🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 9.7

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.75 AU - 0.83 AU

Year: 476 Days

Day: 6.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,144,993 km

• M1: 120,576 km (0.068 R)
• M2: 434,881 km (0.07 R)
• M3: 761,304 km (0.031 R)
• M4: 1,133,353 km (0.061 R)
• M5: 1,508,395 km (0.052 R)
• M6: 1,853,368 km (0.058 R)
• M7: 2,495,292 km (0.099 R)
• M8: 3,049,403 km (0.102 R)
• M9: 3,760,591 km (0.114 R)
• M10: 4,274,759 km (0.093 R)
• M11: 5,037,708 km (0.071 R)
• M12: 5,427,112 km (0.057 R)
• M13: 5,801,555 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.2

Radius: 13.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.47 AU - 1.63 AU

Year: 1309 Days

Day: 7 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,144,993 km

• M1: 172,935 km (0.093 R)
• M2: 712,684 km (0.108 R)
• M3: 1,174,493 km (0.093 R)
• M4: 1,698,684 km (0.074 R)
• M5: 2,163,784 km (0.118 R)
• M6: 2,703,084 km (0.118 R)
• M7: 3,331,993 km (0.114 R)
• M8: 4,041,835 km (0.045 R)
• M9: 4,643,219 km (0.108 R)
• M10: 5,745,605 km (0.116 R)
• M11: 7,129,535 km (0.069 R)
• M12: 7,693,220 km (0.107 R)
• M13: 9,071,465 km (0.071 R)

Asteroid Belt

Center: 2.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.7

Radius: 9.7

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.68 AU - 3.14 AU

Year: 3367 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,144,993 km

• M1: 120,576 km (0.032 R)
• M2: 434,133 km (0.115 R)
• M3: 798,404 km (0.077 R)
• M4: 1,107,323 km (0.064 R)
• M5: 1,412,952 km (0.113 R)
• M6: 2,303,209 km (0.094 R)
• M7: 2,644,741 km (0.101 R)
• M8: 3,184,041 km (0.106 R)
• M9: 3,609,946 km (0.087 R)
• M10: 5,044,141 km (0.058 R)
• M11: 5,931,705 km (0.113 R)
• M12: 7,240,088 km (0.044 R)
• M13: 8,621,176 km (0.058 R)
• M14: 9,105,873 km (0.062 R)
• M15: 10,627,134 km (0.067 R)
• M16: 11,054,086 km (0.097 R)
• M17: 13,760,910 km (0.041 R)
• M18: 15,701,793 km (0.086 R)
• M19: 18,178,834 km (0.115 R)
• M20: 19,163,637 km (0.115 R)
• M21: 22,962,076 km (0.104 R)
• M22: 23,532,493 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.9

Radius: 9.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.41 AU - 4.89 AU

Year: 5734 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,144,993 km

• M1: 126,410 km (0.12 R)
• M2: 567,275 km (0.082 R)
• M3: 1,004,101 km (0.115 R)
• M4: 1,348,026 km (0.115 R)
• M5: 2,582,059 km (0.109 R)
• M6: 3,165,341 km (0.105 R)
• M7: 3,705,838 km (0.092 R)
• M8: 4,521,446 km (0.077 R)
• M9: 5,703,718 km (0.095 R)
• M10: 9,685,714 km (0.096 R)
• M11: 10,308,340 km (0.104 R)
• M12: 14,726,414 km (0.12 R)
• M13: 15,106,991 km (0.058 R)
• M14: 16,871,648 km (0.117 R)
• M15: 24,393,429 km (0.092 R)
• M16: 26,733,139 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.1

Radius: 9.7

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.69 AU - 5.87 AU

Year: 7088 Days

Day: 7.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 75.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,144,993 km

• M1: 120,725 km (0.116 R)
• M2: 1,075,010 km (0.116 R)
• M3: 1,558,361 km (0.117 R)
• M4: 1,896,602 km (0.113 R)
• M5: 2,215,844 km (0.067 R)
• M6: 2,903,246 km (0.086 R)
• M7: 4,076,243 km (0.088 R)
• M8: 4,928,951 km (0.11 R)
• M9: 5,258,814 km (0.111 R)
• M10: 5,571,324 km (0.116 R)
• M11: 6,549,096 km (0.055 R)
• M12: 7,135,370 km (0.12 R)
• M13: 8,625,215 km (0.099 R)
• M14: 9,466,254 km (0.07 R)
• M15: 10,754,142 km (0.059 R)
• M16: 12,984,347 km (0.106 R)
• M17: 13,615,949 km (0.112 R)
• M18: 14,693,503 km (0.092 R)
• M19: 15,316,129 km (0.091 R)
• M20: 16,151,783 km (0.118 R)
• M21: 16,882,419 km (0.109 R)
• M22: 17,221,707 km (0.074 R)
• M23: 18,696,742 km (0.057 R)
• M24: 20,869,801 km (0.116 R)
• M25: 23,206,070 km (0.076 R)
• M26: 24,567,112 km (0.114 R)
• M27: 28,106,149 km (0.065 R)
• M28: 31,662,240 km (0.097 R)
• M29: 34,409,605 km (0.114 R)
• M30: 36,741,686 km (0.032 R)
• M31: 37,657,225 km (0.103 R)
• M32: 38,587,724 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.9

Radius: 5.3

Gravity: 34.99 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.75 AU - 7.51 AU

Year: 11579 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,144,993 km

• M1: 65,973 km (0.102 R)
• M2: 240,105 km (0.082 R)
• M3: 878,887 km (0.06 R)
• M4: 1,053,319 km (0.069 R)
• M5: 2,284,659 km (0.105 R)
• M6: 2,575,477 km (0.092 R)
• M7: 2,798,079 km (0.1 R)
• M8: 3,181,049 km (0.092 R)
• M9: 3,763,733 km (0.096 R)
• M10: 4,446,198 km (0.111 R)
• M11: 4,866,718 km (0.113 R)
• M12: 5,862,142 km (0.085 R)
• M13: 6,053,179 km (0.037 R)
• M14: 8,781,545 km (0.11 R)
• M15: 11,564,663 km (0.056 R)
• M16: 13,782,601 km (0.073 R)
• M17: 15,970,620 km (0.103 R)
• M18: 16,343,867 km (0.072 R)
• M19: 16,876,285 km (0.081 R)
• M20: 17,185,654 km (0.118 R)
• M21: 20,490,869 km (0.107 R)
• M22: 21,199,215 km (0.069 R)
• M23: 21,559,447 km (0.049 R)
• M24: 22,758,324 km (0.062 R)
• M25: 27,463,925 km (0.078 R)
• M26: 39,413,803 km (0.078 R)
• M27: 40,507,962 km (0.068 R)
• M28: 50,638,730 km (0.095 R)
• M29: 51,282,300 km (0.086 R)
• M30: 53,911,033 km (0.102 R)
• M31: 56,628,329 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.8

Radius: 3.2

Gravity: 63.75 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.54 AU - 8 AU

Year: 13295 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 59.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,144,993 km

• M1: 40,242 km (0.091 R)
• M2: 189,541 km (0.108 R)
• M3: 523,593 km (0.073 R)
• M4: 654,939 km (0.073 R)
• M5: 867,668 km (0.087 R)
• M6: 1,199,326 km (0.092 R)
• M7: 2,201,781 km (0.112 R)
• M8: 3,069,449 km (0.118 R)
• M9: 4,202,204 km (0.076 R)
• M10: 4,602,827 km (0.058 R)
• M11: 6,868,936 km (0.107 R)
• M12: 8,099,827 km (0.119 R)
• M13: 8,621,176 km (0.066 R)
• M14: 9,367,669 km (0.12 R)
• M15: 9,625,875 km (0.057 R)
• M16: 11,159,852 km (0.076 R)
• M17: 11,685,538 km (0.092 R)
• M18: 12,598,085 km (0.089 R)
• M19: 15,691,470 km (0.049 R)
• M20: 17,104,572 km (0.04 R)
• M21: 17,258,059 km (0.034 R)
• M22: 20,266,323 km (0.117 R)
• M23: 20,784,979 km (0.078 R)
• M24: 25,957,774 km (0.079 R)
• M25: 29,001,941 km (0.085 R)
• M26: 30,328,276 km (0.067 R)
• M27: 30,666,068 km (0.073 R)
• M28: 31,349,131 km (0.119 R)
• M29: 31,694,403 km (0.118 R)
• M30: 31,926,130 km (0.066 R)
• M31: 32,627,744 km (0.094 R)
• M32: 33,220,152 km (0.086 R)
• M33: 36,164,238 km (0.109 R)
• M34: 43,129,814 km (0.083 R)
• M35: 44,855,126 km (0.108 R)
• M36: 46,327,618 km (0.111 R)
• M37: 50,463,551 km (0.115 R)
• M38: 52,216,838 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.6

Radius: 4.3

Gravity: 19.94 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.43 AU - 10.43 AU

Year: 19641 Days

Day: 21.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,144,993 km

• M1: 53,706 km (0.053 R)
• M2: 221,106 km (0.1 R)
• M3: 677,678 km (0.084 R)
• M4: 1,512,883 km (0.035 R)
• M5: 1,803,851 km (0.047 R)
• M6: 1,981,125 km (0.11 R)
• M7: 2,229,008 km (0.114 R)
• M8: 2,433,509 km (0.109 R)
• M9: 2,605,995 km (0.108 R)
• M10: 2,763,671 km (0.112 R)
• M11: 3,539,785 km (0.114 R)
• M12: 3,847,208 km (0.115 R)
• M13: 4,111,847 km (0.086 R)
• M14: 4,325,922 km (0.08 R)
• M15: 5,884,283 km (0.096 R)
• M16: 6,077,713 km (0.106 R)
• M17: 6,852,031 km (0.111 R)
• M18: 8,792,914 km (0.114 R)
• M19: 10,667,525 km (0.096 R)
• M20: 11,189,472 km (0.061 R)
• M21: 12,034,850 km (0.093 R)
• M22: 13,784,097 km (0.11 R)
• M23: 19,009,551 km (0.073 R)
• M24: 19,948,577 km (0.066 R)
• M25: 22,477,828 km (0.032 R)
• M26: 23,237,935 km (0.096 R)
• M27: 31,922,540 km (0.118 R)
• M28: 32,761,036 km (0.099 R)
• M29: 37,307,166 km (0.091 R)
• M30: 38,505,894 km (0.028 R)
• M31: 39,730,053 km (0.072 R)
• M32: 42,687,004 km (0.102 R)
• M33: 42,831,366 km (0.115 R)
• M34: 46,853,305 km (0.08 R)
• M35: 47,780,064 km (0.106 R)
• M36: 49,989,774 km (0.055 R)
• M37: 51,772,981 km (0.061 R)
• M38: 53,096,174 km (0.093 R)
• M39: 57,905,147 km (0.106 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: 205 - 10,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit