🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.8

Radius: 8.2

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.02 AU - 1.14 AU

Year: 748 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,087,457 km

• M1: 102,026 km (0.087 R)
• M2: 380,128 km (0.102 R)
• M3: 699,520 km (0.039 R)
• M4: 1,040,453 km (0.117 R)
• M5: 1,377,946 km (0.07 R)
• M6: 1,863,541 km (0.035 R)
• M7: 2,428,123 km (0.092 R)
• M8: 3,200,497 km (0.119 R)
• M9: 3,509,267 km (0.087 R)
• M10: 5,416,939 km (0.108 R)
• M11: 6,301,062 km (0.086 R)
• M12: 6,582,157 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.9

Radius: 9.9

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.03 AU - 2.27 AU

Year: 2102 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,087,457 km

• M1: 123,418 km (0.118 R)
• M2: 545,733 km (0.095 R)
• M3: 1,047,933 km (0.077 R)
• M4: 1,506,301 km (0.085 R)
• M5: 2,345,395 km (0.089 R)
• M6: 3,252,407 km (0.08 R)
• M7: 4,258,752 km (0.1 R)
• M8: 4,769,928 km (0.114 R)
• M9: 5,163,071 km (0.116 R)
• M10: 5,793,327 km (0.071 R)
• M11: 6,370,027 km (0.085 R)
• M12: 6,766,312 km (0.094 R)
• M13: 7,755,752 km (0.061 R)
• M14: 9,132,800 km (0.079 R)
• M15: 9,671,802 km (0.089 R)
• M16: 11,112,728 km (0.082 R)
• M17: 11,571,694 km (0.12 R)
• M18: 11,884,504 km (0.114 R)
• M19: 12,324,022 km (0.1 R)
• M20: 12,774,461 km (0.098 R)
• M21: 13,320,643 km (0.102 R)
• M22: 15,426,832 km (0.118 R)
• M23: 15,950,125 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.7

Radius: 13.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.01 AU - 2.49 AU

Year: 2251 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,087,457 km

• M1: 163,660 km (0.06 R)
• M2: 845,228 km (0.118 R)
• M3: 1,534,276 km (0.034 R)
• M4: 2,046,499 km (0.103 R)
• M5: 2,511,449 km (0.048 R)
• M6: 3,473,663 km (0.068 R)
• M7: 4,389,950 km (0.059 R)
• M8: 5,022,001 km (0.094 R)
• M9: 5,761,014 km (0.108 R)
• M10: 6,292,984 km (0.062 R)
• M11: 6,964,080 km (0.116 R)
• M12: 8,118,826 km (0.106 R)
• M13: 8,851,706 km (0.092 R)
• M14: 9,266,990 km (0.116 R)
• M15: 11,922,950 km (0.092 R)
• M16: 13,404,568 km (0.071 R)
• M17: 14,560,959 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.2

Radius: 13.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.93 AU - 4.49 AU

Year: 5760 Days

Day: 5.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,087,457 km

• M1: 167,849 km (0.045 R)
• M2: 632,949 km (0.107 R)
• M3: 1,211,743 km (0.084 R)
• M4: 1,644,978 km (0.118 R)
• M5: 2,448,169 km (0.069 R)
• M6: 2,895,018 km (0.079 R)
• M7: 3,669,037 km (0.052 R)
• M8: 4,117,532 km (0.112 R)
• M9: 5,180,275 km (0.082 R)
• M10: 6,046,148 km (0.099 R)
• M11: 6,972,607 km (0.118 R)
• M12: 7,845,511 km (0.114 R)
• M13: 9,682,722 km (0.115 R)
• M14: 11,459,795 km (0.109 R)
• M15: 13,031,022 km (0.104 R)
• M16: 13,497,767 km (0.109 R)
• M17: 14,246,056 km (0.038 R)
• M18: 15,021,870 km (0.119 R)
• M19: 15,825,660 km (0.111 R)
• M20: 16,477,158 km (0.118 R)
• M21: 20,839,133 km (0.044 R)
• M22: 22,203,914 km (0.092 R)
• M23: 24,245,028 km (0.099 R)
• M24: 25,511,972 km (0.055 R)
• M25: 30,024,891 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.5

Radius: 7

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.39 AU - 6.99 AU

Year: 10270 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,087,457 km

• M1: 87,216 km (0.077 R)
• M2: 383,270 km (0.099 R)
• M3: 1,795,773 km (0.099 R)
• M4: 2,675,708 km (0.111 R)
• M5: 3,762,985 km (0.061 R)
• M6: 5,150,954 km (0.118 R)
• M7: 6,247,357 km (0.031 R)
• M8: 6,696,001 km (0.112 R)
• M9: 8,348,309 km (0.071 R)
• M10: 10,357,708 km (0.075 R)
• M11: 14,841,156 km (0.036 R)
• M12: 16,962,155 km (0.106 R)
• M13: 18,132,309 km (0.064 R)
• M14: 22,220,669 km (0.1 R)
• M15: 23,176,450 km (0.115 R)
• M16: 23,978,743 km (0.108 R)
• M17: 33,382,466 km (0.075 R)
• M18: 33,721,155 km (0.045 R)
• M19: 34,405,117 km (0.114 R)
• M20: 42,024,435 km (0.101 R)
• M21: 46,364,270 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.2

Radius: 4.8

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.82 AU - 9.2 AU

Year: 16555 Days

Day: 16.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,087,457 km

• M1: 64,925 km (0.11 R)
• M2: 421,716 km (0.104 R)
• M3: 943,364 km (0.05 R)
• M4: 1,398,441 km (0.065 R)
• M5: 1,861,596 km (0.099 R)
• M6: 2,384,141 km (0.109 R)
• M7: 7,680,205 km (0.117 R)
• M8: 9,599,247 km (0.088 R)
• M9: 12,033,054 km (0.112 R)
• M10: 13,216,373 km (0.072 R)
• M11: 17,790,179 km (0.049 R)
• M12: 18,875,362 km (0.03 R)
• M13: 20,467,831 km (0.11 R)
• M14: 22,229,944 km (0.058 R)
• M15: 32,361,161 km (0.112 R)
• M16: 33,322,627 km (0.105 R)
• M17: 34,083,631 km (0.063 R)
• M18: 34,634,151 km (0.065 R)
• M19: 38,180,518 km (0.089 R)
• M20: 38,536,112 km (0.115 R)
• M21: 41,211,072 km (0.112 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 17,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit