🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.7

Radius: 14.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.5 AU - 0.76 AU

Year: 345 Days

Day: 7.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,289,200 km

• M1: 176,525 km (0.11 R)
• M2: 776,413 km (0.098 R)
• M3: 1,253,331 km (0.09 R)
• M4: 1,756,279 km (0.104 R)
• M5: 2,431,414 km (0.115 R)
• M6: 2,943,338 km (0.072 R)
• M7: 3,527,368 km (0.038 R)
• M8: 4,486,291 km (0.11 R)
• M9: 5,035,315 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.6

Radius: 13.2

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.94 AU - 1.22 AU

Year: 775 Days

Day: 7.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,289,200 km

• M1: 164,109 km (0.119 R)
• M2: 587,172 km (0.105 R)
• M3: 1,012,778 km (0.09 R)
• M4: 1,489,995 km (0.1 R)
• M5: 1,927,868 km (0.115 R)
• M6: 2,633,371 km (0.109 R)
• M7: 3,477,253 km (0.079 R)
• M8: 4,214,920 km (0.079 R)
• M9: 5,202,116 km (0.072 R)
• M10: 6,003,363 km (0.117 R)
• M11: 6,795,633 km (0.078 R)
• M12: 8,800,244 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 13.4

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.98 AU - 1.18 AU

Year: 775 Days

Day: 11.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,289,200 km

• M1: 166,652 km (0.077 R)
• M2: 583,880 km (0.109 R)
• M3: 1,058,555 km (0.056 R)
• M4: 1,476,830 km (0.091 R)
• M5: 2,016,878 km (0.081 R)
• M6: 2,467,617 km (0.107 R)
• M7: 3,039,679 km (0.076 R)
• M8: 4,150,743 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.1

Radius: 11.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.86 AU - 1.43 AU

Year: 840 Days

Day: 9.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,289,200 km

• M1: 147,952 km (0.113 R)
• M2: 660,475 km (0.107 R)
• M3: 1,043,146 km (0.118 R)
• M4: 1,466,358 km (0.079 R)
• M5: 1,869,225 km (0.105 R)
• M6: 3,151,130 km (0.056 R)
• M7: 3,973,319 km (0.092 R)
• M8: 4,382,320 km (0.068 R)
• M9: 5,873,960 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.1

Radius: 9.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.14 AU - 1.66 AU

Year: 1143 Days

Day: 14 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,289,200 km

• M1: 114,442 km (0.079 R)
• M2: 421,716 km (0.083 R)
• M3: 723,904 km (0.077 R)
• M4: 1,052,870 km (0.097 R)
• M5: 1,373,308 km (0.087 R)
• M6: 1,940,733 km (0.088 R)
• M7: 2,573,233 km (0.103 R)
• M8: 2,887,089 km (0.071 R)
• M9: 3,250,762 km (0.089 R)
• M10: 4,438,569 km (0.091 R)
• M11: 4,844,278 km (0.095 R)
• M12: 5,325,684 km (0.098 R)
• M13: 5,949,059 km (0.098 R)
• M14: 6,403,986 km (0.085 R)
• M15: 6,841,260 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 9

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.71 AU - 2.15 AU

Year: 1851 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,289,200 km

• M1: 111,899 km (0.076 R)
• M2: 537,954 km (0.117 R)
• M3: 940,522 km (0.101 R)
• M4: 1,270,684 km (0.055 R)
• M5: 1,559,259 km (0.054 R)
• M6: 1,993,990 km (0.059 R)
• M7: 2,323,405 km (0.108 R)
• M8: 2,804,511 km (0.034 R)
• M9: 3,252,407 km (0.114 R)
• M10: 3,641,063 km (0.106 R)
• M11: 4,155,978 km (0.062 R)
• M12: 4,532,367 km (0.106 R)
• M13: 4,866,868 km (0.105 R)
• M14: 5,515,374 km (0.1 R)
• M15: 5,848,678 km (0.077 R)
• M16: 6,144,882 km (0.097 R)
• M17: 6,902,446 km (0.115 R)
• M18: 7,460,296 km (0.078 R)
• M19: 8,230,127 km (0.038 R)
• M20: 8,634,490 km (0.111 R)
• M21: 9,216,126 km (0.078 R)
• M22: 10,102,045 km (0.043 R)
• M23: 11,885,252 km (0.099 R)
• M24: 12,564,276 km (0.043 R)
• M25: 14,219,726 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 8.6

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.88 AU - 4.54 AU

Year: 5963 Days

Day: 5.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,289,200 km

• M1: 106,962 km (0.098 R)
• M2: 413,638 km (0.073 R)
• M3: 973,433 km (0.106 R)
• M4: 1,241,812 km (0.116 R)
• M5: 1,573,321 km (0.062 R)
• M6: 2,071,033 km (0.113 R)
• M7: 2,560,068 km (0.113 R)
• M8: 3,514,503 km (0.106 R)
• M9: 3,840,327 km (0.068 R)
• M10: 5,201,967 km (0.098 R)
• M11: 5,657,492 km (0.104 R)
• M12: 7,483,334 km (0.091 R)
• M13: 7,750,815 km (0.107 R)
• M14: 8,305,075 km (0.108 R)
• M15: 9,272,824 km (0.097 R)
• M16: 9,852,067 km (0.11 R)
• M17: 12,572,654 km (0.104 R)
• M18: 12,951,436 km (0.071 R)
• M19: 13,846,031 km (0.089 R)
• M20: 14,308,438 km (0.092 R)
• M21: 16,453,671 km (0.108 R)
• M22: 17,839,097 km (0.12 R)
• M23: 21,678,527 km (0.061 R)
• M24: 22,698,186 km (0.09 R)
• M25: 24,328,653 km (0.081 R)
• M26: 26,123,229 km (0.086 R)
• M27: 28,187,979 km (0.11 R)
• M28: 29,878,136 km (0.082 R)
• M29: 36,763,378 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.4

Radius: 5.6

Gravity: 21.98 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.11 AU - 8.55 AU

Year: 15124 Days

Day: 19.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,289,200 km

• M1: 70,012 km (0.12 R)
• M2: 291,716 km (0.072 R)
• M3: 483,052 km (0.086 R)
• M4: 809,175 km (0.105 R)
• M5: 1,155,344 km (0.081 R)
• M6: 2,734,051 km (0.099 R)
• M7: 2,946,031 km (0.084 R)
• M8: 6,303,755 km (0.101 R)
• M9: 7,553,047 km (0.113 R)
• M10: 10,191,355 km (0.119 R)
• M11: 10,645,235 km (0.067 R)
• M12: 11,231,659 km (0.087 R)
• M13: 11,532,649 km (0.075 R)
• M14: 12,856,591 km (0.034 R)
• M15: 13,119,733 km (0.117 R)
• M16: 16,410,288 km (0.073 R)
• M17: 18,494,037 km (0.091 R)
• M18: 19,169,022 km (0.075 R)
• M19: 19,512,649 km (0.079 R)
• M20: 20,747,729 km (0.073 R)
• M21: 25,069,611 km (0.05 R)
• M22: 26,210,594 km (0.095 R)
• M23: 26,954,395 km (0.103 R)
• M24: 31,834,876 km (0.116 R)
• M25: 32,075,279 km (0.11 R)
• M26: 35,054,521 km (0.075 R)
• M27: 45,241,089 km (0.075 R)
• M28: 48,817,974 km (0.099 R)
• M29: 51,414,395 km (0.116 R)
• M30: 57,947,034 km (0.109 R)
• M31: 61,040,569 km (0.09 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: 159 - 15,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit