🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.1

Radius: 12.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.85 AU - 1.03 AU

Year: 598 Days

Day: 5.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,678,190 km

• M1: 156,779 km (0.093 R)
• M2: 581,487 km (0.105 R)
• M3: 1,624,334 km (0.107 R)
• M4: 2,115,015 km (0.116 R)
• M5: 2,597,468 km (0.119 R)
• M6: 3,713,019 km (0.029 R)
• M7: 4,215,967 km (0.05 R)
• M8: 4,706,050 km (0.092 R)
• M9: 5,407,813 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 10.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.71 AU - 1.19 AU

Year: 607 Days

Day: 10 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,678,190 km

• M1: 129,402 km (0.063 R)
• M2: 903,721 km (0.069 R)
• M3: 1,291,478 km (0.095 R)
• M4: 1,630,617 km (0.104 R)
• M5: 1,970,503 km (0.081 R)
• M6: 2,565,603 km (0.08 R)
• M7: 3,474,111 km (0.12 R)
• M8: 3,975,115 km (0.064 R)
• M9: 4,433,782 km (0.098 R)
• M10: 5,008,088 km (0.06 R)
• M11: 5,338,699 km (0.103 R)
• M12: 6,438,692 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.1

Radius: 12.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.87 AU - 1.17 AU

Year: 676 Days

Day: 13.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,678,190 km

• M1: 155,432 km (0.056 R)
• M2: 563,535 km (0.096 R)
• M3: 1,252,583 km (0.095 R)
• M4: 1,703,621 km (0.115 R)
• M5: 2,121,597 km (0.076 R)
• M6: 2,548,849 km (0.089 R)
• M7: 3,205,284 km (0.091 R)
• M8: 3,917,968 km (0.118 R)
• M9: 4,334,150 km (0.105 R)
• M10: 5,322,243 km (0.098 R)
• M11: 5,958,782 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.3

Radius: 8.9

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.37 AU - 2.05 AU

Year: 1467 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,678,190 km

• M1: 121,473 km (0.081 R)
• M2: 510,428 km (0.118 R)
• M3: 1,055,712 km (0.091 R)
• M4: 2,132,368 km (0.108 R)
• M5: 2,446,673 km (0.05 R)
• M6: 2,736,743 km (0.048 R)
• M7: 3,049,852 km (0.063 R)
• M8: 3,434,767 km (0.117 R)
• M9: 4,808,076 km (0.119 R)
• M10: 6,367,783 km (0.1 R)
• M11: 8,356,387 km (0.113 R)
• M12: 8,927,253 km (0.082 R)
• M13: 9,848,477 km (0.118 R)
• M14: 11,916,368 km (0.099 R)
• M15: 12,678,569 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 8.4

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.52 AU - 2.06 AU

Year: 1571 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,678,190 km

• M1: 104,419 km (0.08 R)
• M2: 370,255 km (0.09 R)
• M3: 650,601 km (0.117 R)
• M4: 1,259,165 km (0.068 R)
• M5: 1,670,410 km (0.076 R)
• M6: 2,514,291 km (0.063 R)
• M7: 2,910,427 km (0.118 R)
• M8: 3,315,238 km (0.092 R)
• M9: 3,846,460 km (0.073 R)
• M10: 4,717,270 km (0.08 R)
• M11: 5,013,473 km (0.105 R)
• M12: 5,299,505 km (0.08 R)
• M13: 6,274,284 km (0.074 R)
• M14: 6,817,624 km (0.106 R)
• M15: 7,169,478 km (0.114 R)
• M16: 8,794,111 km (0.082 R)
• M17: 10,977,342 km (0.074 R)
• M18: 12,037,393 km (0.062 R)
• M19: 12,312,802 km (0.048 R)
• M20: 13,838,850 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 13.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.83 AU - 1.97 AU

Year: 1718 Days

Day: 11 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,678,190 km

• M1: 172,935 km (0.079 R)
• M2: 623,374 km (0.103 R)
• M3: 1,190,500 km (0.114 R)
• M4: 1,966,165 km (0.075 R)
• M5: 2,644,142 km (0.109 R)
• M6: 3,262,730 km (0.09 R)
• M7: 4,272,964 km (0.079 R)
• M8: 4,716,522 km (0.079 R)
• M9: 5,211,541 km (0.106 R)
• M10: 5,895,802 km (0.079 R)
• M11: 8,229,977 km (0.072 R)
• M12: 8,715,572 km (0.102 R)
• M13: 10,419,492 km (0.069 R)
• M14: 10,988,562 km (0.118 R)
• M15: 11,472,810 km (0.03 R)
• M16: 12,079,878 km (0.039 R)
• M17: 12,670,790 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.8

Radius: 12.7

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.93 AU - 1.95 AU

Year: 1773 Days

Day: 12.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,678,190 km

• M1: 157,975 km (0.065 R)
• M2: 765,792 km (0.051 R)
• M3: 1,163,423 km (0.118 R)
• M4: 2,077,316 km (0.088 R)
• M5: 2,518,779 km (0.059 R)
• M6: 3,007,665 km (0.098 R)
• M7: 3,424,146 km (0.1 R)
• M8: 4,535,658 km (0.109 R)
• M9: 5,265,097 km (0.044 R)
• M10: 6,985,772 km (0.068 R)
• M11: 7,811,103 km (0.109 R)
• M12: 8,417,423 km (0.066 R)
• M13: 8,828,219 km (0.08 R)
• M14: 10,036,372 km (0.078 R)
• M15: 11,814,941 km (0.099 R)
• M16: 12,250,570 km (0.09 R)
• M17: 14,864,344 km (0.073 R)
• M18: 15,279,179 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 12.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.5 AU - 6.28 AU

Year: 8209 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,678,190 km

• M1: 154,235 km (0.083 R)
• M2: 584,928 km (0.104 R)
• M3: 1,086,529 km (0.083 R)
• M4: 2,735,696 km (0.05 R)
• M5: 3,768,370 km (0.082 R)
• M6: 4,360,928 km (0.097 R)
• M7: 5,508,044 km (0.062 R)
• M8: 6,995,346 km (0.059 R)
• M9: 7,572,644 km (0.118 R)
• M10: 8,648,702 km (0.106 R)
• M11: 9,451,444 km (0.103 R)
• M12: 10,061,654 km (0.089 R)
• M13: 10,848,688 km (0.078 R)
• M14: 12,214,666 km (0.115 R)
• M15: 16,326,064 km (0.107 R)
• M16: 19,957,702 km (0.104 R)
• M17: 24,356,029 km (0.107 R)
• M18: 26,411,654 km (0.105 R)
• M19: 27,246,559 km (0.11 R)
• M20: 29,460,458 km (0.074 R)
• M21: 35,908,725 km (0.113 R)
• M22: 37,048,511 km (0.082 R)
• M23: 37,511,217 km (0.102 R)
• M24: 38,094,948 km (0.095 R)
• M25: 39,400,339 km (0.113 R)
• M26: 40,735,351 km (0.11 R)
• M27: 41,352,143 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.2

Radius: 7.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.18 AU - 9.26 AU

Year: 14071 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 24,678,190 km

• M1: 93,349 km (0.052 R)
• M2: 403,765 km (0.101 R)
• M3: 681,867 km (0.067 R)
• M4: 1,110,465 km (0.105 R)
• M5: 1,374,655 km (0.086 R)
• M6: 2,397,455 km (0.09 R)
• M7: 2,924,339 km (0.085 R)
• M8: 3,258,840 km (0.111 R)
• M9: 5,268,987 km (0.092 R)
• M10: 5,797,516 km (0.12 R)
• M11: 6,124,686 km (0.116 R)
• M12: 7,106,647 km (0.111 R)
• M13: 7,519,836 km (0.111 R)
• M14: 7,830,401 km (0.066 R)
• M15: 8,271,266 km (0.055 R)
• M16: 10,631,173 km (0.082 R)
• M17: 11,627,794 km (0.117 R)
• M18: 11,886,448 km (0.081 R)
• M19: 12,468,833 km (0.065 R)
• M20: 14,389,969 km (0.114 R)
• M21: 14,869,131 km (0.084 R)
• M22: 18,247,051 km (0.102 R)
• M23: 19,309,196 km (0.094 R)
• M24: 19,672,120 km (0.114 R)
• M25: 20,864,415 km (0.117 R)
• M26: 21,169,894 km (0.086 R)
• M27: 24,814,996 km (0.114 R)
• M28: 30,102,832 km (0.088 R)
• M29: 33,946,599 km (0.076 R)
• M30: 37,203,046 km (0.101 R)
• M31: 37,539,790 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.6

Radius: 3.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.02 AU - 9.02 AU

Year: 17771 Days

Day: 18.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,678,190 km

• M1: 53,556 km (0.077 R)
• M2: 231,877 km (0.029 R)
• M3: 371,452 km (0.096 R)
• M4: 784,491 km (0.06 R)
• M5: 1,261,260 km (0.034 R)
• M6: 1,405,921 km (0.118 R)
• M7: 2,043,507 km (0.082 R)
• M8: 2,767,860 km (0.112 R)
• M9: 4,510,376 km (0.102 R)
• M10: 4,925,061 km (0.064 R)
• M11: 5,690,254 km (0.04 R)
• M12: 8,565,824 km (0.084 R)
• M13: 9,085,976 km (0.086 R)
• M14: 12,005,828 km (0.066 R)
• M15: 14,959,637 km (0.094 R)
• M16: 16,660,266 km (0.092 R)
• M17: 18,062,148 km (0.114 R)
• M18: 19,288,850 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 12,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit