🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 12.4

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.49 AU - 0.67 AU

Year: 305 Days

Day: 6.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,501,024 km

• M1: 154,235 km (0.062 R)
• M2: 695,331 km (0.079 R)
• M3: 1,084,585 km (0.066 R)
• M4: 1,475,035 km (0.094 R)
• M5: 2,053,231 km (0.051 R)
• M6: 2,510,851 km (0.106 R)
• M7: 3,047,009 km (0.099 R)
• M8: 3,566,563 km (0.109 R)
• M9: 4,632,747 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.8

Radius: 8.5

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 13.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,501,024 km

• M1: 105,766 km (0.03 R)
• M2: 379,530 km (0.111 R)
• M3: 667,655 km (0.118 R)
• M4: 936,931 km (0.076 R)
• M5: 1,264,700 km (0.109 R)
• M6: 1,622,688 km (0.038 R)
• M7: 1,942,379 km (0.087 R)
• M8: 2,766,813 km (0.094 R)
• M9: 3,609,797 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 14.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.63 AU - 0.63 AU

Year: 345 Days

Day: 8.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,501,024 km

• M1: 179,069 km (0.08 R)
• M2: 701,614 km (0.108 R)
• M3: 1,236,277 km (0.028 R)
• M4: 1,710,652 km (0.106 R)
• M5: 2,163,634 km (0.099 R)
• M6: 2,708,021 km (0.09 R)
• M7: 3,197,954 km (0.12 R)
• M8: 3,710,476 km (0.115 R)
• M9: 4,291,514 km (0.112 R)
• M10: 4,843,829 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.7

Radius: 11.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.73 AU - 0.95 AU

Year: 531 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,501,024 km

• M1: 140,472 km (0.097 R)
• M2: 516,113 km (0.089 R)
• M3: 1,071,121 km (0.065 R)
• M4: 1,592,619 km (0.111 R)
• M5: 2,373,370 km (0.094 R)
• M6: 3,454,514 km (0.106 R)
• M7: 4,183,504 km (0.064 R)
• M8: 4,668,351 km (0.095 R)
• M9: 5,804,098 km (0.034 R)
• M10: 6,239,578 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892

Radius: 13.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.47 AU - 2.15 AU

Year: 1681 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,501,024 km

• M1: 171,589 km (0.118 R)
• M2: 650,601 km (0.046 R)
• M3: 1,258,567 km (0.104 R)
• M4: 1,696,589 km (0.051 R)
• M5: 2,154,808 km (0.082 R)
• M6: 2,766,962 km (0.118 R)
• M7: 3,629,394 km (0.066 R)
• M8: 4,872,403 km (0.08 R)
• M9: 5,911,958 km (0.113 R)
• M10: 6,433,456 km (0.088 R)
• M11: 7,232,010 km (0.036 R)
• M12: 9,652,952 km (0.114 R)
• M13: 11,140,105 km (0.046 R)
• M14: 11,668,335 km (0.064 R)
• M15: 14,609,429 km (0.094 R)
• M16: 15,473,656 km (0.112 R)
• M17: 15,942,047 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.6

Radius: 12.8

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.73 AU - 2.03 AU

Year: 1779 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,501,024 km

• M1: 159,920 km (0.117 R)
• M2: 677,678 km (0.117 R)
• M3: 1,653,206 km (0.105 R)
• M4: 2,337,616 km (0.072 R)
• M5: 2,935,110 km (0.074 R)
• M6: 3,794,101 km (0.1 R)
• M7: 4,973,830 km (0.091 R)
• M8: 5,590,622 km (0.059 R)
• M9: 7,535,245 km (0.042 R)
• M10: 8,872,650 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.8

Radius: 12

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.83 AU - 2.07 AU

Year: 1880 Days

Day: 13.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,501,024 km

• M1: 149,299 km (0.057 R)
• M2: 744,698 km (0.075 R)
• M3: 1,147,266 km (0.084 R)
• M4: 1,608,028 km (0.028 R)
• M5: 1,996,982 km (0.041 R)
• M6: 3,155,318 km (0.113 R)
• M7: 3,628,347 km (0.032 R)
• M8: 4,219,408 km (0.115 R)
• M9: 6,504,216 km (0.056 R)
• M10: 7,776,845 km (0.117 R)
• M11: 8,879,681 km (0.074 R)
• M12: 10,809,942 km (0.112 R)
• M13: 12,403,010 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.6

Radius: 8.6

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.47 AU - 2.55 AU

Year: 2745 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,501,024 km

• M1: 107,262 km (0.107 R)
• M2: 468,690 km (0.103 R)
• M3: 771,626 km (0.117 R)
• M4: 1,041,500 km (0.112 R)
• M5: 1,580,202 km (0.075 R)
• M6: 1,889,272 km (0.099 R)
• M7: 2,336,270 km (0.069 R)
• M8: 2,740,184 km (0.087 R)
• M9: 3,278,886 km (0.115 R)
• M10: 3,688,784 km (0.031 R)
• M11: 5,030,976 km (0.06 R)
• M12: 6,789,350 km (0.089 R)
• M13: 7,240,088 km (0.082 R)
• M14: 7,839,527 km (0.039 R)
• M15: 8,403,511 km (0.109 R)
• M16: 8,852,753 km (0.111 R)
• M17: 9,724,310 km (0.105 R)
• M18: 10,651,967 km (0.115 R)
• M19: 13,646,916 km (0.078 R)
• M20: 16,139,217 km (0.071 R)
• M21: 16,618,079 km (0.101 R)
• M22: 17,492,629 km (0.114 R)
• M23: 17,997,821 km (0.12 R)
• M24: 18,570,631 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.3

Radius: 4.9

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.54 AU - 8.84 AU

Year: 13308 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,501,024 km

• M1: 202,107 km (0.09 R)
• M2: 762,800 km (0.111 R)
• M3: 940,522 km (0.094 R)
• M4: 1,179,280 km (0.119 R)
• M5: 1,885,532 km (0.086 R)
• M6: 2,411,368 km (0.086 R)
• M7: 2,819,621 km (0.07 R)
• M8: 3,387,195 km (0.1 R)
• M9: 3,873,238 km (0.066 R)
• M10: 4,658,777 km (0.093 R)
• M11: 8,609,507 km (0.116 R)
• M12: 9,603,735 km (0.107 R)
• M13: 10,422,633 km (0.039 R)
• M14: 12,198,210 km (0.059 R)
• M15: 12,363,965 km (0.091 R)
• M16: 14,472,248 km (0.109 R)
• M17: 14,908,325 km (0.086 R)
• M18: 16,740,451 km (0.066 R)
• M19: 17,220,809 km (0.101 R)
• M20: 20,609,500 km (0.12 R)
• M21: 21,240,803 km (0.113 R)
• M22: 22,376,700 km (0.118 R)
• M23: 23,127,980 km (0.11 R)
• M24: 23,982,184 km (0.096 R)
• M25: 27,231,749 km (0.071 R)
• M26: 34,587,776 km (0.101 R)
• M27: 38,717,724 km (0.034 R)
• M28: 39,799,317 km (0.096 R)
• M29: 41,771,465 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.6

Radius: 6.5

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.23 AU - 9.85 AU

Year: 18761 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,501,024 km

• M1: 83,625 km (0.112 R)
• M2: 522,545 km (0.106 R)
• M3: 1,204,263 km (0.111 R)
• M4: 1,456,335 km (0.114 R)
• M5: 1,864,887 km (0.066 R)
• M6: 2,106,188 km (0.109 R)
• M7: 2,629,482 km (0.101 R)
• M8: 3,261,982 km (0.076 R)
• M9: 3,642,259 km (0.028 R)
• M10: 5,067,478 km (0.077 R)
• M11: 5,923,776 km (0.044 R)
• M12: 6,490,154 km (0.031 R)
• M13: 8,063,624 km (0.064 R)
• M14: 10,211,401 km (0.114 R)
• M15: 12,845,072 km (0.11 R)
• M16: 14,639,797 km (0.042 R)
• M17: 16,516,951 km (0.096 R)
• M18: 16,910,842 km (0.119 R)
• M19: 17,391,650 km (0.116 R)
• M20: 18,464,716 km (0.09 R)
• M21: 20,380,017 km (0.098 R)
• M22: 21,108,110 km (0.051 R)
• M23: 21,759,309 km (0.065 R)
• M24: 22,423,973 km (0.099 R)
• M25: 23,004,263 km (0.12 R)
• M26: 23,396,658 km (0.106 R)
• M27: 25,635,091 km (0.108 R)
• M28: 28,798,787 km (0.073 R)
• M29: 31,485,714 km (0.093 R)
• M30: 42,421,767 km (0.112 R)
• M31: 42,716,176 km (0.117 R)
• M32: 43,308,883 km (0.082 R)
• M33: 46,355,743 km (0.11 R)
• M34: 48,250,699 km (0.07 R)
• M35: 52,025,951 km (0.052 R)
• M36: 53,384,000 km (0.115 R)
• M37: 57,239,885 km (0.087 R)
• M38: 59,052,413 km (0.069 R)
• M39: 59,603,532 km (0.114 R)
• M40: 62,031,505 km (0.03 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 17,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit