🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 10.9

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.5 AU - 0.54 AU

Year: 254 Days

Day: 10.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,278,088 km

• M1: 135,536 km (0.043 R)
• M2: 650,152 km (0.106 R)
• M3: 1,247,497 km (0.097 R)
• M4: 1,709,455 km (0.059 R)
• M5: 2,259,825 km (0.05 R)
• M6: 2,650,126 km (0.071 R)
• M7: 2,994,650 km (0.117 R)
• M8: 3,445,987 km (0.09 R)
• M9: 4,201,755 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.2

Radius: 13.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 6.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,278,088 km

• M1: 166,652 km (0.111 R)
• M2: 588,967 km (0.104 R)
• M3: 1,073,514 km (0.105 R)
• M4: 1,655,151 km (0.088 R)
• M5: 2,705,477 km (0.039 R)
• M6: 3,450,475 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.3

Radius: 10.3

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.62 AU - 0.9 AU

Year: 449 Days

Day: 14.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,278,088 km

• M1: 128,654 km (0.085 R)
• M2: 565,181 km (0.099 R)
• M3: 1,643,033 km (0.094 R)
• M4: 2,142,690 km (0.097 R)
• M5: 2,477,790 km (0.091 R)
• M6: 3,024,570 km (0.086 R)
• M7: 3,832,697 km (0.085 R)
• M8: 4,230,777 km (0.087 R)
• M9: 4,580,986 km (0.056 R)
• M10: 5,508,493 km (0.111 R)
• M11: 6,089,531 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 12.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.05 AU

Year: 560 Days

Day: 6 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,278,088 km

• M1: 151,692 km (0.103 R)
• M2: 604,525 km (0.114 R)
• M3: 1,023,100 km (0.113 R)
• M4: 1,469,949 km (0.076 R)
• M5: 1,851,872 km (0.076 R)
• M6: 2,493,797 km (0.103 R)
• M7: 2,912,970 km (0.095 R)
• M8: 3,503,582 km (0.052 R)
• M9: 3,895,529 km (0.059 R)
• M10: 4,356,589 km (0.109 R)
• M11: 4,868,364 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.1

Radius: 14.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.74 AU - 2.82 AU

Year: 3144 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,278,088 km

• M1: 179,368 km (0.111 R)
• M2: 702,512 km (0.113 R)
• M3: 1,341,444 km (0.1 R)
• M4: 2,828,447 km (0.099 R)
• M5: 3,423,697 km (0.09 R)
• M6: 4,583,080 km (0.079 R)
• M7: 5,254,176 km (0.04 R)
• M8: 5,870,669 km (0.119 R)
• M9: 6,433,756 km (0.102 R)
• M10: 7,249,812 km (0.065 R)
• M11: 8,898,231 km (0.11 R)
• M12: 10,185,969 km (0.118 R)
• M13: 10,929,022 km (0.091 R)
• M14: 11,746,126 km (0.058 R)
• M15: 13,797,262 km (0.116 R)
• M16: 15,428,028 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.9

Radius: 8.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.04 AU - 4.22 AU

Year: 4691 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,278,088 km

• M1: 110,852 km (0.049 R)
• M2: 533,316 km (0.082 R)
• M3: 812,616 km (0.108 R)
• M4: 1,123,929 km (0.067 R)
• M5: 1,412,353 km (0.066 R)
• M6: 1,883,736 km (0.112 R)
• M7: 2,240,079 km (0.102 R)
• M8: 3,549,509 km (0.059 R)
• M9: 4,075,644 km (0.091 R)
• M10: 4,769,928 km (0.051 R)
• M11: 5,283,647 km (0.109 R)
• M12: 7,360,514 km (0.039 R)
• M13: 7,879,619 km (0.114 R)
• M14: 8,954,929 km (0.081 R)
• M15: 10,973,901 km (0.109 R)
• M16: 11,651,879 km (0.115 R)
• M17: 12,629,202 km (0.113 R)
• M18: 13,373,601 km (0.071 R)
• M19: 14,847,738 km (0.06 R)
• M20: 17,370,557 km (0.101 R)
• M21: 17,711,939 km (0.093 R)
• M22: 18,290,883 km (0.041 R)
• M23: 19,243,372 km (0.094 R)
• M24: 22,299,358 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578

Radius: 6.5

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.25 AU - 6.51 AU

Year: 9671 Days

Day: 18.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,278,088 km

• M1: 199,564 km (0.113 R)
• M2: 960,867 km (0.088 R)
• M3: 1,449,603 km (0.115 R)
• M4: 2,302,311 km (0.116 R)
• M5: 3,061,670 km (0.074 R)
• M6: 4,056,346 km (0.034 R)
• M7: 4,671,194 km (0.102 R)
• M8: 5,282,600 km (0.069 R)
• M9: 6,515,286 km (0.076 R)
• M10: 7,159,604 km (0.059 R)
• M11: 8,355,340 km (0.102 R)
• M12: 8,618,483 km (0.106 R)
• M13: 13,141,874 km (0.102 R)
• M14: 13,799,805 km (0.069 R)
• M15: 14,668,670 km (0.077 R)
• M16: 18,733,543 km (0.062 R)
• M17: 22,718,232 km (0.105 R)
• M18: 23,577,821 km (0.086 R)
• M19: 30,108,666 km (0.039 R)
• M20: 36,453,560 km (0.11 R)
• M21: 38,469,392 km (0.038 R)
• M22: 40,809,102 km (0.115 R)
• M23: 41,060,726 km (0.038 R)
• M24: 41,949,786 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.9

Radius: 4.4

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.69 AU - 6.61 AU

Year: 10344 Days

Day: 21.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,278,088 km

• M1: 73,453 km (0.077 R)
• M2: 244,443 km (0.086 R)
• M3: 432,637 km (0.109 R)
• M4: 1,133,802 km (0.095 R)
• M5: 1,622,239 km (0.069 R)
• M6: 2,102,149 km (0.103 R)
• M7: 2,239,480 km (0.118 R)
• M8: 2,432,162 km (0.077 R)
• M9: 3,116,423 km (0.115 R)
• M10: 4,881,229 km (0.071 R)
• M11: 7,151,077 km (0.093 R)
• M12: 8,004,683 km (0.114 R)
• M13: 8,341,577 km (0.101 R)
• M14: 9,616,450 km (0.053 R)
• M15: 10,344,094 km (0.07 R)
• M16: 15,210,064 km (0.1 R)
• M17: 15,610,837 km (0.056 R)
• M18: 19,406,733 km (0.091 R)
• M19: 19,878,266 km (0.102 R)
• M20: 24,159,458 km (0.1 R)
• M21: 25,338,289 km (0.063 R)
• M22: 25,578,543 km (0.087 R)
• M23: 25,901,375 km (0.075 R)
• M24: 26,390,560 km (0.099 R)
• M25: 26,969,055 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.7

Radius: 5.4

Gravity: 22.11 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.23 AU - 7.31 AU

Year: 11947 Days

Day: 19.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,278,088 km

• M1: 70,610 km (0.086 R)
• M2: 275,559 km (0.108 R)
• M3: 1,423,274 km (0.065 R)
• M4: 4,208,637 km (0.073 R)
• M5: 6,019,070 km (0.112 R)
• M6: 7,115,473 km (0.091 R)
• M7: 8,384,811 km (0.101 R)
• M8: 10,004,806 km (0.077 R)
• M9: 11,764,526 km (0.117 R)
• M10: 16,897,079 km (0.085 R)
• M11: 20,030,556 km (0.091 R)
• M12: 20,363,711 km (0.101 R)
• M13: 20,700,605 km (0.034 R)
• M14: 22,351,717 km (0.115 R)
• M15: 29,944,108 km (0.03 R)
• M16: 31,375,311 km (0.084 R)
• M17: 34,373,402 km (0.097 R)
• M18: 34,851,068 km (0.1 R)
• M19: 39,610,823 km (0.113 R)
• M20: 48,128,029 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.4

Radius: 5

Gravity: 26.86 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.54 AU - 11.22 AU

Year: 19485 Days

Day: 15.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,278,088 km

• M1: 62,382 km (0.107 R)
• M2: 265,835 km (0.05 R)
• M3: 453,132 km (0.076 R)
• M4: 612,454 km (0.053 R)
• M5: 863,329 km (0.103 R)
• M6: 1,167,013 km (0.065 R)
• M7: 1,366,577 km (0.093 R)
• M8: 2,065,947 km (0.081 R)
• M9: 2,778,032 km (0.09 R)
• M10: 3,553,697 km (0.091 R)
• M11: 3,913,630 km (0.03 R)
• M12: 5,600,047 km (0.104 R)
• M13: 6,470,856 km (0.088 R)
• M14: 7,053,091 km (0.119 R)
• M15: 8,116,881 km (0.116 R)
• M16: 9,173,192 km (0.102 R)
• M17: 10,437,443 km (0.107 R)
• M18: 13,951,647 km (0.052 R)
• M19: 14,768,451 km (0.087 R)
• M20: 15,382,251 km (0.085 R)
• M21: 17,325,378 km (0.09 R)
• M22: 17,664,517 km (0.116 R)
• M23: 21,887,515 km (0.109 R)
• M24: 31,122,191 km (0.114 R)
• M25: 35,281,461 km (0.098 R)
• M26: 36,932,124 km (0.117 R)
• M27: 41,282,580 km (0.103 R)
• M28: 56,173,701 km (0.105 R)
• M29: 58,230,971 km (0.11 R)
• M30: 59,373,899 km (0.067 R)
• M31: 59,758,216 km (0.104 R)
• M32: 62,098,974 km (0.086 R)
• M33: 62,494,959 km (0.114 R)
• M34: 67,587,720 km (0.094 R)
• M35: 72,950,205 km (0.113 R)
• M36: 74,055,733 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 12,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit