🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.7

Radius: 8.3

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.69 AU - 0.83 AU

Year: 457 Days

Day: 8 Hours

Environment

Temp: -168 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,829,510 km

• M1: 103,223 km (0.091 R)
• M2: 377,136 km (0.113 R)
• M3: 658,380 km (0.052 R)
• M4: 1,091,765 km (0.101 R)
• M5: 1,539,063 km (0.077 R)
• M6: 2,021,516 km (0.094 R)
• M7: 2,801,220 km (0.063 R)
• M8: 3,254,202 km (0.105 R)
• M9: 3,668,289 km (0.067 R)
• M10: 4,103,918 km (0.04 R)
• M11: 4,544,933 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 10

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.81 AU - 1.25 AU

Year: 722 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,829,510 km

• M1: 125,662 km (0.077 R)
• M2: 483,201 km (0.101 R)
• M3: 841,638 km (0.091 R)
• M4: 1,282,652 km (0.088 R)
• M5: 4,054,102 km (0.082 R)
• M6: 5,933,949 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.7

Radius: 10.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.03 AU - 1.53 AU

Year: 1000 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,829,510 km

• M1: 126,859 km (0.048 R)
• M2: 460,163 km (0.086 R)
• M3: 1,103,733 km (0.104 R)
• M4: 1,697,637 km (0.114 R)
• M5: 2,538,227 km (0.053 R)
• M6: 2,989,265 km (0.043 R)
• M7: 3,991,720 km (0.106 R)
• M8: 4,355,243 km (0.113 R)
• M9: 5,131,207 km (0.067 R)
• M10: 5,996,631 km (0.117 R)
• M11: 6,604,148 km (0.103 R)
• M12: 8,015,753 km (0.091 R)
• M13: 8,340,979 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.2

Radius: 8.2

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.36 AU - 1.46 AU

Year: 1156 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,829,510 km

• M1: 102,026 km (0.065 R)
• M2: 645,216 km (0.118 R)
• M3: 912,098 km (0.115 R)
• M4: 1,254,528 km (0.063 R)
• M5: 1,700,479 km (0.079 R)
• M6: 2,237,535 km (0.075 R)
• M7: 2,521,472 km (0.107 R)
• M8: 3,368,645 km (0.038 R)
• M9: 4,042,583 km (0.084 R)
• M10: 5,465,558 km (0.1 R)
• M11: 6,417,749 km (0.071 R)
• M12: 6,702,284 km (0.041 R)
• M13: 7,791,805 km (0.087 R)
• M14: 8,281,439 km (0.115 R)
• M15: 8,849,163 km (0.073 R)
• M16: 9,625,875 km (0.113 R)
• M17: 10,285,751 km (0.117 R)
• M18: 11,383,052 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.66 AU - 1.68 AU

Year: 1490 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,829,510 km

• M1: 102,325 km (0.051 R)
• M2: 351,106 km (0.117 R)
• M3: 601,234 km (0.087 R)
• M4: 973,284 km (0.116 R)
• M5: 1,315,115 km (0.114 R)
• M6: 1,626,428 km (0.063 R)
• M7: 1,922,033 km (0.102 R)
• M8: 2,400,148 km (0.066 R)
• M9: 2,816,928 km (0.097 R)
• M10: 3,912,583 km (0.072 R)
• M11: 5,732,890 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.3

Radius: 14.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.82 AU - 2.1 AU

Year: 1894 Days

Day: 6.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,829,510 km

• M1: 185,651 km (0.052 R)
• M2: 748,588 km (0.106 R)
• M3: 1,292,675 km (0.098 R)
• M4: 2,075,670 km (0.105 R)
• M5: 2,540,770 km (0.072 R)
• M6: 3,007,067 km (0.089 R)
• M7: 3,608,899 km (0.092 R)
• M8: 4,151,042 km (0.098 R)
• M9: 4,691,240 km (0.098 R)
• M10: 5,380,736 km (0.106 R)
• M11: 7,087,947 km (0.099 R)
• M12: 7,837,133 km (0.115 R)
• M13: 10,699,988 km (0.094 R)
• M14: 11,203,235 km (0.047 R)
• M15: 11,757,495 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.9

Radius: 12.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.11 AU - 2.49 AU

Year: 2408 Days

Day: 14.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,829,510 km

• M1: 155,881 km (0.116 R)
• M2: 810,372 km (0.087 R)
• M3: 1,231,190 km (0.093 R)
• M4: 1,650,813 km (0.049 R)
• M5: 2,200,884 km (0.098 R)
• M6: 3,376,274 km (0.088 R)
• M7: 4,873,450 km (0.04 R)
• M8: 5,530,932 km (0.067 R)
• M9: 6,131,269 km (0.111 R)
• M10: 6,873,573 km (0.048 R)
• M11: 7,488,720 km (0.113 R)
• M12: 8,977,667 km (0.095 R)
• M13: 12,237,255 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 12.5

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.5 AU - 2.6 AU

Year: 2811 Days

Day: 14.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,829,510 km

• M1: 155,582 km (0.071 R)
• M2: 782,995 km (0.108 R)
• M3: 1,441,076 km (0.084 R)
• M4: 1,957,638 km (0.06 R)
• M5: 2,652,370 km (0.055 R)
• M6: 3,354,882 km (0.102 R)
• M7: 4,474,173 km (0.071 R)
• M8: 5,087,225 km (0.045 R)
• M9: 5,803,949 km (0.036 R)
• M10: 6,456,046 km (0.063 R)
• M11: 7,525,521 km (0.09 R)
• M12: 9,667,613 km (0.117 R)
• M13: 10,084,243 km (0.093 R)
• M14: 10,658,250 km (0.069 R)
• M15: 12,593,897 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.5

Radius: 3.4

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.41 AU - 10.65 AU

Year: 20307 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,829,510 km

• M1: 43,234 km (0.098 R)
• M2: 271,670 km (0.111 R)
• M3: 820,694 km (0.106 R)
• M4: 981,512 km (0.087 R)
• M5: 1,197,531 km (0.102 R)
• M6: 1,753,885 km (0.104 R)
• M7: 2,157,351 km (0.059 R)
• M8: 2,639,355 km (0.114 R)
• M9: 2,905,789 km (0.066 R)
• M10: 3,420,555 km (0.082 R)
• M11: 3,863,814 km (0.03 R)
• M12: 5,014,820 km (0.088 R)
• M13: 6,968,568 km (0.07 R)
• M14: 8,219,057 km (0.12 R)
• M15: 8,520,796 km (0.068 R)
• M16: 12,065,966 km (0.044 R)
• M17: 12,853,599 km (0.048 R)
• M18: 13,674,741 km (0.079 R)
• M19: 15,035,035 km (0.101 R)
• M20: 17,592,410 km (0.116 R)
• M21: 20,113,733 km (0.103 R)
• M22: 21,218,214 km (0.106 R)
• M23: 23,806,856 km (0.066 R)
• M24: 25,131,694 km (0.057 R)
• M25: 26,973,543 km (0.119 R)
• M26: 27,447,619 km (0.098 R)
• M27: 31,234,240 km (0.106 R)
• M28: 36,150,774 km (0.1 R)
• M29: 40,932,820 km (0.114 R)
• M30: 41,558,737 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 11,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit