🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.9

Radius: 8.7

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 5.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,962,355 km

• M1: 108,159 km (0.092 R)
• M2: 390,301 km (0.085 R)
• M3: 716,873 km (0.117 R)
• M4: 1,035,666 km (0.089 R)
• M5: 1,327,831 km (0.101 R)
• M6: 1,717,982 km (0.098 R)
• M7: 2,303,807 km (0.119 R)
• M8: 2,701,738 km (0.098 R)
• M9: 2,985,226 km (0.059 R)
• M10: 3,379,117 km (0.118 R)
• M11: 4,151,790 km (0.085 R)
• M12: 4,434,081 km (0.092 R)
• M13: 4,889,158 km (0.093 R)
• M14: 5,219,769 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.3

Radius: 14.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.49 AU - 0.75 AU

Year: 337 Days

Day: 6.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,962,355 km

• M1: 184,005 km (0.093 R)
• M2: 659,876 km (0.048 R)
• M3: 1,154,896 km (0.043 R)
• M4: 1,661,284 km (0.118 R)
• M5: 2,227,662 km (0.054 R)
• M6: 2,972,809 km (0.111 R)
• M7: 4,064,873 km (0.085 R)
• M8: 4,922,368 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.5

Radius: 12.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.89 AU - 1.01 AU

Year: 639 Days

Day: 11 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,962,355 km

• M1: 157,975 km (0.118 R)
• M2: 568,472 km (0.099 R)
• M3: 1,097,001 km (0.101 R)
• M4: 2,031,838 km (0.059 R)
• M5: 2,492,151 km (0.094 R)
• M6: 2,928,678 km (0.115 R)
• M7: 3,352,787 km (0.117 R)
• M8: 4,652,793 km (0.12 R)
• M9: 5,515,673 km (0.074 R)
• M10: 6,766,910 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.2

Radius: 13.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.93 AU - 2.15 AU

Year: 2011 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,962,355 km

• M1: 164,109 km (0.085 R)
• M2: 783,743 km (0.075 R)
• M3: 1,361,939 km (0.118 R)
• M4: 2,503,670 km (0.075 R)
• M5: 2,940,496 km (0.094 R)
• M6: 3,675,620 km (0.101 R)
• M7: 6,236,885 km (0.118 R)
• M8: 9,229,141 km (0.096 R)
• M9: 10,770,448 km (0.061 R)
• M10: 13,111,356 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 14.6

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.89 AU - 2.97 AU

Year: 2615 Days

Day: 6.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,962,355 km

• M1: 188,194 km (0.11 R)
• M2: 739,612 km (0.064 R)
• M3: 1,478,925 km (0.086 R)
• M4: 1,975,440 km (0.115 R)
• M5: 2,820,069 km (0.111 R)
• M6: 4,433,782 km (0.11 R)
• M7: 5,442,371 km (0.118 R)
• M8: 6,435,850 km (0.05 R)
• M9: 6,962,285 km (0.119 R)
• M10: 7,668,237 km (0.065 R)
• M11: 8,454,075 km (0.076 R)
• M12: 9,155,090 km (0.061 R)
• M13: 12,823,230 km (0.111 R)
• M14: 15,006,611 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.4

Radius: 14.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.63 AU - 3.47 AU

Year: 3677 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,962,355 km

• M1: 181,013 km (0.069 R)
• M2: 815,907 km (0.108 R)
• M3: 1,478,177 km (0.1 R)
• M4: 2,189,066 km (0.113 R)
• M5: 2,922,544 km (0.107 R)
• M6: 3,858,428 km (0.081 R)
• M7: 4,539,697 km (0.091 R)
• M8: 5,063,439 km (0.106 R)
• M9: 6,055,871 km (0.119 R)
• M10: 6,661,294 km (0.104 R)
• M11: 7,141,653 km (0.078 R)
• M12: 8,390,047 km (0.116 R)
• M13: 9,497,969 km (0.114 R)
• M14: 13,209,642 km (0.073 R)
• M15: 14,022,706 km (0.118 R)
• M16: 15,140,352 km (0.087 R)
• M17: 16,201,898 km (0.102 R)
• M18: 17,312,662 km (0.079 R)
• M19: 18,914,108 km (0.101 R)
• M20: 20,211,720 km (0.09 R)
• M21: 23,056,323 km (0.045 R)
• M22: 24,086,005 km (0.082 R)
• M23: 25,146,056 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 13.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.73 AU - 4.25 AU

Year: 4500 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,962,355 km

• M1: 163,062 km (0.046 R)
• M2: 646,113 km (0.107 R)
• M3: 1,063,042 km (0.084 R)
• M4: 2,251,149 km (0.09 R)
• M5: 3,039,829 km (0.084 R)
• M6: 3,571,799 km (0.099 R)
• M7: 4,773,668 km (0.098 R)
• M8: 5,247,445 km (0.052 R)
• M9: 6,352,225 km (0.056 R)
• M10: 7,093,033 km (0.09 R)
• M11: 7,747,674 km (0.051 R)
• M12: 8,367,308 km (0.102 R)
• M13: 9,338,348 km (0.064 R)
• M14: 10,083,046 km (0.112 R)
• M15: 17,231,730 km (0.08 R)
• M16: 19,455,502 km (0.112 R)
• M17: 19,989,567 km (0.099 R)
• M18: 23,103,596 km (0.04 R)
• M19: 23,929,975 km (0.108 R)
• M20: 24,775,951 km (0.12 R)
• M21: 25,482,800 km (0.071 R)
• M22: 27,267,653 km (0.093 R)
• M23: 28,874,783 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.9

Radius: 14

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.19 AU - 4.97 AU

Year: 5689 Days

Day: 14.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,962,355 km

• M1: 174,581 km (0.094 R)
• M2: 767,138 km (0.106 R)
• M3: 1,442,722 km (0.085 R)
• M4: 2,995,697 km (0.088 R)
• M5: 3,594,687 km (0.094 R)
• M6: 4,147,451 km (0.112 R)
• M7: 5,252,232 km (0.071 R)
• M8: 7,717,754 km (0.025 R)
• M9: 8,237,906 km (0.103 R)
• M10: 8,955,976 km (0.119 R)
• M11: 10,130,469 km (0.078 R)
• M12: 10,915,109 km (0.088 R)
• M13: 11,697,656 km (0.067 R)
• M14: 14,127,425 km (0.098 R)
• M15: 14,808,843 km (0.101 R)
• M16: 15,820,124 km (0.082 R)
• M17: 17,867,820 km (0.05 R)
• M18: 19,307,999 km (0.026 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.6

Radius: 13.6

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.03 AU - 4.59 AU

Year: 6176 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,962,355 km

• M1: 170,392 km (0.101 R)
• M2: 612,603 km (0.075 R)
• M3: 1,550,732 km (0.11 R)
• M4: 2,079,710 km (0.117 R)
• M5: 2,960,841 km (0.097 R)
• M6: 5,045,039 km (0.097 R)
• M7: 6,393,963 km (0.105 R)
• M8: 7,971,023 km (0.054 R)
• M9: 8,745,192 km (0.106 R)
• M10: 9,748,994 km (0.042 R)
• M11: 10,539,170 km (0.12 R)
• M12: 11,371,533 km (0.112 R)
• M13: 12,406,600 km (0.102 R)
• M14: 13,002,149 km (0.039 R)
• M15: 13,902,429 km (0.098 R)
• M16: 14,604,492 km (0.119 R)
• M17: 19,686,631 km (0.091 R)
• M18: 20,797,994 km (0.114 R)
• M19: 28,456,357 km (0.115 R)
• M20: 30,360,589 km (0.103 R)
• M21: 30,948,060 km (0.095 R)
• M22: 32,044,911 km (0.08 R)
• M23: 33,270,716 km (0.093 R)
• M24: 34,210,490 km (0.102 R)
• M25: 35,060,505 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.4

Radius: 6.9

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.83 AU - 9.99 AU

Year: 21534 Days

Day: 18.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,962,355 km

• M1: 86,617 km (0.049 R)
• M2: 311,612 km (0.04 R)
• M3: 716,873 km (0.086 R)
• M4: 1,424,770 km (0.094 R)
• M5: 2,843,856 km (0.106 R)
• M6: 3,324,813 km (0.086 R)
• M7: 4,517,257 km (0.069 R)
• M8: 5,482,313 km (0.087 R)
• M9: 6,183,628 km (0.078 R)
• M10: 6,489,256 km (0.038 R)
• M11: 6,804,758 km (0.1 R)
• M12: 7,763,381 km (0.033 R)
• M13: 8,016,351 km (0.068 R)
• M14: 8,808,921 km (0.11 R)
• M15: 9,084,331 km (0.056 R)
• M16: 9,479,718 km (0.089 R)
• M17: 10,304,601 km (0.074 R)
• M18: 10,610,528 km (0.077 R)
• M19: 10,922,440 km (0.105 R)
• M20: 14,012,085 km (0.057 R)
• M21: 16,285,374 km (0.066 R)
• M22: 16,533,706 km (0.042 R)
• M23: 17,901,330 km (0.114 R)
• M24: 18,165,969 km (0.1 R)
• M25: 18,612,668 km (0.072 R)
• M26: 20,186,737 km (0.062 R)
• M27: 20,569,558 km (0.081 R)
• M28: 23,915,314 km (0.108 R)
• M29: 25,327,368 km (0.044 R)
• M30: 25,660,972 km (0.025 R)
• M31: 28,078,623 km (0.097 R)
• M32: 31,150,017 km (0.108 R)
• M33: 31,532,987 km (0.1 R)
• M34: 32,438,802 km (0.114 R)
• M35: 37,950,437 km (0.059 R)
• M36: 41,232,614 km (0.093 R)
• M37: 54,389,597 km (0.109 R)
• M38: 58,163,802 km (0.083 R)
• M39: 60,510,095 km (0.106 R)
• M40: 66,439,257 km (0.083 R)
• M41: 78,019,628 km (0.084 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 10,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit