🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.5

Radius: 9.6

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.99 AU - 2.05 AU

Year: 2018 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,675,413 km

• M1: 119,828 km (0.107 R)
• M2: 428,149 km (0.089 R)
• M3: 731,982 km (0.112 R)
• M4: 1,060,350 km (0.063 R)
• M5: 1,416,093 km (0.04 R)
• M6: 2,138,202 km (0.033 R)
• M7: 2,603,302 km (0.079 R)
• M8: 3,026,215 km (0.118 R)
• M9: 3,477,702 km (0.116 R)
• M10: 4,356,140 km (0.079 R)
• M11: 4,847,719 km (0.052 R)
• M12: 5,375,949 km (0.097 R)
• M13: 5,772,982 km (0.118 R)
• M14: 8,897,782 km (0.082 R)
• M15: 9,387,715 km (0.108 R)
• M16: 11,040,472 km (0.056 R)
• M17: 11,838,278 km (0.066 R)
• M18: 12,878,881 km (0.107 R)
• M19: 14,110,071 km (0.088 R)
• M20: 15,095,173 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.1

Radius: 14

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.15 AU - 3.31 AU

Year: 4080 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,675,413 km

• M1: 175,329 km (0.105 R)
• M2: 697,126 km (0.034 R)
• M3: 1,656,348 km (0.106 R)
• M4: 2,408,975 km (0.054 R)
• M5: 2,982,084 km (0.106 R)
• M6: 3,687,588 km (0.108 R)
• M7: 4,149,247 km (0.053 R)
• M8: 5,216,927 km (0.109 R)
• M9: 6,554,182 km (0.073 R)
• M10: 10,929,920 km (0.076 R)
• M11: 12,367,406 km (0.046 R)
• M12: 15,167,279 km (0.1 R)
• M13: 18,492,541 km (0.077 R)
• M14: 21,008,328 km (0.102 R)
• M15: 21,636,190 km (0.099 R)
• M16: 22,856,161 km (0.099 R)
• M17: 25,432,984 km (0.12 R)
• M18: 27,036,225 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 9.9

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.38 AU - 5.1 AU

Year: 6137 Days

Day: 9 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,675,413 km

• M1: 138,827 km (0.107 R)
• M2: 1,442,572 km (0.067 R)
• M3: 1,799,513 km (0.118 R)
• M4: 3,370,440 km (0.112 R)
• M5: 5,140,183 km (0.096 R)
• M6: 6,242,420 km (0.054 R)
• M7: 7,203,287 km (0.109 R)
• M8: 10,169,962 km (0.09 R)
• M9: 13,811,474 km (0.117 R)
• M10: 14,550,786 km (0.114 R)
• M11: 15,984,532 km (0.083 R)
• M12: 16,735,813 km (0.085 R)
• M13: 17,379,533 km (0.038 R)
• M14: 24,262,680 km (0.115 R)
• M15: 26,187,406 km (0.082 R)
• M16: 27,319,264 km (0.065 R)
• M17: 29,867,215 km (0.082 R)
• M18: 30,338,448 km (0.096 R)
• M19: 33,370,797 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.3

Radius: 14.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.17 AU - 4.41 AU

Year: 6246 Days

Day: 13.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,675,413 km

• M1: 184,005 km (0.069 R)
• M2: 654,939 km (0.032 R)
• M3: 1,142,180 km (0.088 R)
• M4: 1,797,718 km (0.116 R)
• M5: 2,354,222 km (0.117 R)
• M6: 3,476,655 km (0.079 R)
• M7: 4,540,445 km (0.101 R)
• M8: 6,762,422 km (0.104 R)
• M9: 8,936,079 km (0.068 R)
• M10: 10,496,086 km (0.084 R)
• M11: 11,952,571 km (0.106 R)
• M12: 12,705,497 km (0.104 R)
• M13: 18,955,696 km (0.045 R)
• M14: 22,918,244 km (0.041 R)
• M15: 25,899,431 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.6

Radius: 11.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.72 AU - 5.5 AU

Year: 6958 Days

Day: 8 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,675,413 km

• M1: 139,425 km (0.054 R)
• M2: 507,885 km (0.096 R)
• M3: 871,557 km (0.066 R)
• M4: 1,752,090 km (0.08 R)
• M5: 2,123,093 km (0.096 R)
• M6: 2,546,754 km (0.117 R)
• M7: 3,343,662 km (0.079 R)
• M8: 4,170,789 km (0.052 R)
• M9: 5,398,090 km (0.061 R)
• M10: 5,997,079 km (0.09 R)
• M11: 6,432,110 km (0.12 R)
• M12: 6,923,988 km (0.114 R)
• M13: 8,143,360 km (0.103 R)
• M14: 8,552,361 km (0.108 R)
• M15: 10,186,568 km (0.109 R)
• M16: 11,052,739 km (0.079 R)
• M17: 14,653,111 km (0.088 R)
• M18: 15,568,950 km (0.053 R)
• M19: 17,179,371 km (0.108 R)
• M20: 19,909,382 km (0.064 R)
• M21: 22,039,506 km (0.109 R)
• M22: 23,159,695 km (0.083 R)
• M23: 24,149,734 km (0.117 R)
• M24: 25,253,766 km (0.089 R)
• M25: 27,017,675 km (0.108 R)
• M26: 31,683,931 km (0.09 R)
• M27: 32,086,948 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733

Radius: 5

Gravity: 29.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.56 AU - 8.86 AU

Year: 16536 Days

Day: 24.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 42,675,413 km

• M1: 62,233 km (0.091 R)
• M2: 288,724 km (0.079 R)
• M3: 539,450 km (0.07 R)
• M4: 705,653 km (0.108 R)
• M5: 939,774 km (0.114 R)
• M6: 1,767,499 km (0.083 R)
• M7: 2,024,807 km (0.112 R)
• M8: 2,637,261 km (0.117 R)
• M9: 3,049,553 km (0.12 R)
• M10: 3,531,707 km (0.087 R)
• M11: 3,791,109 km (0.093 R)
• M12: 6,016,976 km (0.099 R)
• M13: 6,387,380 km (0.113 R)
• M14: 6,904,690 km (0.098 R)
• M15: 7,402,851 km (0.119 R)
• M16: 8,120,621 km (0.075 R)
• M17: 8,319,586 km (0.074 R)
• M18: 10,550,839 km (0.107 R)
• M19: 12,613,943 km (0.106 R)
• M20: 14,345,239 km (0.078 R)
• M21: 15,005,564 km (0.081 R)
• M22: 16,386,502 km (0.098 R)
• M23: 18,959,585 km (0.087 R)
• M24: 19,486,918 km (0.099 R)
• M25: 22,271,233 km (0.051 R)
• M26: 28,498,694 km (0.071 R)
• M27: 29,190,285 km (0.039 R)
• M28: 29,893,095 km (0.083 R)
• M29: 30,607,126 km (0.036 R)
• M30: 34,738,570 km (0.1 R)
• M31: 37,552,506 km (0.045 R)
• M32: 40,659,504 km (0.041 R)
• M33: 44,701,340 km (0.065 R)
• M34: 45,322,021 km (0.116 R)
• M35: 51,848,378 km (0.073 R)
• M36: 55,870,616 km (0.089 R)
• M37: 58,233,514 km (0.12 R)
• M38: 61,805,612 km (0.09 R)
• M39: 63,938,878 km (0.026 R)
• M40: 65,920,451 km (0.088 R)
• M41: 67,331,758 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.2

Radius: 7.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.2 AU - 11.74 AU

Year: 20485 Days

Day: 20.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 79.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,675,413 km

• M1: 98,286 km (0.102 R)
• M2: 658,679 km (0.113 R)
• M3: 1,519,316 km (0.118 R)
• M4: 3,394,974 km (0.069 R)
• M5: 5,126,270 km (0.057 R)
• M6: 6,344,446 km (0.103 R)
• M7: 8,786,631 km (0.099 R)
• M8: 9,675,093 km (0.042 R)
• M9: 10,266,303 km (0.063 R)
• M10: 10,933,660 km (0.118 R)
• M11: 11,960,649 km (0.044 R)
• M12: 16,029,113 km (0.104 R)
• M13: 16,301,830 km (0.073 R)
• M14: 16,786,527 km (0.109 R)
• M15: 18,372,563 km (0.045 R)
• M16: 20,773,460 km (0.082 R)
• M17: 24,800,784 km (0.11 R)
• M18: 25,165,803 km (0.035 R)
• M19: 29,421,413 km (0.075 R)
• M20: 30,243,603 km (0.105 R)
• M21: 32,149,181 km (0.117 R)
• M22: 34,133,447 km (0.093 R)
• M23: 35,732,199 km (0.104 R)
• M24: 36,197,898 km (0.079 R)
• M25: 39,696,992 km (0.111 R)
• M26: 41,208,529 km (0.103 R)
• M27: 41,464,042 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.2

Radius: 5.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.54 AU - 9.8 AU

Year: 21137 Days

Day: 16.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,675,413 km

• M1: 211,531 km (0.103 R)
• M2: 462,257 km (0.097 R)
• M3: 1,167,013 km (0.079 R)
• M4: 3,184,789 km (0.053 R)
• M5: 3,802,329 km (0.097 R)
• M6: 4,033,607 km (0.087 R)
• M7: 4,301,687 km (0.068 R)
• M8: 7,199,996 km (0.034 R)
• M9: 8,602,326 km (0.089 R)
• M10: 8,957,023 km (0.069 R)
• M11: 9,275,367 km (0.042 R)
• M12: 12,099,925 km (0.066 R)
• M13: 15,776,591 km (0.115 R)
• M14: 17,406,759 km (0.052 R)
• M15: 21,237,811 km (0.104 R)
• M16: 22,049,679 km (0.112 R)
• M17: 23,135,759 km (0.094 R)
• M18: 27,170,713 km (0.03 R)
• M19: 29,006,578 km (0.091 R)
• M20: 32,709,126 km (0.07 R)
• M21: 36,484,078 km (0.065 R)
• M22: 38,476,124 km (0.076 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: 537 - 15,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit