🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 14

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.5 AU - 0.6 AU

Year: 282 Days

Day: 13.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 27,989,034 km

• M1: 174,581 km (0.115 R)
• M2: 662,719 km (0.085 R)
• M3: 1,156,392 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.9

Radius: 12.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.13 AU - 1.17 AU

Year: 851 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,989,034 km

• M1: 155,432 km (0.07 R)
• M2: 646,712 km (0.043 R)
• M3: 1,097,600 km (0.069 R)
• M4: 1,525,898 km (0.068 R)
• M5: 1,949,559 km (0.096 R)
• M6: 2,603,302 km (0.096 R)
• M7: 3,203,190 km (0.116 R)
• M8: 3,815,942 km (0.116 R)
• M9: 4,266,980 km (0.094 R)
• M10: 5,104,878 km (0.091 R)
• M11: 5,860,048 km (0.1 R)
• M12: 6,330,383 km (0.078 R)
• M13: 7,371,734 km (0.059 R)
• M14: 8,906,010 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.1

Radius: 14.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.6 AU - 2 AU

Year: 1667 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,989,034 km

• M1: 181,612 km (0.064 R)
• M2: 1,447,359 km (0.107 R)
• M3: 1,921,435 km (0.094 R)
• M4: 2,630,828 km (0.038 R)
• M5: 3,462,293 km (0.102 R)
• M6: 4,349,558 km (0.109 R)
• M7: 4,918,928 km (0.091 R)
• M8: 6,018,472 km (0.077 R)
• M9: 6,626,886 km (0.085 R)
• M10: 7,438,156 km (0.108 R)
• M11: 8,344,270 km (0.107 R)
• M12: 9,196,380 km (0.107 R)
• M13: 10,548,146 km (0.111 R)
• M14: 11,290,002 km (0.095 R)
• M15: 12,180,259 km (0.119 R)
• M16: 13,156,983 km (0.057 R)
• M17: 14,312,178 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 14.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.07 AU - 3.79 AU

Year: 4385 Days

Day: 5 Hours

Environment

Temp: -226 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,989,034 km

• M1: 184,005 km (0.063 R)
• M2: 694,733 km (0.098 R)
• M3: 1,233,285 km (0.107 R)
• M4: 2,002,517 km (0.099 R)
• M5: 2,786,560 km (0.104 R)
• M6: 4,151,341 km (0.078 R)
• M7: 6,228,657 km (0.067 R)
• M8: 7,133,874 km (0.112 R)
• M9: 7,869,147 km (0.074 R)
• M10: 9,698,879 km (0.055 R)
• M11: 10,426,074 km (0.045 R)
• M12: 12,134,930 km (0.114 R)
• M13: 13,810,875 km (0.115 R)
• M14: 14,293,628 km (0.118 R)
• M15: 21,215,222 km (0.046 R)
• M16: 22,737,680 km (0.108 R)
• M17: 24,487,376 km (0.114 R)
• M18: 25,837,198 km (0.119 R)
• M19: 27,236,237 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793

Radius: 12.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.79 AU - 6.07 AU

Year: 8734 Days

Day: 8.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 27,989,034 km

• M1: 159,771 km (0.103 R)
• M2: 653,892 km (0.052 R)
• M3: 1,265,299 km (0.102 R)
• M4: 1,960,330 km (0.102 R)
• M5: 3,203,489 km (0.109 R)
• M6: 3,652,432 km (0.088 R)
• M7: 4,062,929 km (0.12 R)
• M8: 4,886,914 km (0.082 R)
• M9: 5,355,155 km (0.11 R)
• M10: 5,785,099 km (0.088 R)
• M11: 6,866,692 km (0.102 R)
• M12: 7,415,566 km (0.09 R)
• M13: 8,164,304 km (0.104 R)
• M14: 9,523,550 km (0.117 R)
• M15: 10,923,487 km (0.091 R)
• M16: 13,037,305 km (0.084 R)
• M17: 14,128,472 km (0.115 R)
• M18: 15,279,627 km (0.115 R)
• M19: 17,264,342 km (0.07 R)
• M20: 18,355,808 km (0.085 R)
• M21: 23,099,108 km (0.075 R)
• M22: 24,065,660 km (0.08 R)
• M23: 26,648,018 km (0.109 R)
• M24: 34,921,828 km (0.04 R)
• M25: 36,195,055 km (0.116 R)
• M26: 36,902,354 km (0.112 R)
• M27: 40,074,427 km (0.054 R)
• M28: 41,213,615 km (0.039 R)
• M29: 43,689,310 km (0.116 R)
• M30: 45,031,353 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.6

Radius: 6.3

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.33 AU - 6.87 AU

Year: 10399 Days

Day: 17.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 27,989,034 km

• M1: 84,224 km (0.054 R)
• M2: 294,409 km (0.113 R)
• M3: 630,705 km (0.072 R)
• M4: 1,183,020 km (0.119 R)
• M5: 1,568,384 km (0.04 R)
• M6: 1,853,667 km (0.09 R)
• M7: 2,173,208 km (0.039 R)
• M8: 2,988,517 km (0.061 R)
• M9: 4,467,890 km (0.111 R)
• M10: 4,734,773 km (0.114 R)
• M11: 5,043,842 km (0.072 R)
• M12: 5,702,072 km (0.063 R)
• M13: 6,641,697 km (0.091 R)
• M14: 7,596,879 km (0.102 R)
• M15: 10,176,395 km (0.113 R)
• M16: 11,115,870 km (0.068 R)
• M17: 11,551,499 km (0.082 R)
• M18: 12,283,631 km (0.068 R)
• M19: 12,749,329 km (0.074 R)
• M20: 13,166,408 km (0.083 R)
• M21: 15,793,945 km (0.112 R)
• M22: 16,275,052 km (0.063 R)
• M23: 17,050,567 km (0.07 R)
• M24: 17,924,518 km (0.074 R)
• M25: 19,290,945 km (0.111 R)
• M26: 23,095,667 km (0.084 R)
• M27: 24,987,931 km (0.111 R)
• M28: 27,274,085 km (0.102 R)
• M29: 28,367,047 km (0.109 R)
• M30: 35,195,293 km (0.072 R)
• M31: 36,848,499 km (0.115 R)
• M32: 41,206,733 km (0.033 R)
• M33: 43,979,979 km (0.099 R)
• M34: 45,205,784 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.8

Radius: 3.7

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.15 AU - 7.19 AU

Year: 10579 Days

Day: 17.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,989,034 km

• M1: 50,863 km (0.093 R)
• M2: 176,675 km (0.113 R)
• M3: 302,936 km (0.085 R)
• M4: 449,691 km (0.088 R)
• M5: 900,430 km (0.061 R)
• M6: 1,129,913 km (0.12 R)
• M7: 1,274,723 km (0.091 R)
• M8: 1,718,281 km (0.069 R)
• M9: 1,997,132 km (0.072 R)
• M10: 2,116,959 km (0.093 R)
• M11: 3,358,771 km (0.114 R)
• M12: 3,908,693 km (0.115 R)
• M13: 4,567,373 km (0.04 R)
• M14: 4,749,583 km (0.082 R)
• M15: 5,212,439 km (0.105 R)
• M16: 5,977,333 km (0.074 R)
• M17: 6,548,946 km (0.09 R)
• M18: 9,079,095 km (0.105 R)
• M19: 9,201,915 km (0.03 R)
• M20: 10,180,584 km (0.098 R)
• M21: 11,703,041 km (0.065 R)
• M22: 14,288,841 km (0.032 R)
• M23: 17,800,501 km (0.099 R)
• M24: 19,651,625 km (0.074 R)
• M25: 21,554,510 km (0.113 R)
• M26: 23,576,774 km (0.04 R)
• M27: 25,967,946 km (0.054 R)
• M28: 30,395,445 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.6

Radius: 6

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.96 AU - 7.32 AU

Year: 11810 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,989,034 km

• M1: 74,649 km (0.047 R)
• M2: 271,819 km (0.101 R)
• M3: 1,898,247 km (0.107 R)
• M4: 2,312,334 km (0.066 R)
• M5: 4,620,480 km (0.091 R)
• M6: 5,142,128 km (0.118 R)
• M7: 8,712,730 km (0.053 R)
• M8: 9,174,538 km (0.087 R)
• M9: 10,247,903 km (0.114 R)
• M10: 11,402,499 km (0.114 R)
• M11: 11,787,415 km (0.07 R)
• M12: 14,029,737 km (0.099 R)
• M13: 18,573,473 km (0.088 R)
• M14: 21,092,701 km (0.101 R)
• M15: 21,924,466 km (0.088 R)
• M16: 24,189,228 km (0.07 R)
• M17: 26,033,919 km (0.096 R)
• M18: 26,701,126 km (0.072 R)
• M19: 28,169,129 km (0.11 R)
• M20: 31,694,403 km (0.077 R)
• M21: 32,127,489 km (0.094 R)
• M22: 39,480,524 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.4

Radius: 4.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.91 AU - 8.95 AU

Year: 15414 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,989,034 km

• M1: 53,556 km (0.088 R)
• M2: 254,316 km (0.055 R)
• M3: 406,906 km (0.049 R)
• M4: 1,085,033 km (0.039 R)
• M5: 1,378,694 km (0.085 R)
• M6: 1,814,622 km (0.096 R)
• M7: 4,959,469 km (0.067 R)
• M8: 5,118,790 km (0.065 R)
• M9: 6,906,485 km (0.11 R)
• M10: 8,760,003 km (0.058 R)
• M11: 10,831,783 km (0.097 R)
• M12: 12,856,740 km (0.118 R)
• M13: 13,310,321 km (0.097 R)
• M14: 13,515,420 km (0.102 R)
• M15: 15,343,805 km (0.108 R)
• M16: 15,968,974 km (0.101 R)
• M17: 19,351,532 km (0.08 R)
• M18: 20,966,441 km (0.088 R)
• M19: 22,451,200 km (0.085 R)
• M20: 22,741,719 km (0.101 R)
• M21: 25,549,521 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 17,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit