🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.3

Radius: 11.2

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.56 AU - 0.84 AU

Year: 391 Days

Day: 12.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,523,055 km

• M1: 139,276 km (0.083 R)
• M2: 1,043,744 km (0.1 R)
• M3: 1,664,426 km (0.117 R)
• M4: 2,424,084 km (0.088 R)
• M5: 2,915,662 km (0.059 R)
• M6: 3,695,367 km (0.072 R)
• M7: 4,046,922 km (0.06 R)
• M8: 4,463,701 km (0.048 R)
• M9: 4,970,838 km (0.12 R)
• M10: 5,417,088 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696

Radius: 10.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.69 AU - 0.73 AU

Year: 399 Days

Day: 11.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,523,055 km

• M1: 126,859 km (0.061 R)
• M2: 458,069 km (0.111 R)
• M3: 1,017,116 km (0.118 R)
• M4: 1,375,104 km (0.115 R)
• M5: 1,700,778 km (0.093 R)
• M6: 2,196,695 km (0.108 R)
• M7: 2,540,920 km (0.065 R)
• M8: 3,038,632 km (0.077 R)
• M9: 3,374,778 km (0.083 R)
• M10: 3,748,175 km (0.083 R)
• M11: 4,149,247 km (0.048 R)
• M12: 4,521,895 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 11.7

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.87 AU - 2.89 AU

Year: 3259 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,523,055 km

• M1: 145,708 km (0.06 R)
• M2: 768,634 km (0.074 R)
• M3: 1,312,422 km (0.045 R)
• M4: 1,949,709 km (0.075 R)
• M5: 2,369,780 km (0.117 R)
• M6: 2,784,914 km (0.081 R)
• M7: 3,968,233 km (0.075 R)
• M8: 6,080,106 km (0.105 R)
• M9: 6,655,908 km (0.067 R)
• M10: 7,362,758 km (0.09 R)
• M11: 8,051,208 km (0.07 R)
• M12: 9,035,412 km (0.088 R)
• M13: 11,627,794 km (0.099 R)
• M14: 12,837,891 km (0.087 R)
• M15: 13,449,597 km (0.114 R)
• M16: 18,645,579 km (0.119 R)
• M17: 19,924,492 km (0.086 R)
• M18: 20,617,429 km (0.1 R)
• M19: 22,117,896 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214

Radius: 8.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.25 AU - 5.39 AU

Year: 5988 Days

Day: 9.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,523,055 km

• M1: 105,766 km (0.078 R)
• M2: 543,489 km (0.11 R)
• M3: 924,814 km (0.064 R)
• M4: 1,357,750 km (0.115 R)
• M5: 2,187,570 km (0.073 R)
• M6: 3,192,718 km (0.109 R)
• M7: 3,727,381 km (0.093 R)
• M8: 4,210,133 km (0.113 R)
• M9: 5,994,686 km (0.096 R)
• M10: 6,421,937 km (0.078 R)
• M11: 6,778,280 km (0.116 R)
• M12: 7,860,171 km (0.09 R)
• M13: 8,761,947 km (0.068 R)
• M14: 9,539,557 km (0.066 R)
• M15: 11,445,434 km (0.097 R)
• M16: 12,510,571 km (0.105 R)
• M17: 13,592,163 km (0.052 R)
• M18: 18,665,326 km (0.119 R)
• M19: 21,161,816 km (0.101 R)
• M20: 21,488,687 km (0.108 R)
• M21: 21,885,570 km (0.109 R)
• M22: 22,693,847 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.9

Radius: 11.5

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.58 AU - 5.16 AU

Year: 6092 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,523,055 km

• M1: 181,761 km (0.062 R)
• M2: 763,697 km (0.105 R)
• M3: 1,710,652 km (0.116 R)
• M4: 2,644,591 km (0.102 R)
• M5: 4,262,941 km (0.086 R)
• M6: 4,908,007 km (0.082 R)
• M7: 5,648,217 km (0.085 R)
• M8: 8,360,726 km (0.06 R)
• M9: 8,731,130 km (0.094 R)
• M10: 9,242,007 km (0.06 R)
• M11: 10,370,723 km (0.065 R)
• M12: 11,387,839 km (0.033 R)
• M13: 17,627,865 km (0.079 R)
• M14: 18,933,555 km (0.095 R)
• M15: 20,973,921 km (0.093 R)
• M16: 22,915,851 km (0.088 R)
• M17: 25,918,878 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 10.1

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.16 AU - 6.42 AU

Year: 8114 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,523,055 km

• M1: 125,662 km (0.117 R)
• M2: 604,675 km (0.08 R)
• M3: 1,343,688 km (0.08 R)
• M4: 1,670,709 km (0.079 R)
• M5: 2,416,305 km (0.104 R)
• M6: 4,387,706 km (0.095 R)
• M7: 5,340,494 km (0.094 R)
• M8: 6,607,738 km (0.099 R)
• M9: 8,891,948 km (0.12 R)
• M10: 10,113,414 km (0.041 R)
• M11: 11,820,775 km (0.09 R)
• M12: 12,486,785 km (0.11 R)
• M13: 12,829,065 km (0.091 R)
• M14: 13,295,212 km (0.1 R)
• M15: 14,076,860 km (0.055 R)
• M16: 15,273,793 km (0.094 R)
• M17: 18,013,528 km (0.108 R)
• M18: 23,138,452 km (0.056 R)
• M19: 29,459,710 km (0.081 R)
• M20: 30,374,202 km (0.055 R)
• M21: 32,905,398 km (0.1 R)
• M22: 39,842,551 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.2

Radius: 3.2

Gravity: 92.99 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.72 AU - 7.04 AU

Year: 12034 Days

Day: 22.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,523,055 km

• M1: 39,793 km (0.101 R)
• M2: 227,987 km (0.099 R)
• M3: 844,929 km (0.094 R)
• M4: 1,469,649 km (0.099 R)
• M5: 3,229,369 km (0.073 R)
• M6: 3,683,100 km (0.108 R)
• M7: 4,147,601 km (0.085 R)
• M8: 5,625,179 km (0.045 R)
• M9: 7,464,934 km (0.117 R)
• M10: 7,922,254 km (0.045 R)
• M11: 8,892,247 km (0.076 R)
• M12: 9,723,413 km (0.098 R)
• M13: 12,780,296 km (0.065 R)
• M14: 13,836,008 km (0.113 R)
• M15: 14,040,209 km (0.111 R)
• M16: 15,673,219 km (0.074 R)
• M17: 17,987,648 km (0.115 R)
• M18: 19,565,606 km (0.117 R)
• M19: 25,863,527 km (0.057 R)
• M20: 25,966,600 km (0.108 R)
• M21: 28,412,376 km (0.112 R)
• M22: 30,087,423 km (0.109 R)
• M23: 32,064,209 km (0.095 R)
• M24: 37,976,167 km (0.101 R)
• M25: 41,398,069 km (0.11 R)
• M26: 45,618,225 km (0.088 R)
• M27: 46,525,686 km (0.057 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: 176 - 15,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit