🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.2

Radius: 10.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.72 AU - 1.04 AU

Year: 525 Days

Day: 14.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,692,530 km

• M1: 135,536 km (0.039 R)
• M2: 585,975 km (0.117 R)
• M3: 1,084,884 km (0.089 R)
• M4: 1,430,754 km (0.107 R)
• M5: 2,355,718 km (0.052 R)
• M6: 3,023,672 km (0.045 R)
• M7: 3,484,882 km (0.088 R)
• M8: 4,123,815 km (0.065 R)
• M9: 5,203,762 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.7

Radius: 11.5

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.76 AU - 2.7 AU

Year: 2117 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,692,530 km

• M1: 143,016 km (0.07 R)
• M2: 627,862 km (0.096 R)
• M3: 1,048,232 km (0.119 R)
• M4: 1,410,558 km (0.109 R)
• M5: 1,790,687 km (0.105 R)
• M6: 2,200,884 km (0.067 R)
• M7: 2,825,904 km (0.119 R)
• M8: 3,422,650 km (0.096 R)
• M9: 4,474,024 km (0.075 R)
• M10: 5,098,295 km (0.116 R)
• M11: 5,603,787 km (0.092 R)
• M12: 5,985,261 km (0.025 R)
• M13: 6,384,089 km (0.115 R)
• M14: 6,828,993 km (0.057 R)
• M15: 7,937,962 km (0.101 R)
• M16: 8,618,782 km (0.041 R)
• M17: 10,022,758 km (0.116 R)
• M18: 11,655,619 km (0.086 R)
• M19: 12,925,854 km (0.045 R)
• M20: 13,776,767 km (0.106 R)
• M21: 15,244,771 km (0.088 R)
• M22: 15,739,940 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.2

Radius: 11.3

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.54 AU - 5.9 AU

Year: 6520 Days

Day: 7.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,692,530 km

• M1: 140,622 km (0.106 R)
• M2: 537,804 km (0.085 R)
• M3: 1,154,447 km (0.095 R)
• M4: 2,192,506 km (0.118 R)
• M5: 2,658,953 km (0.117 R)
• M6: 3,746,978 km (0.101 R)
• M7: 4,314,103 km (0.048 R)
• M8: 4,686,901 km (0.065 R)
• M9: 5,081,092 km (0.089 R)
• M10: 6,605,045 km (0.05 R)
• M11: 7,585,809 km (0.067 R)
• M12: 8,786,781 km (0.101 R)
• M13: 10,771,495 km (0.071 R)
• M14: 11,261,429 km (0.098 R)
• M15: 14,578,462 km (0.099 R)
• M16: 15,422,792 km (0.1 R)
• M17: 21,340,735 km (0.082 R)
• M18: 24,380,264 km (0.086 R)
• M19: 26,266,095 km (0.103 R)
• M20: 36,074,479 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.8

Radius: 4.2

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.24 AU - 8 AU

Year: 10830 Days

Day: 17.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,692,530 km

• M1: 52,359 km (0.075 R)
• M2: 197,170 km (0.045 R)
• M3: 858,542 km (0.055 R)
• M4: 1,003,802 km (0.088 R)
• M5: 1,223,561 km (0.113 R)
• M6: 1,914,853 km (0.041 R)
• M7: 2,045,900 km (0.086 R)
• M8: 2,381,598 km (0.094 R)
• M9: 5,431,599 km (0.087 R)
• M10: 7,462,540 km (0.09 R)
• M11: 7,871,840 km (0.03 R)
• M12: 11,219,092 km (0.054 R)
• M13: 12,030,511 km (0.062 R)
• M14: 15,341,262 km (0.08 R)
• M15: 15,471,861 km (0.091 R)
• M16: 15,603,357 km (0.057 R)
• M17: 17,309,521 km (0.099 R)
• M18: 19,060,713 km (0.055 R)
• M19: 27,440,139 km (0.1 R)
• M20: 36,215,700 km (0.101 R)
• M21: 40,666,087 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.4

Radius: 4

Gravity: 29.46 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.83 AU - 9.47 AU

Year: 14793 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,692,530 km

• M1: 49,816 km (0.113 R)
• M2: 200,312 km (0.096 R)
• M3: 386,112 km (0.088 R)
• M4: 550,819 km (0.108 R)
• M5: 827,725 km (0.086 R)
• M6: 1,106,426 km (0.12 R)
• M7: 1,361,041 km (0.069 R)
• M8: 2,095,118 km (0.119 R)
• M9: 2,323,554 km (0.108 R)
• M10: 2,675,408 km (0.11 R)
• M11: 3,014,547 km (0.079 R)
• M12: 3,231,464 km (0.103 R)
• M13: 3,356,378 km (0.114 R)
• M14: 4,001,593 km (0.086 R)
• M15: 5,051,920 km (0.086 R)
• M16: 10,215,590 km (0.039 R)
• M17: 10,485,464 km (0.114 R)
• M18: 12,943,357 km (0.12 R)
• M19: 16,265,627 km (0.077 R)
• M20: 17,693,539 km (0.089 R)
• M21: 18,082,643 km (0.092 R)
• M22: 20,968,386 km (0.111 R)
• M23: 22,293,823 km (0.113 R)
• M24: 22,839,257 km (0.109 R)
• M25: 23,300,616 km (0.073 R)
• M26: 26,909,216 km (0.094 R)
• M27: 27,114,315 km (0.095 R)
• M28: 27,320,311 km (0.028 R)
• M29: 28,685,392 km (0.116 R)
• M30: 29,114,438 km (0.061 R)
• M31: 30,761,212 km (0.047 R)
• M32: 36,698,003 km (0.099 R)
• M33: 39,271,984 km (0.088 R)
• M34: 41,415,722 km (0.087 R)
• M35: 42,239,408 km (0.06 R)
• M36: 44,919,603 km (0.108 R)
• M37: 46,965,504 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.7

Radius: 5.8

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.89 AU - 8.87 AU

Year: 15424 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,692,530 km

• M1: 100,679 km (0.108 R)
• M2: 321,935 km (0.099 R)
• M3: 547,678 km (0.035 R)
• M4: 950,844 km (0.094 R)
• M5: 1,420,881 km (0.102 R)
• M6: 1,685,070 km (0.065 R)
• M7: 2,511,748 km (0.029 R)
• M8: 2,968,171 km (0.118 R)
• M9: 3,660,660 km (0.057 R)
• M10: 5,710,600 km (0.109 R)
• M11: 6,654,712 km (0.114 R)
• M12: 7,184,887 km (0.1 R)
• M13: 8,562,384 km (0.094 R)
• M14: 10,806,950 km (0.105 R)
• M15: 11,946,138 km (0.116 R)
• M16: 15,002,422 km (0.033 R)
• M17: 17,306,678 km (0.087 R)
• M18: 18,150,410 km (0.116 R)
• M19: 19,263,419 km (0.108 R)
• M20: 21,103,323 km (0.114 R)
• M21: 23,796,533 km (0.098 R)
• M22: 25,517,806 km (0.086 R)
• M23: 26,811,379 km (0.107 R)
• M24: 27,939,646 km (0.111 R)
• M25: 28,886,002 km (0.104 R)
• M26: 33,234,813 km (0.117 R)
• M27: 43,620,794 km (0.089 R)
• M28: 44,183,282 km (0.11 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: 172 - 12,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit