🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 12.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.72 AU - 0.92 AU

Year: 495 Days

Day: 11.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,162,278 km

• M1: 155,432 km (0.087 R)
• M2: 550,520 km (0.08 R)
• M3: 999,314 km (0.062 R)
• M4: 1,766,452 km (0.1 R)
• M5: 2,259,676 km (0.099 R)
• M6: 3,003,476 km (0.085 R)
• M7: 3,409,784 km (0.085 R)
• M8: 4,978,019 km (0.115 R)
• M9: 5,701,175 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512

Radius: 10.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.09 AU - 1.67 AU

Year: 1081 Days

Day: 5.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,162,278 km

• M1: 134,339 km (0.104 R)
• M2: 559,047 km (0.092 R)
• M3: 1,336,956 km (0.087 R)
• M4: 1,772,136 km (0.095 R)
• M5: 2,175,153 km (0.107 R)
• M6: 2,615,719 km (0.116 R)
• M7: 3,708,531 km (0.111 R)
• M8: 4,375,139 km (0.084 R)
• M9: 7,816,040 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 9.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.29 AU - 1.61 AU

Year: 1164 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,162,278 km

• M1: 114,442 km (0.057 R)
• M2: 472,131 km (0.117 R)
• M3: 762,052 km (0.063 R)
• M4: 1,234,781 km (0.058 R)
• M5: 1,706,463 km (0.063 R)
• M6: 2,116,810 km (0.097 R)
• M7: 2,855,973 km (0.057 R)
• M8: 3,397,816 km (0.118 R)
• M9: 4,142,963 km (0.04 R)
• M10: 4,554,507 km (0.077 R)
• M11: 5,028,134 km (0.111 R)
• M12: 5,994,536 km (0.097 R)
• M13: 6,315,573 km (0.11 R)
• M14: 6,883,447 km (0.119 R)
• M15: 7,370,986 km (0.082 R)
• M16: 8,242,843 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.8

Radius: 8.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.63 AU - 1.69 AU

Year: 1426 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 175.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,162,278 km

• M1: 109,506 km (0.107 R)
• M2: 446,400 km (0.113 R)
• M3: 729,888 km (0.112 R)
• M4: 1,345,483 km (0.094 R)
• M5: 1,681,031 km (0.091 R)
• M6: 2,240,976 km (0.083 R)
• M7: 2,704,730 km (0.086 R)
• M8: 3,120,612 km (0.068 R)
• M9: 4,031,962 km (0.116 R)
• M10: 4,737,914 km (0.077 R)
• M11: 5,034,716 km (0.045 R)
• M12: 5,363,832 km (0.092 R)
• M13: 6,043,904 km (0.101 R)
• M14: 7,014,943 km (0.043 R)
• M15: 8,430,887 km (0.063 R)
• M16: 9,436,334 km (0.056 R)
• M17: 10,488,307 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 11.6

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.47 AU - 3.81 AU

Year: 3710 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,162,278 km

• M1: 144,362 km (0.051 R)
• M2: 573,857 km (0.092 R)
• M3: 1,281,904 km (0.085 R)
• M4: 1,847,534 km (0.112 R)
• M5: 2,337,168 km (0.095 R)
• M6: 4,644,266 km (0.108 R)
• M7: 5,402,278 km (0.118 R)
• M8: 6,736,691 km (0.096 R)
• M9: 8,418,022 km (0.107 R)
• M10: 10,484,268 km (0.059 R)
• M11: 11,186,181 km (0.117 R)
• M12: 11,700,349 km (0.076 R)
• M13: 13,673,545 km (0.088 R)
• M14: 15,593,932 km (0.092 R)
• M15: 16,784,731 km (0.07 R)
• M16: 17,918,983 km (0.075 R)
• M17: 18,504,808 km (0.117 R)
• M18: 19,776,988 km (0.067 R)
• M19: 20,977,361 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.7

Radius: 14.4

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.34 AU - 5.24 AU

Year: 6991 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,162,278 km

• M1: 179,517 km (0.099 R)
• M2: 715,975 km (0.111 R)
• M3: 1,832,424 km (0.086 R)
• M4: 4,938,375 km (0.093 R)
• M5: 5,838,057 km (0.104 R)
• M6: 8,484,892 km (0.089 R)
• M7: 10,003,460 km (0.094 R)
• M8: 10,659,297 km (0.088 R)
• M9: 12,372,043 km (0.095 R)
• M10: 13,517,813 km (0.104 R)
• M11: 15,093,528 km (0.063 R)
• M12: 16,273,705 km (0.111 R)
• M13: 19,745,872 km (0.107 R)
• M14: 20,779,443 km (0.091 R)
• M15: 21,771,128 km (0.09 R)
• M16: 22,634,756 km (0.101 R)
• M17: 23,520,974 km (0.102 R)
• M18: 27,029,642 km (0.082 R)
• M19: 29,238,006 km (0.12 R)
• M20: 29,904,166 km (0.099 R)
• M21: 35,388,573 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.6

Radius: 5.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.84 AU - 7.16 AU

Year: 9801 Days

Day: 18.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,162,278 km

• M1: 71,508 km (0.096 R)
• M2: 289,322 km (0.103 R)
• M3: 621,729 km (0.069 R)
• M4: 1,232,387 km (0.09 R)
• M5: 1,993,840 km (0.061 R)
• M6: 4,500,054 km (0.09 R)
• M7: 6,561,063 km (0.103 R)
• M8: 17,732,135 km (0.114 R)
• M9: 20,285,471 km (0.117 R)
• M10: 21,167,052 km (0.119 R)
• M11: 21,359,135 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.1

Radius: 4.6

Gravity: 19 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.32 AU - 7.34 AU

Year: 10620 Days

Day: 22.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 69 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,162,278 km

• M1: 57,296 km (0.085 R)
• M2: 251,474 km (0.098 R)
• M3: 1,012,927 km (0.083 R)
• M4: 1,907,971 km (0.12 R)
• M5: 2,119,503 km (0.073 R)
• M6: 2,274,935 km (0.106 R)
• M7: 3,214,858 km (0.073 R)
• M8: 3,562,823 km (0.075 R)
• M9: 4,935,533 km (0.077 R)
• M10: 7,824,118 km (0.094 R)
• M11: 10,390,171 km (0.082 R)
• M12: 12,106,058 km (0.09 R)
• M13: 12,381,617 km (0.109 R)
• M14: 12,717,764 km (0.112 R)
• M15: 14,123,236 km (0.043 R)
• M16: 14,738,233 km (0.112 R)
• M17: 14,926,277 km (0.074 R)
• M18: 15,306,854 km (0.053 R)
• M19: 15,955,810 km (0.089 R)
• M20: 17,377,737 km (0.106 R)
• M21: 18,589,031 km (0.093 R)
• M22: 18,881,944 km (0.044 R)
• M23: 22,976,139 km (0.088 R)
• M24: 31,186,219 km (0.114 R)
• M25: 33,831,858 km (0.049 R)
• M26: 38,725,653 km (0.114 R)
• M27: 40,660,701 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.5

Radius: 8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.94 AU - 8.38 AU

Year: 14138 Days

Day: 21.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,162,278 km

• M1: 112,498 km (0.114 R)
• M2: 398,678 km (0.109 R)
• M3: 768,484 km (0.066 R)
• M4: 1,452,745 km (0.031 R)
• M5: 2,552,289 km (0.031 R)
• M6: 7,403,449 km (0.092 R)
• M7: 8,907,356 km (0.107 R)
• M8: 9,337,301 km (0.071 R)
• M9: 10,033,529 km (0.119 R)
• M10: 11,196,952 km (0.065 R)
• M11: 12,097,830 km (0.099 R)
• M12: 17,265,539 km (0.075 R)
• M13: 17,634,896 km (0.075 R)
• M14: 18,930,563 km (0.045 R)
• M15: 23,556,429 km (0.113 R)
• M16: 27,060,160 km (0.087 R)
• M17: 30,357,896 km (0.094 R)
• M18: 41,709,083 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.5

Radius: 5.9

Gravity: 23.17 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.41 AU - 9.93 AU

Year: 17024 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 106.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,162,278 km

• M1: 74,051 km (0.053 R)
• M2: 415,134 km (0.107 R)
• M3: 650,152 km (0.107 R)
• M4: 1,057,507 km (0.074 R)
• M5: 2,179,641 km (0.091 R)
• M6: 4,618,236 km (0.075 R)
• M7: 8,045,822 km (0.095 R)
• M8: 11,615,078 km (0.092 R)
• M9: 13,494,177 km (0.079 R)
• M10: 15,958,054 km (0.034 R)
• M11: 17,673,193 km (0.117 R)
• M12: 18,706,615 km (0.047 R)
• M13: 20,704,645 km (0.07 R)
• M14: 26,313,368 km (0.115 R)
• M15: 29,522,990 km (0.11 R)
• M16: 30,485,952 km (0.088 R)
• M17: 36,295,136 km (0.069 R)
• M18: 42,800,699 km (0.101 R)
• M19: 43,877,803 km (0.051 R)
• M20: 64,854,716 km (0.098 R)
• M21: 65,460,887 km (0.05 R)
• M22: 70,021,228 km (0.09 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 17,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit