🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 12.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.81 AU - 0.97 AU

Year: 569 Days

Day: 7.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,315,811 km

• M1: 156,629 km (0.045 R)
• M2: 553,662 km (0.11 R)
• M3: 1,201,720 km (0.062 R)
• M4: 1,594,115 km (0.035 R)
• M5: 2,074,025 km (0.093 R)
• M6: 3,734,262 km (0.107 R)
• M7: 4,251,422 km (0.112 R)
• M8: 5,714,938 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 13.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.87 AU - 1.13 AU

Year: 678 Days

Day: 5.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,315,811 km

• M1: 171,738 km (0.103 R)
• M2: 675,584 km (0.058 R)
• M3: 1,316,910 km (0.115 R)
• M4: 1,746,406 km (0.114 R)
• M5: 2,372,473 km (0.078 R)
• M6: 3,083,661 km (0.12 R)
• M7: 3,860,822 km (0.103 R)
• M8: 4,765,141 km (0.101 R)
• M9: 5,883,385 km (0.054 R)
• M10: 6,714,551 km (0.069 R)
• M11: 7,303,817 km (0.068 R)
• M12: 7,809,158 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 8

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.91 AU - 1.31 AU

Year: 793 Days

Day: 5.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,315,811 km

• M1: 102,026 km (0.102 R)
• M2: 388,506 km (0.102 R)
• M3: 650,900 km (0.089 R)
• M4: 965,355 km (0.051 R)
• M5: 1,343,389 km (0.11 R)
• M6: 1,700,778 km (0.115 R)
• M7: 1,970,354 km (0.097 R)
• M8: 2,573,083 km (0.089 R)
• M9: 2,943,488 km (0.069 R)
• M10: 3,507,172 km (0.083 R)
• M11: 3,807,116 km (0.033 R)
• M12: 4,206,393 km (0.058 R)
• M13: 5,454,638 km (0.054 R)
• M14: 6,046,896 km (0.09 R)
• M15: 6,636,012 km (0.066 R)
• M16: 6,886,888 km (0.051 R)
• M17: 8,030,713 km (0.03 R)
• M18: 9,296,460 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 9.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.11 AU - 1.15 AU

Year: 815 Days

Day: 11.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,315,811 km

• M1: 123,269 km (0.108 R)
• M2: 502,200 km (0.1 R)
• M3: 1,361,640 km (0.062 R)
• M4: 1,981,873 km (0.116 R)
• M5: 2,638,009 km (0.076 R)
• M6: 3,879,073 km (0.066 R)
• M7: 4,287,924 km (0.074 R)
• M8: 5,296,662 km (0.094 R)
• M9: 7,267,764 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 12.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.34 AU - 1.36 AU

Year: 1064 Days

Day: 9.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,315,811 km

• M1: 154,235 km (0.119 R)
• M2: 613,950 km (0.116 R)
• M3: 1,035,516 km (0.111 R)
• M4: 1,454,241 km (0.095 R)
• M5: 2,252,944 km (0.064 R)
• M6: 2,798,527 km (0.112 R)
• M7: 3,235,802 km (0.094 R)
• M8: 4,022,388 km (0.095 R)
• M9: 5,650,162 km (0.048 R)
• M10: 6,253,041 km (0.108 R)
• M11: 6,941,640 km (0.119 R)
• M12: 7,633,979 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219

Radius: 11.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.43 AU - 3.17 AU

Year: 3178 Days

Day: 8.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,315,811 km

• M1: 145,858 km (0.091 R)
• M2: 539,151 km (0.11 R)
• M3: 1,039,855 km (0.046 R)
• M4: 2,826,801 km (0.065 R)
• M5: 3,376,424 km (0.09 R)
• M6: 6,676,104 km (0.081 R)
• M7: 7,401,355 km (0.065 R)
• M8: 9,962,769 km (0.086 R)
• M9: 10,802,013 km (0.047 R)
• M10: 14,902,940 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.6

Radius: 13.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.47 AU - 3.75 AU

Year: 4652 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,315,811 km

• M1: 165,455 km (0.114 R)
• M2: 826,977 km (0.116 R)
• M3: 1,282,054 km (0.104 R)
• M4: 1,815,221 km (0.091 R)
• M5: 2,971,313 km (0.108 R)
• M6: 3,968,233 km (0.071 R)
• M7: 4,494,818 km (0.095 R)
• M8: 5,095,154 km (0.09 R)
• M9: 5,988,552 km (0.071 R)
• M10: 7,938,261 km (0.068 R)
• M11: 9,343,584 km (0.108 R)
• M12: 10,772,094 km (0.086 R)
• M13: 13,681,922 km (0.104 R)
• M14: 14,777,427 km (0.086 R)
• M15: 15,636,717 km (0.115 R)
• M16: 16,347,906 km (0.081 R)
• M17: 17,267,185 km (0.051 R)
• M18: 18,875,511 km (0.109 R)
• M19: 19,818,726 km (0.068 R)
• M20: 21,220,308 km (0.112 R)
• M21: 23,522,021 km (0.059 R)
• M22: 28,267,714 km (0.106 R)
• M23: 30,497,022 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.8

Radius: 12.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.66 AU - 4.28 AU

Year: 5365 Days

Day: 5.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,315,811 km

• M1: 160,967 km (0.12 R)
• M2: 666,608 km (0.086 R)
• M3: 1,116,000 km (0.098 R)
• M4: 1,605,484 km (0.079 R)
• M5: 2,344,199 km (0.102 R)
• M6: 7,590,746 km (0.045 R)
• M7: 11,843,364 km (0.107 R)
• M8: 13,245,545 km (0.107 R)
• M9: 14,055,618 km (0.034 R)
• M10: 14,803,308 km (0.091 R)
• M11: 18,170,457 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.4

Radius: 5.7

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.93 AU - 6.51 AU

Year: 9279 Days

Day: 20.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 38,315,811 km

• M1: 70,909 km (0.069 R)
• M2: 272,418 km (0.115 R)
• M3: 599,588 km (0.07 R)
• M4: 866,321 km (0.037 R)
• M5: 1,062,743 km (0.098 R)
• M6: 1,767,499 km (0.054 R)
• M7: 2,055,624 km (0.086 R)
• M8: 2,339,561 km (0.09 R)
• M9: 3,965,989 km (0.101 R)
• M10: 4,542,839 km (0.109 R)
• M11: 4,851,459 km (0.108 R)
• M12: 5,960,278 km (0.044 R)
• M13: 6,330,383 km (0.095 R)
• M14: 6,679,994 km (0.066 R)
• M15: 8,624,317 km (0.109 R)
• M16: 9,185,758 km (0.084 R)
• M17: 9,863,436 km (0.103 R)
• M18: 10,096,510 km (0.118 R)
• M19: 11,676,862 km (0.077 R)
• M20: 14,524,906 km (0.111 R)
• M21: 14,705,620 km (0.089 R)
• M22: 15,443,287 km (0.11 R)
• M23: 15,821,321 km (0.05 R)
• M24: 16,399,816 km (0.061 R)
• M25: 18,784,257 km (0.033 R)
• M26: 18,998,780 km (0.029 R)
• M27: 19,505,767 km (0.063 R)
• M28: 20,096,230 km (0.06 R)
• M29: 24,312,048 km (0.108 R)
• M30: 24,823,523 km (0.085 R)
• M31: 25,082,028 km (0.098 R)
• M32: 29,464,946 km (0.057 R)
• M33: 32,141,551 km (0.119 R)
• M34: 33,381,568 km (0.031 R)
• M35: 34,439,075 km (0.099 R)
• M36: 37,067,510 km (0.061 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: 374 - 17,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit