🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 10.2

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.17 AU - 1.31 AU

Year: 921 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,409,963 km

• M1: 126,859 km (0.061 R)
• M2: 535,560 km (0.113 R)
• M3: 1,481,917 km (0.111 R)
• M4: 1,873,265 km (0.076 R)
• M5: 3,171,924 km (0.115 R)
• M6: 3,892,387 km (0.05 R)
• M7: 4,334,000 km (0.085 R)
• M8: 4,937,478 km (0.074 R)
• M9: 5,904,927 km (0.067 R)
• M10: 6,334,273 km (0.083 R)
• M11: 9,653,700 km (0.059 R)
• M12: 10,099,203 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319

Radius: 9.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.03 AU - 1.48 AU

Year: 932 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,409,963 km

• M1: 121,922 km (0.086 R)
• M2: 540,796 km (0.097 R)
• M3: 1,130,511 km (0.114 R)
• M4: 1,811,032 km (0.115 R)
• M5: 2,655,661 km (0.113 R)
• M6: 3,093,684 km (0.082 R)
• M7: 3,743,388 km (0.098 R)
• M8: 4,868,663 km (0.102 R)
• M9: 5,803,799 km (0.115 R)
• M10: 6,363,893 km (0.096 R)
• M11: 7,347,799 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.9

Radius: 14.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.43 AU - 3.61 AU

Year: 3500 Days

Day: 8.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,409,963 km

• M1: 178,919 km (0.088 R)
• M2: 657,931 km (0.109 R)
• M3: 1,172,847 km (0.117 R)
• M4: 1,714,840 km (0.118 R)
• M5: 2,226,764 km (0.077 R)
• M6: 2,857,619 km (0.112 R)
• M7: 3,625,355 km (0.09 R)
• M8: 5,948,460 km (0.1 R)
• M9: 6,454,101 km (0.104 R)
• M10: 7,812,749 km (0.083 R)
• M11: 9,808,235 km (0.089 R)
• M12: 12,437,417 km (0.095 R)
• M13: 14,332,673 km (0.089 R)
• M14: 16,089,550 km (0.073 R)
• M15: 17,131,799 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.6

Radius: 10.8

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.58 AU - 5.42 AU

Year: 6366 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,409,963 km

• M1: 134,339 km (0.111 R)
• M2: 492,027 km (0.071 R)
• M3: 1,050,925 km (0.092 R)
• M4: 1,675,496 km (0.088 R)
• M5: 2,402,392 km (0.094 R)
• M6: 2,740,334 km (0.102 R)
• M7: 3,227,873 km (0.098 R)
• M8: 3,684,895 km (0.074 R)
• M9: 4,602,079 km (0.038 R)
• M10: 5,100,988 km (0.087 R)
• M11: 5,577,607 km (0.087 R)
• M12: 9,170,798 km (0.03 R)
• M13: 10,353,519 km (0.108 R)
• M14: 12,613,494 km (0.064 R)
• M15: 12,968,639 km (0.106 R)
• M16: 15,355,922 km (0.079 R)
• M17: 16,292,255 km (0.066 R)
• M18: 16,653,085 km (0.119 R)
• M19: 17,578,647 km (0.102 R)
• M20: 19,532,096 km (0.046 R)
• M21: 20,076,633 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.5

Radius: 11.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5 AU - 5.04 AU

Year: 7500 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,409,963 km

• M1: 140,622 km (0.07 R)
• M2: 616,792 km (0.062 R)
• M3: 1,159,383 km (0.116 R)
• M4: 1,535,622 km (0.083 R)
• M5: 1,981,125 km (0.095 R)
• M6: 2,954,109 km (0.057 R)
• M7: 3,714,366 km (0.116 R)
• M8: 4,337,141 km (0.058 R)
• M9: 5,483,061 km (0.032 R)
• M10: 7,311,446 km (0.095 R)
• M11: 7,790,908 km (0.103 R)
• M12: 8,586,768 km (0.092 R)
• M13: 10,726,317 km (0.078 R)
• M14: 13,050,469 km (0.104 R)
• M15: 13,501,956 km (0.114 R)
• M16: 17,377,737 km (0.117 R)
• M17: 17,741,111 km (0.091 R)
• M18: 18,233,437 km (0.046 R)
• M19: 19,309,794 km (0.088 R)
• M20: 20,562,527 km (0.048 R)
• M21: 26,836,212 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793

Radius: 8

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.52 AU - 6.38 AU

Year: 8484 Days

Day: 12.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,409,963 km

• M1: 99,632 km (0.053 R)
• M2: 375,341 km (0.103 R)
• M3: 668,852 km (0.092 R)
• M4: 1,266,795 km (0.119 R)
• M5: 1,560,455 km (0.085 R)
• M6: 1,963,771 km (0.1 R)
• M7: 2,252,346 km (0.103 R)
• M8: 3,156,216 km (0.089 R)
• M9: 3,410,233 km (0.106 R)
• M10: 3,985,886 km (0.114 R)
• M11: 4,339,086 km (0.048 R)
• M12: 5,265,995 km (0.109 R)
• M13: 5,624,730 km (0.105 R)
• M14: 6,034,778 km (0.09 R)
• M15: 7,835,338 km (0.096 R)
• M16: 8,131,243 km (0.115 R)
• M17: 9,110,062 km (0.077 R)
• M18: 10,671,115 km (0.09 R)
• M19: 10,930,219 km (0.101 R)
• M20: 11,353,431 km (0.117 R)
• M21: 12,689,340 km (0.114 R)
• M22: 15,208,568 km (0.099 R)
• M23: 15,537,085 km (0.115 R)
• M24: 18,190,203 km (0.039 R)
• M25: 21,457,870 km (0.086 R)
• M26: 22,628,772 km (0.098 R)
• M27: 27,158,596 km (0.075 R)
• M28: 27,935,308 km (0.092 R)
• M29: 28,926,992 km (0.116 R)
• M30: 29,737,065 km (0.114 R)
• M31: 32,042,817 km (0.114 R)
• M32: 34,804,543 km (0.097 R)
• M33: 39,794,978 km (0.114 R)
• M34: 40,923,096 km (0.092 R)
• M35: 41,686,943 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.4

Radius: 5.7

Gravity: 30.02 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.98 AU - 6.02 AU

Year: 9801 Days

Day: 23.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,409,963 km

• M1: 71,957 km (0.087 R)
• M2: 268,827 km (0.059 R)
• M3: 528,679 km (0.071 R)
• M4: 1,026,541 km (0.106 R)
• M5: 1,878,201 km (0.096 R)
• M6: 2,718,941 km (0.041 R)
• M7: 3,126,895 km (0.08 R)
• M8: 3,320,774 km (0.102 R)
• M9: 4,444,702 km (0.102 R)
• M10: 5,984,064 km (0.092 R)
• M11: 6,284,158 km (0.037 R)
• M12: 6,833,182 km (0.072 R)
• M13: 7,160,951 km (0.108 R)
• M14: 8,437,918 km (0.091 R)
• M15: 9,603,884 km (0.065 R)
• M16: 13,420,724 km (0.103 R)
• M17: 13,805,191 km (0.053 R)
• M18: 14,000,117 km (0.029 R)
• M19: 15,277,982 km (0.087 R)
• M20: 17,299,947 km (0.103 R)
• M21: 20,152,778 km (0.054 R)
• M22: 24,518,792 km (0.117 R)
• M23: 24,804,973 km (0.079 R)
• M24: 25,971,686 km (0.091 R)
• M25: 27,789,899 km (0.043 R)
• M26: 28,941,802 km (0.101 R)
• M27: 32,473,210 km (0.079 R)
• M28: 35,303,003 km (0.089 R)
• M29: 36,777,739 km (0.065 R)
• M30: 37,404,105 km (0.058 R)
• M31: 38,165,110 km (0.103 R)
• M32: 43,643,832 km (0.095 R)
• M33: 45,055,438 km (0.072 R)
• M34: 45,341,319 km (0.104 R)
• M35: 46,642,971 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.9

Radius: 3.2

Gravity: 82.41 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.65 AU - 8.75 AU

Year: 15659 Days

Day: 20.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,409,963 km

• M1: 41,738 km (0.091 R)
• M2: 142,417 km (0.07 R)
• M3: 973,433 km (0.1 R)
• M4: 1,313,918 km (0.067 R)
• M5: 1,872,367 km (0.119 R)
• M6: 3,060,024 km (0.087 R)
• M7: 3,991,570 km (0.107 R)
• M8: 4,640,077 km (0.108 R)
• M9: 6,101,050 km (0.108 R)
• M10: 15,450,917 km (0.088 R)
• M11: 15,913,324 km (0.11 R)
• M12: 24,929,887 km (0.096 R)
• M13: 25,035,054 km (0.096 R)
• M14: 27,874,571 km (0.067 R)
• M15: 30,318,851 km (0.074 R)
• M16: 42,717,971 km (0.05 R)
• M17: 45,798,341 km (0.09 R)
• M18: 47,554,022 km (0.076 R)
• M19: 48,040,514 km (0.093 R)
• M20: 63,046,826 km (0.1 R)
• M21: 64,224,460 km (0.1 R)
• M22: 66,826,266 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.7

Radius: 3.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.82 AU - 9.92 AU

Year: 19127 Days

Day: 17.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,409,963 km

• M1: 41,139 km (0.099 R)
• M2: 179,368 km (0.059 R)
• M3: 519,254 km (0.111 R)
• M4: 875,896 km (0.057 R)
• M5: 1,728,753 km (0.094 R)
• M6: 2,717,894 km (0.068 R)
• M7: 3,682,651 km (0.069 R)
• M8: 4,827,972 km (0.087 R)
• M9: 7,980,747 km (0.113 R)
• M10: 10,221,574 km (0.051 R)
• M11: 12,485,289 km (0.058 R)
• M12: 13,596,801 km (0.09 R)
• M13: 20,510,317 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.2

Radius: 7.9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.72 AU - 10.72 AU

Year: 20208 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,409,963 km

• M1: 98,735 km (0.047 R)
• M2: 365,168 km (0.079 R)
• M3: 930,798 km (0.1 R)
• M4: 1,176,886 km (0.081 R)
• M5: 1,569,581 km (0.12 R)
• M6: 2,252,944 km (0.111 R)
• M7: 2,555,431 km (0.093 R)
• M8: 3,096,377 km (0.088 R)
• M9: 4,750,929 km (0.035 R)
• M10: 30,107,020 km (0.103 R)
• M11: 42,157,578 km (0.112 R)
• M12: 47,548,636 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 19,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit