🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.3

Radius: 14.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.62 AU - 0.76 AU

Year: 376 Days

Day: 14 Hours

Environment

Temp: -138 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,748,661 km

• M1: 176,825 km (0.032 R)
• M2: 652,247 km (0.029 R)
• M3: 1,110,615 km (0.115 R)
• M4: 1,612,366 km (0.094 R)
• M5: 2,301,563 km (0.107 R)
• M6: 2,983,430 km (0.072 R)
• M7: 4,019,844 km (0.119 R)
• M8: 4,505,140 km (0.084 R)
• M9: 5,118,641 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.9

Radius: 12.7

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.2 AU - 1.6 AU

Year: 1087 Days

Day: 10.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,748,661 km

• M1: 157,975 km (0.114 R)
• M2: 721,660 km (0.097 R)
• M3: 1,181,075 km (0.105 R)
• M4: 1,773,333 km (0.103 R)
• M5: 3,011,854 km (0.099 R)
• M6: 4,236,612 km (0.11 R)
• M7: 4,686,602 km (0.092 R)
• M8: 5,350,368 km (0.104 R)
• M9: 5,769,391 km (0.106 R)
• M10: 7,935,419 km (0.108 R)
• M11: 9,171,546 km (0.051 R)
• M12: 9,590,719 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828

Radius: 13.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.22 AU - 1.9 AU

Year: 1278 Days

Day: 10.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,748,661 km

• M1: 171,589 km (0.107 R)
• M2: 622,776 km (0.067 R)
• M3: 1,167,013 km (0.073 R)
• M4: 2,042,759 km (0.114 R)
• M5: 2,526,858 km (0.101 R)
• M6: 3,218,598 km (0.079 R)
• M7: 4,463,402 km (0.09 R)
• M8: 5,144,970 km (0.081 R)
• M9: 6,403,387 km (0.099 R)
• M10: 7,561,275 km (0.081 R)
• M11: 8,134,384 km (0.057 R)
• M12: 8,648,552 km (0.071 R)
• M13: 9,367,819 km (0.05 R)
• M14: 9,805,692 km (0.068 R)
• M15: 11,271,900 km (0.054 R)
• M16: 12,352,296 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.5

Radius: 13

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.81 AU - 2.13 AU

Year: 1814 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,748,661 km

• M1: 162,613 km (0.102 R)
• M2: 576,700 km (0.097 R)
• M3: 1,360,593 km (0.097 R)
• M4: 2,209,561 km (0.026 R)
• M5: 2,987,170 km (0.096 R)
• M6: 4,091,801 km (0.107 R)
• M7: 5,340,943 km (0.119 R)
• M8: 5,894,605 km (0.093 R)
• M9: 6,571,236 km (0.111 R)
• M10: 7,437,109 km (0.116 R)
• M11: 7,982,542 km (0.082 R)
• M12: 8,708,391 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.7

Radius: 3.4

Gravity: 48.33 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.95 AU - 8.59 AU

Year: 14208 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,748,661 km

• M1: 46,824 km (0.085 R)
• M2: 194,178 km (0.112 R)
• M3: 628,311 km (0.09 R)
• M4: 776,263 km (0.056 R)
• M5: 980,165 km (0.071 R)
• M6: 1,106,725 km (0.103 R)
• M7: 1,421,629 km (0.057 R)
• M8: 1,826,889 km (0.088 R)
• M9: 2,659,102 km (0.086 R)
• M10: 2,977,446 km (0.071 R)
• M11: 3,997,704 km (0.104 R)
• M12: 4,476,567 km (0.103 R)
• M13: 4,992,829 km (0.119 R)
• M14: 5,476,030 km (0.063 R)
• M15: 6,297,173 km (0.06 R)
• M16: 6,737,140 km (0.078 R)
• M17: 7,069,846 km (0.096 R)
• M18: 8,606,366 km (0.119 R)
• M19: 9,350,017 km (0.045 R)
• M20: 9,607,026 km (0.092 R)
• M21: 10,297,569 km (0.077 R)
• M22: 11,192,165 km (0.071 R)
• M23: 13,521,852 km (0.111 R)
• M24: 13,784,397 km (0.05 R)
• M25: 15,219,040 km (0.066 R)
• M26: 19,776,390 km (0.081 R)
• M27: 23,428,971 km (0.094 R)
• M28: 28,033,893 km (0.118 R)
• M29: 41,825,769 km (0.055 R)
• M30: 45,829,756 km (0.084 R)
• M31: 47,018,910 km (0.11 R)
• M32: 47,319,452 km (0.11 R)
• M33: 50,081,777 km (0.104 R)
• M34: 52,303,006 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.9

Radius: 7.1

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.51 AU - 8.43 AU

Year: 14760 Days

Day: 20 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,748,661 km

• M1: 88,263 km (0.116 R)
• M2: 311,612 km (0.055 R)
• M3: 683,812 km (0.087 R)
• M4: 2,621,254 km (0.072 R)
• M5: 5,313,567 km (0.066 R)
• M6: 5,611,416 km (0.029 R)
• M7: 6,872,077 km (0.081 R)
• M8: 7,499,341 km (0.049 R)
• M9: 9,340,442 km (0.11 R)
• M10: 10,509,550 km (0.119 R)
• M11: 12,934,531 km (0.092 R)
• M12: 13,819,403 km (0.108 R)
• M13: 15,110,283 km (0.073 R)
• M14: 17,600,638 km (0.108 R)
• M15: 19,028,999 km (0.077 R)
• M16: 19,375,916 km (0.074 R)
• M17: 19,727,172 km (0.104 R)
• M18: 20,261,835 km (0.091 R)
• M19: 21,082,080 km (0.085 R)
• M20: 21,641,127 km (0.106 R)
• M21: 22,019,161 km (0.083 R)
• M22: 26,798,215 km (0.09 R)
• M23: 30,420,278 km (0.109 R)
• M24: 31,014,331 km (0.09 R)
• M25: 32,966,883 km (0.054 R)
• M26: 43,369,320 km (0.093 R)
• M27: 44,882,503 km (0.06 R)
• M28: 48,818,872 km (0.117 R)
• M29: 50,787,580 km (0.107 R)
• M30: 51,120,734 km (0.052 R)
• M31: 55,762,606 km (0.071 R)
• M32: 60,117,700 km (0.026 R)
• M33: 60,864,941 km (0.103 R)
• M34: 65,085,994 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.5

Radius: 5.6

Gravity: 25.56 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.16 AU - 10.28 AU

Year: 18366 Days

Day: 16.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,748,661 km

• M1: 70,760 km (0.097 R)
• M2: 800,947 km (0.119 R)
• M3: 1,115,851 km (0.07 R)
• M4: 2,052,333 km (0.101 R)
• M5: 2,764,718 km (0.102 R)
• M6: 3,017,987 km (0.077 R)
• M7: 3,398,564 km (0.111 R)
• M8: 4,321,434 km (0.089 R)
• M9: 5,247,445 km (0.045 R)
• M10: 6,298,968 km (0.116 R)
• M11: 7,727,927 km (0.111 R)
• M12: 8,129,148 km (0.109 R)
• M13: 9,529,534 km (0.062 R)
• M14: 10,527,651 km (0.101 R)
• M15: 19,083,153 km (0.109 R)
• M16: 21,531,771 km (0.078 R)
• M17: 23,448,120 km (0.083 R)
• M18: 25,365,815 km (0.088 R)
• M19: 27,270,645 km (0.076 R)
• M20: 28,081,914 km (0.103 R)
• M21: 29,874,545 km (0.073 R)
• M22: 31,236,634 km (0.081 R)
• M23: 35,025,050 km (0.072 R)
• M24: 39,695,645 km (0.093 R)
• M25: 45,893,036 km (0.096 R)
• M26: 50,249,027 km (0.058 R)
• M27: 52,883,296 km (0.072 R)
• M28: 69,353,722 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 19,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit