🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.8

Radius: 8.4

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.51 AU - 0.55 AU

Year: 262 Days

Day: 10.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 134.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,925,487 km

• M1: 104,419 km (0.075 R)
• M2: 405,859 km (0.09 R)
• M3: 723,605 km (0.081 R)
• M4: 1,169,257 km (0.073 R)
• M5: 1,748,500 km (0.096 R)
• M6: 2,027,500 km (0.05 R)
• M7: 2,344,797 km (0.1 R)
• M8: 3,000,484 km (0.088 R)
• M9: 3,831,201 km (0.066 R)
• M10: 4,243,493 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 12.6

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.48 AU - 0.64 AU

Year: 284 Days

Day: 13.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,925,487 km

• M1: 156,629 km (0.095 R)
• M2: 560,992 km (0.103 R)
• M3: 1,074,113 km (0.093 R)
• M4: 1,513,033 km (0.115 R)
• M5: 2,241,425 km (0.087 R)
• M6: 2,923,591 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.6

Radius: 14.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.03 AU - 1.25 AU

Year: 826 Days

Day: 9.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,925,487 km

• M1: 181,612 km (0.027 R)
• M2: 687,253 km (0.087 R)
• M3: 1,288,786 km (0.102 R)
• M4: 1,877,304 km (0.034 R)
• M5: 2,587,744 km (0.081 R)
• M6: 3,086,204 km (0.092 R)
• M7: 3,566,264 km (0.117 R)
• M8: 4,227,337 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 10.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.05 AU - 1.55 AU

Year: 1005 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,925,487 km

• M1: 128,056 km (0.053 R)
• M2: 548,127 km (0.047 R)
• M3: 877,840 km (0.032 R)
• M4: 1,244,355 km (0.061 R)
• M5: 1,568,833 km (0.031 R)
• M6: 2,310,988 km (0.109 R)
• M7: 2,647,134 km (0.074 R)
• M8: 3,829,257 km (0.089 R)
• M9: 4,177,371 km (0.096 R)
• M10: 4,663,414 km (0.103 R)
• M11: 5,314,614 km (0.091 R)
• M12: 6,540,569 km (0.11 R)
• M13: 7,425,889 km (0.105 R)
• M14: 8,042,980 km (0.049 R)
• M15: 8,591,406 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 8.1

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.1 AU - 1.8 AU

Year: 1184 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,925,487 km

• M1: 100,829 km (0.108 R)
• M2: 474,824 km (0.054 R)
• M3: 740,210 km (0.064 R)
• M4: 997,967 km (0.116 R)
• M5: 1,355,656 km (0.078 R)
• M6: 1,975,440 km (0.079 R)
• M7: 2,509,355 km (0.054 R)
• M8: 2,810,495 km (0.111 R)
• M9: 3,516,747 km (0.115 R)
• M10: 3,911,835 km (0.109 R)
• M11: 4,248,879 km (0.107 R)
• M12: 4,568,719 km (0.119 R)
• M13: 5,117,893 km (0.045 R)
• M14: 5,398,389 km (0.081 R)
• M15: 6,234,641 km (0.094 R)
• M16: 6,958,844 km (0.061 R)
• M17: 7,634,129 km (0.109 R)
• M18: 8,027,721 km (0.09 R)
• M19: 9,861,641 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.2

Radius: 13.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.03 AU - 6.39 AU

Year: 8066 Days

Day: 10.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,925,487 km

• M1: 166,652 km (0.11 R)
• M2: 730,038 km (0.104 R)
• M3: 1,546,992 km (0.093 R)
• M4: 1,984,416 km (0.09 R)
• M5: 2,649,977 km (0.108 R)
• M6: 3,438,806 km (0.076 R)
• M7: 3,876,978 km (0.108 R)
• M8: 5,009,733 km (0.111 R)
• M9: 5,987,954 km (0.093 R)
• M10: 7,089,742 km (0.113 R)
• M11: 10,058,662 km (0.093 R)
• M12: 10,623,693 km (0.06 R)
• M13: 11,410,129 km (0.091 R)
• M14: 13,659,931 km (0.105 R)
• M15: 15,500,284 km (0.109 R)
• M16: 16,255,305 km (0.072 R)
• M17: 18,808,791 km (0.098 R)
• M18: 22,323,892 km (0.086 R)
• M19: 23,287,153 km (0.038 R)
• M20: 27,419,046 km (0.034 R)
• M21: 28,710,674 km (0.109 R)
• M22: 34,602,885 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.4

Radius: 4.3

Gravity: 42.75 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.75 AU - 8.69 AU

Year: 13158 Days

Day: 16.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,925,487 km

• M1: 55,800 km (0.076 R)
• M2: 399,426 km (0.105 R)
• M3: 628,161 km (0.085 R)
• M4: 846,275 km (0.071 R)
• M5: 1,018,761 km (0.09 R)
• M6: 1,163,273 km (0.111 R)
• M7: 1,449,753 km (0.046 R)
• M8: 1,798,615 km (0.106 R)
• M9: 2,867,642 km (0.025 R)
• M10: 3,234,156 km (0.051 R)
• M11: 3,742,640 km (0.064 R)
• M12: 4,001,145 km (0.12 R)
• M13: 4,650,998 km (0.035 R)
• M14: 10,759,827 km (0.107 R)
• M15: 12,630,997 km (0.096 R)
• M16: 12,822,931 km (0.096 R)
• M17: 13,016,660 km (0.1 R)
• M18: 14,920,892 km (0.118 R)
• M19: 16,238,400 km (0.094 R)
• M20: 17,552,169 km (0.109 R)
• M21: 19,270,899 km (0.1 R)
• M22: 19,525,215 km (0.079 R)
• M23: 19,867,794 km (0.035 R)
• M24: 21,732,531 km (0.092 R)
• M25: 22,472,592 km (0.106 R)
• M26: 22,848,831 km (0.114 R)
• M27: 23,325,001 km (0.092 R)
• M28: 24,693,672 km (0.077 R)
• M29: 27,804,859 km (0.071 R)
• M30: 28,566,611 km (0.031 R)
• M31: 36,704,137 km (0.11 R)
• M32: 38,820,647 km (0.119 R)
• M33: 39,226,357 km (0.085 R)
• M34: 42,717,822 km (0.104 R)
• M35: 43,150,309 km (0.107 R)
• M36: 44,464,975 km (0.098 R)
• M37: 52,918,452 km (0.073 R)
• M38: 55,102,132 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.7

Radius: 6.8

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.2 AU - 9.84 AU

Year: 19923 Days

Day: 17.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,925,487 km

• M1: 84,523 km (0.118 R)
• M2: 1,073,514 km (0.081 R)
• M3: 1,540,110 km (0.05 R)
• M4: 2,846,847 km (0.111 R)
• M5: 4,560,641 km (0.115 R)
• M6: 5,014,820 km (0.084 R)
• M7: 7,184,587 km (0.103 R)
• M8: 8,708,391 km (0.105 R)
• M9: 12,379,972 km (0.052 R)
• M10: 14,114,260 km (0.051 R)
• M11: 18,661,886 km (0.104 R)
• M12: 20,186,737 km (0.068 R)
• M13: 26,784,900 km (0.102 R)
• M14: 27,913,018 km (0.119 R)
• M15: 29,544,981 km (0.095 R)
• M16: 33,901,421 km (0.086 R)
• M17: 36,985,979 km (0.066 R)
• M18: 37,680,412 km (0.076 R)
• M19: 41,135,525 km (0.092 R)
• M20: 47,353,411 km (0.074 R)
• M21: 50,006,379 km (0.081 R)
• M22: 51,197,777 km (0.119 R)
• M23: 55,425,712 km (0.1 R)
• M24: 66,183,893 km (0.091 R)
• M25: 66,796,496 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.9

Radius: 5.2

Gravity: 20 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.7 AU - 12.18 AU

Year: 22879 Days

Day: 18.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,925,487 km

• M1: 65,823 km (0.072 R)
• M2: 233,522 km (0.092 R)
• M3: 397,482 km (0.094 R)
• M4: 839,244 km (0.096 R)
• M5: 1,415,645 km (0.057 R)
• M6: 2,727,618 km (0.045 R)
• M7: 2,980,289 km (0.081 R)
• M8: 3,360,118 km (0.071 R)
• M9: 3,741,144 km (0.046 R)
• M10: 4,801,643 km (0.113 R)
• M11: 5,208,399 km (0.077 R)
• M12: 5,638,045 km (0.092 R)
• M13: 8,044,625 km (0.059 R)
• M14: 12,234,862 km (0.073 R)
• M15: 12,922,264 km (0.049 R)
• M16: 18,739,527 km (0.105 R)
• M17: 19,651,924 km (0.073 R)
• M18: 21,564,683 km (0.049 R)
• M19: 24,769,219 km (0.089 R)
• M20: 25,755,817 km (0.03 R)
• M21: 32,360,862 km (0.07 R)
• M22: 37,103,114 km (0.117 R)
• M23: 41,826,069 km (0.042 R)
• M24: 44,171,763 km (0.077 R)
• M25: 44,651,075 km (0.106 R)
• M26: 48,104,691 km (0.108 R)
• M27: 49,465,882 km (0.086 R)
• M28: 59,915,294 km (0.112 R)
• M29: 69,564,655 km (0.099 R)
• M30: 74,416,862 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 11,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit