M29: 56,448,662 km (0.083 R)
• M30: 63,115,641 km (0.079 R)
• M31: 70,288,709 km (0.062 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 11,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit