🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.9

Radius: 14.4

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.53 AU - 0.81 AU

Year: 379 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,901,614 km

• M1: 179,368 km (0.114 R)
• M2: 660,175 km (0.087 R)
• M3: 1,118,693 km (0.059 R)
• M4: 1,889,272 km (0.107 R)
• M5: 2,874,972 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23

Radius: 14.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1 AU - 1.08 AU

Year: 732 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,901,614 km

• M1: 175,329 km (0.117 R)
• M2: 752,627 km (0.074 R)
• M3: 1,560,605 km (0.114 R)
• M4: 2,243,968 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811

Radius: 14.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.27 AU - 1.29 AU

Year: 1000 Days

Day: 7.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,901,614 km

• M1: 181,612 km (0.106 R)
• M2: 752,477 km (0.086 R)
• M3: 1,213,388 km (0.072 R)
• M4: 2,287,950 km (0.112 R)
• M5: 2,918,654 km (0.091 R)
• M6: 4,604,772 km (0.118 R)
• M7: 5,618,896 km (0.117 R)
• M8: 6,731,007 km (0.097 R)
• M9: 9,102,282 km (0.073 R)
• M10: 9,893,206 km (0.115 R)
• M11: 10,383,289 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.4

Radius: 14.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.4 AU - 2.4 AU

Year: 2566 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,901,614 km

• M1: 177,872 km (0.099 R)
• M2: 632,051 km (0.061 R)
• M3: 1,194,988 km (0.025 R)
• M4: 1,683,574 km (0.119 R)
• M5: 3,118,816 km (0.047 R)
• M6: 4,301,238 km (0.072 R)
• M7: 5,333,613 km (0.114 R)
• M8: 5,921,981 km (0.095 R)
• M9: 6,639,303 km (0.088 R)
• M10: 7,109,040 km (0.098 R)
• M11: 7,727,478 km (0.076 R)
• M12: 8,348,160 km (0.118 R)
• M13: 9,468,797 km (0.073 R)
• M14: 10,887,135 km (0.111 R)
• M15: 12,137,623 km (0.079 R)
• M16: 18,915,604 km (0.116 R)
• M17: 19,864,204 km (0.053 R)
• M18: 20,906,602 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.6

Radius: 14.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.99 AU - 2.81 AU

Year: 2566 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,901,614 km

• M1: 176,675 km (0.088 R)
• M2: 822,190 km (0.041 R)
• M3: 1,389,764 km (0.082 R)
• M4: 1,984,565 km (0.074 R)
• M5: 3,699,705 km (0.083 R)
• M6: 4,690,342 km (0.111 R)
• M7: 5,549,483 km (0.103 R)
• M8: 6,995,496 km (0.072 R)
• M9: 8,853,501 km (0.038 R)
• M10: 9,509,937 km (0.091 R)
• M11: 11,021,474 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.1

Radius: 8.4

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.47 AU - 3.75 AU

Year: 3786 Days

Day: 12 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,901,614 km

• M1: 108,309 km (0.115 R)
• M2: 531,820 km (0.115 R)
• M3: 1,114,355 km (0.108 R)
• M4: 1,380,489 km (0.076 R)
• M5: 1,815,819 km (0.095 R)
• M6: 2,233,795 km (0.099 R)
• M7: 2,563,659 km (0.116 R)
• M8: 4,292,561 km (0.098 R)
• M9: 4,654,887 km (0.115 R)
• M10: 5,169,504 km (0.101 R)
• M11: 5,865,583 km (0.095 R)
• M12: 7,240,537 km (0.116 R)
• M13: 9,810,778 km (0.104 R)
• M14: 10,185,670 km (0.079 R)
• M15: 10,700,436 km (0.115 R)
• M16: 11,688,979 km (0.091 R)
• M17: 12,639,374 km (0.071 R)
• M18: 13,233,727 km (0.071 R)
• M19: 16,547,619 km (0.11 R)
• M20: 16,960,060 km (0.077 R)
• M21: 17,683,216 km (0.091 R)
• M22: 18,552,679 km (0.119 R)
• M23: 18,934,004 km (0.095 R)
• M24: 20,175,816 km (0.115 R)
• M25: 21,471,034 km (0.108 R)
• M26: 23,851,137 km (0.059 R)
• M27: 24,226,478 km (0.084 R)
• M28: 24,988,978 km (0.106 R)
• M29: 25,924,862 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804

Radius: 13.6

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.43 AU - 4.37 AU

Year: 5316 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,901,614 km

• M1: 169,195 km (0.058 R)
• M2: 901,626 km (0.113 R)
• M3: 1,683,874 km (0.099 R)
• M4: 3,058,678 km (0.079 R)
• M5: 5,000,907 km (0.068 R)
• M6: 5,631,612 km (0.034 R)
• M7: 10,321,954 km (0.085 R)
• M8: 11,251,405 km (0.103 R)
• M9: 13,117,340 km (0.102 R)
• M10: 20,228,923 km (0.107 R)
• M11: 23,995,199 km (0.116 R)
• M12: 25,791,570 km (0.049 R)
• M13: 30,955,539 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 9.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.38 AU - 5.04 AU

Year: 5963 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,901,614 km

• M1: 128,505 km (0.032 R)
• M2: 604,824 km (0.075 R)
• M3: 984,354 km (0.095 R)
• M4: 1,297,014 km (0.053 R)
• M5: 1,701,975 km (0.061 R)
• M6: 2,175,901 km (0.054 R)
• M7: 2,823,959 km (0.076 R)
• M8: 3,232,212 km (0.085 R)
• M9: 3,896,725 km (0.074 R)
• M10: 4,285,381 km (0.082 R)
• M11: 6,380,948 km (0.114 R)
• M12: 7,087,648 km (0.113 R)
• M13: 9,976,832 km (0.119 R)
• M14: 10,973,303 km (0.085 R)
• M15: 14,414,054 km (0.1 R)
• M16: 15,799,779 km (0.118 R)
• M17: 16,791,613 km (0.084 R)
• M18: 17,886,370 km (0.076 R)
• M19: 20,217,554 km (0.087 R)
• M20: 22,237,275 km (0.111 R)
• M21: 27,000,022 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.7

Radius: 3.4

Gravity: 84.84 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.64 AU - 9.02 AU

Year: 18111 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 36,901,614 km

• M1: 43,683 km (0.088 R)
• M2: 151,991 km (0.114 R)
• M3: 415,882 km (0.099 R)
• M4: 619,036 km (0.118 R)
• M5: 968,347 km (0.095 R)
• M6: 1,535,323 km (0.113 R)
• M7: 2,186,822 km (0.117 R)
• M8: 2,455,499 km (0.106 R)
• M9: 3,058,379 km (0.117 R)
• M10: 4,106,013 km (0.107 R)
• M11: 4,692,287 km (0.065 R)
• M12: 5,062,093 km (0.088 R)
• M13: 5,176,834 km (0.096 R)
• M14: 5,818,011 km (0.069 R)
• M15: 6,510,350 km (0.086 R)
• M16: 7,649,388 km (0.036 R)
• M17: 8,318,689 km (0.09 R)
• M18: 11,918,762 km (0.098 R)
• M19: 13,029,376 km (0.086 R)
• M20: 14,283,006 km (0.119 R)
• M21: 15,614,727 km (0.092 R)
• M22: 16,687,343 km (0.055 R)
• M23: 16,941,660 km (0.063 R)
• M24: 19,070,288 km (0.078 R)
• M25: 19,912,374 km (0.088 R)
• M26: 21,172,138 km (0.104 R)
• M27: 24,063,715 km (0.043 R)
• M28: 25,379,728 km (0.076 R)
• M29: 25,941,916 km (0.107 R)
• M30: 32,158,456 km (0.05 R)
• M31: 33,082,223 km (0.094 R)
• M32: 35,260,069 km (0.096 R)
• M33: 41,582,374 km (0.094 R)
• M34: 52,146,826 km (0.073 R)
• M35: 57,173,763 km (0.12 R)
• M36: 58,527,923 km (0.048 R)
• M37: 59,114,646 km (0.088 R)
• M38: 60,698,588 km (0.058 R)
• M39: 61,299,822 km (0.118 R)
• M40: 65,830,693 km (0.103 R)
• M41: 75,090,053 km (0.119 R)
• M42: 75,551,413 km (0.114 R)
• M43: 75,782,841 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.6

Radius: 7.1

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.27 AU - 11.73 AU

Year: 21828 Days

Day: 17.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,901,614 km

• M1: 93,798 km (0.119 R)
• M2: 603,627 km (0.072 R)
• M3: 1,260,960 km (0.11 R)
• M4: 1,721,423 km (0.04 R)
• M5: 3,442,845 km (0.086 R)
• M6: 3,694,918 km (0.119 R)
• M7: 4,288,073 km (0.06 R)
• M8: 5,662,579 km (0.107 R)
• M9: 10,865,593 km (0.061 R)
• M10: 14,646,080 km (0.09 R)
• M11: 15,806,062 km (0.091 R)
• M12: 16,569,460 km (0.082 R)
• M13: 17,424,113 km (0.114 R)
• M14: 25,605,620 km (0.059 R)
• M15: 27,194,499 km (0.077 R)
• M16: 32,152,173 km (0.045 R)
• M17: 33,999,557 km (0.045 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 14,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit