🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 10.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 13.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,333,435 km

• M1: 129,552 km (0.072 R)
• M2: 461,809 km (0.051 R)
• M3: 880,084 km (0.095 R)
• M4: 1,396,347 km (0.081 R)
• M5: 1,932,505 km (0.094 R)
• M6: 2,365,741 km (0.11 R)
• M7: 2,690,069 km (0.117 R)
• M8: 3,122,706 km (0.04 R)
• M9: 3,813,549 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.7

Radius: 14.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.64 AU - 0.84 AU

Year: 432 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,333,435 km

• M1: 184,005 km (0.067 R)
• M2: 709,692 km (0.098 R)
• M3: 1,196,633 km (0.108 R)
• M4: 1,901,838 km (0.102 R)
• M5: 2,375,764 km (0.08 R)
• M6: 2,875,869 km (0.119 R)
• M7: 3,362,511 km (0.076 R)
• M8: 4,148,648 km (0.096 R)
• M9: 5,247,594 km (0.117 R)
• M10: 6,401,293 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.6

Radius: 10.1

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.73 AU - 1.05 AU

Year: 569 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,333,435 km

• M1: 125,662 km (0.083 R)
• M2: 487,240 km (0.098 R)
• M3: 810,820 km (0.059 R)
• M4: 1,212,790 km (0.111 R)
• M5: 1,553,275 km (0.097 R)
• M6: 1,983,668 km (0.118 R)
• M7: 2,656,858 km (0.036 R)
• M8: 2,984,328 km (0.082 R)
• M9: 4,350,605 km (0.091 R)
• M10: 4,683,161 km (0.078 R)
• M11: 5,016,465 km (0.062 R)
• M12: 5,984,064 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 13.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.05 AU - 1.25 AU

Year: 836 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,333,435 km

• M1: 167,998 km (0.09 R)
• M2: 689,945 km (0.074 R)
• M3: 1,180,926 km (0.052 R)
• M4: 1,720,824 km (0.038 R)
• M5: 2,336,569 km (0.07 R)
• M6: 2,813,936 km (0.072 R)
• M7: 3,259,139 km (0.104 R)
• M8: 3,721,397 km (0.109 R)
• M9: 4,277,302 km (0.099 R)
• M10: 5,130,010 km (0.11 R)
• M11: 6,178,542 km (0.064 R)
• M12: 6,640,649 km (0.073 R)
• M13: 7,462,540 km (0.051 R)
• M14: 8,780,497 km (0.039 R)
• M15: 9,741,813 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 11.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.11 AU - 1.31 AU

Year: 903 Days

Day: 11.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,333,435 km

• M1: 139,425 km (0.119 R)
• M2: 731,384 km (0.103 R)
• M3: 1,208,601 km (0.119 R)
• M4: 1,592,469 km (0.104 R)
• M5: 2,128,628 km (0.098 R)
• M6: 3,391,683 km (0.091 R)
• M7: 4,417,775 km (0.112 R)
• M8: 5,198,676 km (0.053 R)
• M9: 5,780,611 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 10

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.94 AU - 2.2 AU

Year: 2020 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,333,435 km

• M1: 124,316 km (0.098 R)
• M2: 580,589 km (0.031 R)
• M3: 1,293,722 km (0.091 R)
• M4: 1,936,096 km (0.043 R)
• M5: 2,310,689 km (0.047 R)
• M6: 2,748,711 km (0.041 R)
• M7: 3,060,174 km (0.114 R)
• M8: 3,792,456 km (0.025 R)
• M9: 4,856,246 km (0.099 R)
• M10: 5,267,491 km (0.093 R)
• M11: 5,751,589 km (0.06 R)
• M12: 7,898,319 km (0.067 R)
• M13: 8,339,483 km (0.117 R)
• M14: 9,202,363 km (0.113 R)
• M15: 10,493,991 km (0.118 R)
• M16: 10,989,011 km (0.095 R)
• M17: 11,861,914 km (0.119 R)
• M18: 12,909,399 km (0.117 R)
• M19: 14,384,882 km (0.048 R)
• M20: 14,853,423 km (0.099 R)
• M21: 17,561,743 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729

Radius: 8.7

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.32 AU - 3.76 AU

Year: 3595 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,333,435 km

• M1: 108,159 km (0.102 R)
• M2: 516,711 km (0.067 R)
• M3: 828,024 km (0.118 R)
• M4: 1,146,368 km (0.073 R)
• M5: 1,428,211 km (0.097 R)
• M6: 1,959,583 km (0.047 R)
• M7: 2,383,094 km (0.098 R)
• M8: 3,356,827 km (0.053 R)
• M9: 4,117,981 km (0.116 R)
• M10: 4,434,380 km (0.034 R)
• M11: 5,141,978 km (0.093 R)
• M12: 6,064,997 km (0.11 R)
• M13: 6,626,737 km (0.082 R)
• M14: 7,617,374 km (0.114 R)
• M15: 8,271,416 km (0.111 R)
• M16: 9,573,815 km (0.075 R)
• M17: 12,346,462 km (0.093 R)
• M18: 13,890,611 km (0.082 R)
• M19: 16,052,001 km (0.098 R)
• M20: 16,781,740 km (0.113 R)
• M21: 17,125,815 km (0.092 R)
• M22: 20,765,680 km (0.12 R)
• M23: 22,383,432 km (0.096 R)
• M24: 24,668,838 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.3

Radius: 10.4

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.58 AU - 4.68 AU

Year: 5693 Days

Day: 8.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,333,435 km

• M1: 129,402 km (0.104 R)
• M2: 531,970 km (0.1 R)
• M3: 1,176,138 km (0.076 R)
• M4: 1,829,732 km (0.117 R)
• M5: 2,417,352 km (0.04 R)
• M6: 3,009,311 km (0.097 R)
• M7: 3,695,367 km (0.102 R)
• M8: 4,356,589 km (0.088 R)
• M9: 4,929,998 km (0.05 R)
• M10: 7,059,673 km (0.087 R)
• M11: 8,153,832 km (0.055 R)
• M12: 8,701,659 km (0.088 R)
• M13: 10,002,263 km (0.042 R)
• M14: 10,448,364 km (0.096 R)
• M15: 10,954,304 km (0.105 R)
• M16: 11,284,616 km (0.119 R)
• M17: 12,621,872 km (0.031 R)
• M18: 13,355,500 km (0.116 R)
• M19: 17,076,298 km (0.105 R)
• M20: 19,105,144 km (0.118 R)
• M21: 20,710,928 km (0.047 R)
• M22: 21,509,930 km (0.097 R)
• M23: 21,879,736 km (0.117 R)
• M24: 22,556,367 km (0.105 R)
• M25: 23,558,074 km (0.11 R)
• M26: 31,512,043 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 11

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.28 AU - 4.42 AU

Year: 6154 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,333,435 km

• M1: 137,181 km (0.114 R)
• M2: 546,780 km (0.094 R)
• M3: 1,134,849 km (0.061 R)
• M4: 1,576,911 km (0.081 R)
• M5: 3,925,897 km (0.103 R)
• M6: 4,512,470 km (0.047 R)
• M7: 5,245,051 km (0.106 R)
• M8: 5,640,139 km (0.093 R)
• M9: 7,274,944 km (0.073 R)
• M10: 10,056,118 km (0.109 R)
• M11: 14,340,601 km (0.109 R)
• M12: 16,109,148 km (0.115 R)
• M13: 17,277,357 km (0.098 R)
• M14: 18,155,646 km (0.116 R)
• M15: 23,241,525 km (0.109 R)
• M16: 23,896,165 km (0.063 R)
• M17: 25,156,827 km (0.093 R)
• M18: 25,846,922 km (0.079 R)
• M19: 26,461,171 km (0.036 R)
• M20: 33,666,402 km (0.049 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.2

Radius: 4.1

Gravity: 57.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.6 AU - 11.74 AU

Year: 20395 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,333,435 km

• M1: 51,312 km (0.068 R)
• M2: 308,620 km (0.088 R)
• M3: 452,833 km (0.111 R)
• M4: 861,534 km (0.115 R)
• M5: 1,199,625 km (0.059 R)
• M6: 1,825,842 km (0.093 R)
• M7: 2,027,350 km (0.085 R)
• M8: 4,110,201 km (0.108 R)
• M9: 5,129,861 km (0.063 R)
• M10: 5,740,369 km (0.114 R)
• M11: 8,782,293 km (0.03 R)
• M12: 9,894,403 km (0.049 R)
• M13: 10,452,702 km (0.111 R)
• M14: 11,429,277 km (0.081 R)
• M15: 12,113,089 km (0.092 R)
• M16: 12,253,113 km (0.107 R)
• M17: 15,695,809 km (0.07 R)
• M18: 17,771,629 km (0.085 R)
• M19: 25,424,906 km (0.048 R)
• M20: 30,672,201 km (0.08 R)
• M21: 30,932,352 km (0.113 R)
• M22: 32,255,694 km (0.047 R)
• M23: 33,341,177 km (0.11 R)
• M24: 36,306,057 km (0.048 R)
• M25: 49,386,147 km (0.051 R)
• M26: 54,359,079 km (0.09 R)
• M27: 58,051,903 km (0.09 R)
• M28: 62,950,934 km (0.118 R)
• M29: 64,643,185 km (0.046 R)
• M30: 65,716,101 km (0.075 R)
• M31: 70,804,822 km (0.094 R)
• M32: 77,587,140 km (0.07 R)
• M33: 79,531,614 km (0.089 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: 272 - 12,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit