🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 12.6

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.56 AU - 0.7 AU

Year: 339 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,142,272 km

• M1: 156,629 km (0.119 R)
• M2: 577,149 km (0.108 R)
• M3: 1,007,691 km (0.1 R)
• M4: 1,689,708 km (0.084 R)
• M5: 2,532,094 km (0.086 R)
• M6: 2,930,473 km (0.118 R)
• M7: 3,531,557 km (0.033 R)
• M8: 4,006,680 km (0.119 R)
• M9: 4,482,999 km (0.119 R)
• M10: 4,982,207 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 11.6

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.8 AU - 1.08 AU

Year: 618 Days

Day: 8.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,142,272 km

• M1: 144,362 km (0.075 R)
• M2: 587,620 km (0.091 R)
• M3: 1,269,188 km (0.074 R)
• M4: 1,905,727 km (0.091 R)
• M5: 2,288,548 km (0.101 R)
• M6: 3,113,132 km (0.079 R)
• M7: 3,719,302 km (0.048 R)
• M8: 4,402,815 km (0.09 R)
• M9: 5,546,341 km (0.095 R)
• M10: 7,516,545 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 12.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.88 AU - 1.04 AU

Year: 638 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,142,272 km

• M1: 154,235 km (0.112 R)
• M2: 719,566 km (0.096 R)
• M3: 1,262,756 km (0.105 R)
• M4: 1,855,313 km (0.075 R)
• M5: 2,510,252 km (0.041 R)
• M6: 4,340,881 km (0.036 R)
• M7: 4,751,976 km (0.12 R)
• M8: 6,180,786 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 14.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.12 AU - 1.68 AU

Year: 1124 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,142,272 km

• M1: 181,761 km (0.026 R)
• M2: 776,114 km (0.11 R)
• M3: 1,340,995 km (0.097 R)
• M4: 1,943,576 km (0.12 R)
• M5: 2,485,569 km (0.103 R)
• M6: 3,463,640 km (0.103 R)
• M7: 4,347,913 km (0.097 R)
• M8: 5,216,627 km (0.094 R)
• M9: 6,138,449 km (0.114 R)
• M10: 6,776,185 km (0.06 R)
• M11: 7,344,956 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.2

Radius: 14

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.41 AU - 2.25 AU

Year: 1679 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,142,272 km

• M1: 175,179 km (0.078 R)
• M2: 683,213 km (0.081 R)
• M3: 1,197,681 km (0.106 R)
• M4: 2,274,935 km (0.091 R)
• M5: 2,794,039 km (0.109 R)
• M6: 3,714,964 km (0.099 R)
• M7: 6,315,424 km (0.119 R)
• M8: 7,714,613 km (0.074 R)
• M9: 8,586,020 km (0.112 R)
• M10: 10,109,226 km (0.069 R)
• M11: 10,918,849 km (0.031 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.6

Radius: 3.4

Gravity: 33.44 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.05 AU - 6.25 AU

Year: 9109 Days

Day: 24.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 157.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,142,272 km

• M1: 43,234 km (0.083 R)
• M2: 245,041 km (0.103 R)
• M3: 695,780 km (0.088 R)
• M4: 967,898 km (0.091 R)
• M5: 1,086,829 km (0.052 R)
• M6: 1,719,777 km (0.066 R)
• M7: 1,895,106 km (0.065 R)
• M8: 2,082,402 km (0.063 R)
• M9: 2,299,020 km (0.106 R)
• M10: 2,493,946 km (0.091 R)
• M11: 2,699,643 km (0.111 R)
• M12: 3,340,670 km (0.027 R)
• M13: 3,475,607 km (0.103 R)
• M14: 4,661,918 km (0.099 R)
• M15: 4,916,384 km (0.08 R)
• M16: 5,515,075 km (0.09 R)
• M17: 5,672,003 km (0.069 R)
• M18: 5,864,237 km (0.093 R)
• M19: 6,891,525 km (0.119 R)
• M20: 7,678,260 km (0.101 R)
• M21: 8,440,013 km (0.034 R)
• M22: 8,690,589 km (0.112 R)
• M23: 9,697,682 km (0.094 R)
• M24: 11,174,512 km (0.097 R)
• M25: 12,309,362 km (0.105 R)
• M26: 13,632,405 km (0.1 R)
• M27: 14,269,393 km (0.057 R)
• M28: 14,505,758 km (0.103 R)
• M29: 16,106,904 km (0.102 R)
• M30: 17,281,995 km (0.095 R)
• M31: 19,801,073 km (0.076 R)
• M32: 20,995,313 km (0.111 R)
• M33: 21,455,177 km (0.118 R)
• M34: 21,610,011 km (0.067 R)
• M35: 22,955,943 km (0.114 R)
• M36: 31,919,249 km (0.119 R)
• M37: 33,142,511 km (0.093 R)
• M38: 35,035,522 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.9

Radius: 7.2

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.97 AU - 6.37 AU

Year: 10395 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,142,272 km

• M1: 94,247 km (0.119 R)
• M2: 365,767 km (0.105 R)
• M3: 685,457 km (0.04 R)
• M4: 1,085,931 km (0.044 R)
• M5: 1,479,074 km (0.105 R)
• M6: 1,786,348 km (0.028 R)
• M7: 2,374,567 km (0.036 R)
• M8: 3,107,896 km (0.08 R)
• M9: 3,983,343 km (0.11 R)
• M10: 5,338,250 km (0.084 R)
• M11: 6,586,046 km (0.097 R)
• M12: 8,282,187 km (0.115 R)
• M13: 10,457,938 km (0.114 R)
• M14: 11,537,137 km (0.109 R)
• M15: 12,277,348 km (0.062 R)
• M16: 12,688,742 km (0.117 R)
• M17: 14,491,995 km (0.1 R)
• M18: 17,618,141 km (0.105 R)
• M19: 20,833,448 km (0.081 R)
• M20: 23,599,662 km (0.079 R)
• M21: 29,220,802 km (0.043 R)
• M22: 32,007,063 km (0.069 R)
• M23: 33,921,616 km (0.083 R)
• M24: 39,737,234 km (0.09 R)
• M25: 40,637,364 km (0.037 R)
• M26: 42,611,757 km (0.081 R)
• M27: 43,963,074 km (0.041 R)
• M28: 48,333,127 km (0.086 R)
• M29: 48,917,307 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.1

Radius: 5.6

Gravity: 18.5 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.34 AU - 9.74 AU

Year: 15462 Days

Day: 24.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,142,272 km

• M1: 69,713 km (0.11 R)
• M2: 308,620 km (0.064 R)
• M3: 532,718 km (0.086 R)
• M4: 907,012 km (0.104 R)
• M5: 1,275,172 km (0.075 R)
• M6: 2,306,201 km (0.062 R)
• M7: 2,492,600 km (0.104 R)
• M8: 2,802,417 km (0.082 R)
• M9: 3,088,149 km (0.112 R)
• M10: 3,499,244 km (0.065 R)
• M11: 4,885,418 km (0.072 R)
• M12: 8,199,160 km (0.12 R)
• M13: 10,368,329 km (0.106 R)
• M14: 19,198,792 km (0.113 R)
• M15: 19,452,810 km (0.045 R)
• M16: 23,535,635 km (0.107 R)
• M17: 24,813,500 km (0.111 R)
• M18: 29,146,004 km (0.084 R)
• M19: 32,139,756 km (0.12 R)
• M20: 35,332,324 km (0.099 R)
• M21: 35,841,406 km (0.092 R)
• M22: 36,744,379 km (0.044 R)
• M23: 45,263,229 km (0.084 R)
• M24: 46,622,027 km (0.06 R)
• M25: 53,323,563 km (0.11 R)
• M26: 54,330,506 km (0.071 R)
• M27: 54,668,896 km (0.093 R)
• M28: 58,307,715 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.2

Radius: 7

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.53 AU - 8.57 AU

Year: 16957 Days

Day: 17.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,142,272 km

• M1: 87,664 km (0.041 R)
• M2: 320,887 km (0.074 R)
• M3: 605,722 km (0.112 R)
• M4: 1,084,285 km (0.094 R)
• M5: 1,757,177 km (0.074 R)
• M6: 1,977,085 km (0.066 R)
• M7: 2,451,012 km (0.096 R)
• M8: 3,049,553 km (0.119 R)
• M9: 4,268,476 km (0.09 R)
• M10: 4,738,961 km (0.06 R)
• M11: 5,059,250 km (0.057 R)
• M12: 5,547,388 km (0.09 R)
• M13: 8,015,753 km (0.101 R)
• M14: 9,378,141 km (0.079 R)
• M15: 11,258,736 km (0.065 R)
• M16: 15,514,646 km (0.109 R)
• M17: 16,868,058 km (0.061 R)
• M18: 18,910,368 km (0.036 R)
• M19: 26,790,585 km (0.06 R)
• M20: 31,506,808 km (0.103 R)
• M21: 32,639,263 km (0.057 R)
• M22: 33,022,683 km (0.086 R)
• M23: 35,118,848 km (0.103 R)
• M24: 38,426,756 km (0.109 R)
• M25: 39,864,392 km (0.114 R)
• M26: 40,302,564 km (0.073 R)
• M27: 40,891,830 km (0.093 R)
• M28: 49,755,055 km (0.088 R)
• M29: 50,774,415 km (0.075 R)
• M30: 53,030,800 km (0.111 R)
• M31: 61,162,641 km (0.073 R)
• M32: 68,613,063 km (0.06 R)
• M33: 71,367,908 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.4

Radius: 8

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.07 AU - 11.11 AU

Year: 21738 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,142,272 km

• M1: 108,309 km (0.058 R)
• M2: 392,246 km (0.051 R)
• M3: 1,107,473 km (0.091 R)
• M4: 2,238,583 km (0.058 R)
• M5: 3,968,832 km (0.049 R)
• M6: 4,512,769 km (0.101 R)
• M7: 5,183,117 km (0.099 R)
• M8: 6,355,217 km (0.115 R)
• M9: 9,042,144 km (0.092 R)
• M10: 9,801,503 km (0.115 R)
• M11: 11,647,989 km (0.099 R)
• M12: 13,416,386 km (0.077 R)
• M13: 14,325,791 km (0.06 R)
• M14: 18,013,379 km (0.106 R)
• M15: 24,438,009 km (0.105 R)
• M16: 33,318,737 km (0.102 R)
• M17: 33,729,383 km (0.103 R)
• M18: 40,612,082 km (0.106 R)
• M19: 43,968,759 km (0.054 R)
• M20: 47,161,178 km (0.038 R)
• M21: 47,852,320 km (0.043 R)
• M22: 66,971,227 km (0.054 R)
• M23: 68,946,517 km (0.115 R)
• M24: 77,956,049 km (0.102 R)
• M25: 83,117,475 km (0.094 R)
• M26: 83,872,944 km (0.109 R)
• M27: 85,142,282 km (0.052 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: 313 - 20,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit