🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.6

Radius: 12

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.69 AU - 0.79 AU

Year: 424 Days

Day: 12.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,294,777 km

• M1: 149,598 km (0.044 R)
• M2: 627,862 km (0.107 R)
• M3: 1,111,063 km (0.084 R)
• M4: 1,601,146 km (0.101 R)
• M5: 2,049,042 km (0.103 R)
• M6: 2,590,736 km (0.109 R)
• M7: 3,286,216 km (0.088 R)
• M8: 3,659,314 km (0.108 R)
• M9: 4,074,747 km (0.067 R)
• M10: 4,596,843 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.6

Radius: 9.8

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.84 AU - 1 AU

Year: 588 Days

Day: 14.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,294,777 km

• M1: 121,922 km (0.09 R)
• M2: 445,951 km (0.067 R)
• M3: 1,013,077 km (0.078 R)
• M4: 1,384,827 km (0.111 R)
• M5: 1,742,815 km (0.06 R)
• M6: 2,107,834 km (0.092 R)
• M7: 2,544,510 km (0.119 R)
• M8: 3,653,778 km (0.099 R)
• M9: 4,198,763 km (0.06 R)
• M10: 5,329,574 km (0.113 R)
• M11: 5,700,277 km (0.098 R)
• M12: 6,088,035 km (0.079 R)
• M13: 6,773,492 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.8

Radius: 10.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.03 AU - 1.31 AU

Year: 844 Days

Day: 6.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,294,777 km

• M1: 131,945 km (0.114 R)
• M2: 486,193 km (0.072 R)
• M3: 979,417 km (0.082 R)
• M4: 1,378,993 km (0.103 R)
• M5: 1,734,139 km (0.111 R)
• M6: 2,151,068 km (0.049 R)
• M7: 2,766,663 km (0.06 R)
• M8: 3,176,561 km (0.109 R)
• M9: 3,539,336 km (0.047 R)
• M10: 3,992,468 km (0.053 R)
• M11: 4,433,183 km (0.115 R)
• M12: 4,979,066 km (0.082 R)
• M13: 5,688,758 km (0.104 R)
• M14: 6,226,712 km (0.073 R)
• M15: 6,981,433 km (0.091 R)
• M16: 7,453,116 km (0.084 R)
• M17: 7,845,660 km (0.087 R)
• M18: 8,407,999 km (0.114 R)
• M19: 9,273,722 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.1

Radius: 13.4

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.76 AU - 2.52 AU

Year: 2088 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,294,777 km

• M1: 166,652 km (0.075 R)
• M2: 611,257 km (0.073 R)
• M3: 1,105,079 km (0.116 R)
• M4: 1,582,745 km (0.093 R)
• M5: 2,090,630 km (0.093 R)
• M6: 3,005,272 km (0.096 R)
• M7: 3,494,606 km (0.033 R)
• M8: 4,152,388 km (0.078 R)
• M9: 4,935,084 km (0.09 R)
• M10: 6,163,283 km (0.074 R)
• M11: 6,822,261 km (0.04 R)
• M12: 7,527,765 km (0.118 R)
• M13: 8,789,772 km (0.116 R)
• M14: 9,834,265 km (0.076 R)
• M15: 11,302,269 km (0.078 R)
• M16: 13,337,099 km (0.08 R)
• M17: 14,081,648 km (0.06 R)
• M18: 14,623,641 km (0.073 R)
• M19: 15,179,696 km (0.114 R)
• M20: 16,137,721 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.9

Radius: 11.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.49 AU - 2.81 AU

Year: 2877 Days

Day: 11 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,294,777 km

• M1: 147,952 km (0.062 R)
• M2: 520,301 km (0.073 R)
• M3: 981,661 km (0.114 R)
• M4: 1,926,671 km (0.049 R)
• M5: 5,260,908 km (0.068 R)
• M6: 5,938,886 km (0.1 R)
• M7: 6,422,835 km (0.066 R)
• M8: 7,168,132 km (0.104 R)
• M9: 7,623,807 km (0.067 R)
• M10: 9,108,416 km (0.08 R)
• M11: 10,974,949 km (0.086 R)
• M12: 12,210,328 km (0.113 R)
• M13: 13,720,219 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.3

Radius: 13.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.39 AU - 3.71 AU

Year: 4460 Days

Day: 13 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,294,777 km

• M1: 164,408 km (0.056 R)
• M2: 691,741 km (0.066 R)
• M3: 1,386,024 km (0.113 R)
• M4: 1,944,922 km (0.102 R)
• M5: 3,612,190 km (0.119 R)
• M6: 5,584,937 km (0.06 R)
• M7: 8,751,176 km (0.117 R)
• M8: 9,938,535 km (0.08 R)
• M9: 10,499,676 km (0.116 R)
• M10: 12,713,126 km (0.093 R)
• M11: 14,993,447 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.8

Radius: 13.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.93 AU - 4.83 AU

Year: 6113 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,294,777 km

• M1: 190,438 km (0.11 R)
• M2: 640,728 km (0.117 R)
• M3: 1,117,496 km (0.075 R)
• M4: 4,661,769 km (0.042 R)
• M5: 6,781,122 km (0.081 R)
• M6: 7,650,585 km (0.118 R)
• M7: 9,833,666 km (0.03 R)
• M8: 10,567,444 km (0.111 R)
• M9: 11,837,530 km (0.055 R)
• M10: 13,207,098 km (0.095 R)
• M11: 22,683,824 km (0.076 R)
• M12: 23,721,585 km (0.072 R)
• M13: 32,890,588 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.2

Radius: 8.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.64 AU - 5.96 AU

Year: 8137 Days

Day: 14.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,294,777 km

• M1: 128,953 km (0.062 R)
• M2: 855,251 km (0.118 R)
• M3: 1,657,544 km (0.066 R)
• M4: 2,183,381 km (0.111 R)
• M5: 4,127,106 km (0.041 R)
• M6: 4,798,202 km (0.091 R)
• M7: 6,137,402 km (0.115 R)
• M8: 7,781,782 km (0.034 R)
• M9: 8,608,161 km (0.106 R)
• M10: 13,114,049 km (0.099 R)
• M11: 13,742,808 km (0.075 R)
• M12: 14,446,517 km (0.032 R)
• M13: 17,315,654 km (0.12 R)
• M14: 20,474,413 km (0.036 R)
• M15: 21,535,361 km (0.117 R)
• M16: 22,781,512 km (0.1 R)
• M17: 25,983,654 km (0.102 R)

Asteroid Belt

Center: 5.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.5

Radius: 6.2

Gravity: 23.32 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.54 AU - 7.04 AU

Year: 10520 Days

Day: 20 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,294,777 km

• M1: 77,043 km (0.115 R)
• M2: 303,085 km (0.086 R)
• M3: 536,907 km (0.097 R)
• M4: 762,201 km (0.12 R)
• M5: 1,598,603 km (0.096 R)
• M6: 1,936,096 km (0.099 R)
• M7: 2,520,425 km (0.094 R)
• M8: 3,289,508 km (0.064 R)
• M9: 4,785,187 km (0.104 R)
• M10: 5,211,990 km (0.044 R)
• M11: 5,807,988 km (0.079 R)
• M12: 6,332,029 km (0.068 R)
• M13: 6,887,187 km (0.109 R)
• M14: 7,093,183 km (0.113 R)
• M15: 7,560,676 km (0.081 R)
• M16: 7,958,308 km (0.081 R)
• M17: 8,463,200 km (0.082 R)
• M18: 9,792,826 km (0.069 R)
• M19: 10,918,999 km (0.083 R)
• M20: 13,943,419 km (0.032 R)
• M21: 14,140,888 km (0.101 R)
• M22: 15,931,276 km (0.074 R)
• M23: 16,292,106 km (0.087 R)
• M24: 26,273,874 km (0.088 R)
• M25: 30,375,548 km (0.053 R)
• M26: 35,615,513 km (0.039 R)
• M27: 37,234,461 km (0.103 R)
• M28: 37,742,346 km (0.078 R)
• M29: 46,508,332 km (0.117 R)
• M30: 51,989,299 km (0.051 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.4

Radius: 6.2

Gravity: 17.91 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.81 AU - 10.25 AU

Year: 18095 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,294,777 km

• M1: 77,492 km (0.116 R)
• M2: 294,259 km (0.097 R)
• M3: 664,065 km (0.117 R)
• M4: 1,049,429 km (0.053 R)
• M5: 1,623,735 km (0.096 R)
• M6: 2,901,002 km (0.027 R)
• M7: 3,183,143 km (0.085 R)
• M8: 3,511,810 km (0.098 R)
• M9: 4,367,061 km (0.111 R)
• M10: 4,738,363 km (0.085 R)
• M11: 6,020,417 km (0.088 R)
• M12: 6,395,309 km (0.076 R)
• M13: 9,032,869 km (0.12 R)
• M14: 9,804,794 km (0.101 R)
• M15: 11,733,111 km (0.108 R)
• M16: 16,886,608 km (0.078 R)
• M17: 21,979,817 km (0.057 R)
• M18: 24,504,730 km (0.074 R)
• M19: 24,820,232 km (0.055 R)
• M20: 25,782,744 km (0.091 R)
• M21: 26,328,028 km (0.113 R)
• M22: 31,711,607 km (0.064 R)
• M23: 34,791,678 km (0.11 R)
• M24: 36,404,043 km (0.11 R)
• M25: 38,772,477 km (0.091 R)
• M26: 39,776,877 km (0.113 R)
• M27: 41,687,990 km (0.118 R)
• M28: 42,288,176 km (0.077 R)
• M29: 44,590,039 km (0.112 R)
• M30: 46,812,614 km (0.041 R)
• M31: 48,115,313 km (0.108 R)
• M32: 53,391,630 km (0.026 R)
• M33: 63,876,795 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 17,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit