🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.2

Radius: 14.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.61 AU - 0.77 AU

Year: 396 Days

Day: 13.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,092,581 km

• M1: 185,501 km (0.074 R)
• M2: 699,669 km (0.068 R)
• M3: 1,555,369 km (0.046 R)
• M4: 2,203,577 km (0.093 R)
• M5: 2,690,817 km (0.101 R)
• M6: 3,199,450 km (0.093 R)
• M7: 4,090,754 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.9

Radius: 11.1

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.75 AU - 0.93 AU

Year: 531 Days

Day: 7.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,092,581 km

• M1: 138,528 km (0.117 R)
• M2: 673,190 km (0.036 R)
• M3: 1,128,118 km (0.11 R)
• M4: 1,610,720 km (0.079 R)
• M5: 2,173,507 km (0.078 R)
• M6: 2,594,476 km (0.075 R)
• M7: 3,236,700 km (0.06 R)
• M8: 3,668,589 km (0.118 R)
• M9: 4,328,914 km (0.094 R)
• M10: 4,695,877 km (0.094 R)
• M11: 5,651,658 km (0.073 R)
• M12: 6,034,928 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.5

Radius: 10.3

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.86 AU - 0.96 AU

Year: 599 Days

Day: 14.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 158.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,092,581 km

• M1: 128,056 km (0.094 R)
• M2: 507,735 km (0.095 R)
• M3: 1,009,636 km (0.097 R)
• M4: 1,378,096 km (0.07 R)
• M5: 1,745,807 km (0.053 R)
• M6: 2,237,087 km (0.116 R)
• M7: 3,006,468 km (0.062 R)
• M8: 3,433,122 km (0.12 R)
• M9: 3,758,347 km (0.103 R)
• M10: 4,209,235 km (0.115 R)
• M11: 4,582,931 km (0.117 R)
• M12: 5,451,197 km (0.118 R)
• M13: 5,820,255 km (0.097 R)
• M14: 6,650,074 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.2

Radius: 14.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.79 AU - 1.27 AU

Year: 722 Days

Day: 8.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,092,581 km

• M1: 181,761 km (0.116 R)
• M2: 627,862 km (0.109 R)
• M3: 1,220,419 km (0.075 R)
• M4: 2,149,422 km (0.115 R)
• M5: 2,793,142 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.7

Radius: 12.8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.92 AU - 1.2 AU

Year: 753 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,092,581 km

• M1: 159,172 km (0.119 R)
• M2: 566,976 km (0.06 R)
• M3: 1,044,642 km (0.116 R)
• M4: 1,550,881 km (0.106 R)
• M5: 2,429,918 km (0.106 R)
• M6: 2,988,517 km (0.072 R)
• M7: 3,532,604 km (0.09 R)
• M8: 4,301,388 km (0.075 R)
• M9: 4,700,365 km (0.061 R)
• M10: 5,515,973 km (0.117 R)
• M11: 6,172,408 km (0.049 R)
• M12: 6,925,035 km (0.08 R)
• M13: 7,546,764 km (0.031 R)
• M14: 8,458,862 km (0.112 R)
• M15: 8,981,856 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.8

Radius: 11.9

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.96 AU - 2.6 AU

Year: 2376 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,092,581 km

• M1: 156,330 km (0.099 R)
• M2: 534,663 km (0.03 R)
• M3: 908,209 km (0.11 R)
• M4: 1,845,290 km (0.106 R)
• M5: 2,302,760 km (0.073 R)
• M6: 3,123,903 km (0.093 R)
• M7: 3,503,433 km (0.118 R)
• M8: 3,991,870 km (0.12 R)
• M9: 4,461,607 km (0.028 R)
• M10: 5,367,123 km (0.118 R)
• M11: 6,149,968 km (0.114 R)
• M12: 8,556,549 km (0.06 R)
• M13: 9,376,196 km (0.072 R)
• M14: 10,247,753 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 9.3

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.85 AU - 4.87 AU

Year: 6284 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,092,581 km

• M1: 115,639 km (0.094 R)
• M2: 454,329 km (0.083 R)
• M3: 1,446,163 km (0.11 R)
• M4: 1,956,441 km (0.092 R)
• M5: 2,582,957 km (0.079 R)
• M6: 3,154,122 km (0.095 R)
• M7: 4,166,301 km (0.075 R)
• M8: 5,252,980 km (0.083 R)
• M9: 6,607,439 km (0.114 R)
• M10: 7,190,870 km (0.101 R)
• M11: 8,745,492 km (0.074 R)
• M12: 10,109,675 km (0.043 R)
• M13: 15,468,420 km (0.086 R)
• M14: 16,221,496 km (0.092 R)
• M15: 17,168,749 km (0.091 R)
• M16: 21,460,114 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 8.5

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.54 AU - 5.28 AU

Year: 6392 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,092,581 km

• M1: 106,663 km (0.093 R)
• M2: 396,883 km (0.104 R)
• M3: 887,115 km (0.081 R)
• M4: 1,555,519 km (0.069 R)
• M5: 2,126,833 km (0.117 R)
• M6: 4,078,786 km (0.096 R)
• M7: 4,584,876 km (0.12 R)
• M8: 6,219,681 km (0.11 R)
• M9: 6,781,571 km (0.087 R)
• M10: 7,845,660 km (0.079 R)
• M11: 9,105,424 km (0.116 R)
• M12: 11,393,374 km (0.11 R)
• M13: 12,725,244 km (0.068 R)
• M14: 16,405,800 km (0.046 R)
• M15: 17,002,845 km (0.114 R)
• M16: 17,477,220 km (0.03 R)
• M17: 17,960,421 km (0.052 R)
• M18: 20,434,920 km (0.063 R)
• M19: 22,474,238 km (0.107 R)
• M20: 29,207,488 km (0.115 R)
• M21: 33,661,914 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 8.1

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.51 AU - 6.21 AU

Year: 8566 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,092,581 km

• M1: 147,055 km (0.035 R)
• M2: 419,173 km (0.098 R)
• M3: 684,560 km (0.116 R)
• M4: 1,067,381 km (0.066 R)
• M5: 1,493,585 km (0.098 R)
• M6: 1,838,109 km (0.114 R)
• M7: 2,147,777 km (0.081 R)
• M8: 2,668,228 km (0.067 R)
• M9: 3,933,377 km (0.071 R)
• M10: 4,451,584 km (0.045 R)
• M11: 6,463,526 km (0.109 R)
• M12: 6,875,069 km (0.084 R)
• M13: 7,185,335 km (0.116 R)
• M14: 7,875,730 km (0.113 R)
• M15: 8,258,700 km (0.081 R)
• M16: 8,879,232 km (0.064 R)
• M17: 9,294,217 km (0.102 R)
• M18: 10,014,680 km (0.046 R)
• M19: 11,729,969 km (0.067 R)
• M20: 12,456,566 km (0.084 R)
• M21: 14,498,726 km (0.118 R)
• M22: 17,675,288 km (0.103 R)
• M23: 18,930,264 km (0.117 R)
• M24: 22,283,500 km (0.048 R)
• M25: 23,396,658 km (0.074 R)
• M26: 26,482,862 km (0.096 R)
• M27: 28,419,556 km (0.103 R)
• M28: 29,321,183 km (0.09 R)
• M29: 31,818,570 km (0.113 R)
• M30: 34,341,687 km (0.098 R)
• M31: 43,098,099 km (0.069 R)
• M32: 43,888,724 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 18,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit