🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.8

Radius: 13.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.16 AU - 1.26 AU

Year: 873 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,477,263 km

• M1: 168,148 km (0.05 R)
• M2: 602,879 km (0.062 R)
• M3: 1,238,222 km (0.04 R)
• M4: 1,968,409 km (0.111 R)
• M5: 2,934,811 km (0.114 R)
• M6: 3,547,714 km (0.113 R)
• M7: 4,277,302 km (0.091 R)
• M8: 4,995,970 km (0.094 R)
• M9: 5,694,443 km (0.097 R)
• M10: 6,140,245 km (0.064 R)
• M11: 6,897,659 km (0.117 R)
• M12: 7,357,971 km (0.104 R)
• M13: 7,912,531 km (0.052 R)
• M14: 8,340,380 km (0.079 R)
• M15: 8,944,008 km (0.103 R)
• M16: 9,436,484 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453

Radius: 12.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.94 AU - 1.96 AU

Year: 1786 Days

Day: 11.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,477,263 km

• M1: 154,235 km (0.105 R)
• M2: 612,005 km (0.092 R)
• M3: 1,049,878 km (0.098 R)
• M4: 1,713,344 km (0.096 R)
• M5: 2,368,134 km (0.067 R)
• M6: 3,506,275 km (0.116 R)
• M7: 4,091,651 km (0.119 R)
• M8: 4,879,583 km (0.101 R)
• M9: 5,331,219 km (0.053 R)
• M10: 6,319,164 km (0.058 R)
• M11: 6,907,532 km (0.1 R)
• M12: 7,346,153 km (0.037 R)
• M13: 7,775,948 km (0.092 R)
• M14: 8,627,309 km (0.054 R)
• M15: 9,136,690 km (0.098 R)
• M16: 9,857,901 km (0.09 R)
• M17: 10,381,793 km (0.088 R)
• M18: 10,958,642 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.8

Radius: 12.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.4 AU - 4.6 AU

Year: 5248 Days

Day: 11.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,477,263 km

• M1: 160,967 km (0.074 R)
• M2: 797,057 km (0.075 R)
• M3: 1,301,950 km (0.098 R)
• M4: 1,759,421 km (0.109 R)
• M5: 3,088,448 km (0.053 R)
• M6: 3,561,925 km (0.038 R)
• M7: 4,036,450 km (0.036 R)
• M8: 4,501,998 km (0.098 R)
• M9: 5,254,027 km (0.076 R)
• M10: 6,182,431 km (0.115 R)
• M11: 7,795,246 km (0.098 R)
• M12: 9,502,457 km (0.11 R)
• M13: 12,436,370 km (0.103 R)
• M14: 13,056,902 km (0.077 R)
• M15: 13,806,986 km (0.095 R)
• M16: 14,585,493 km (0.077 R)
• M17: 15,688,628 km (0.081 R)
• M18: 18,924,879 km (0.115 R)
• M19: 23,041,214 km (0.072 R)
• M20: 23,741,631 km (0.065 R)
• M21: 24,296,041 km (0.109 R)
• M22: 25,678,774 km (0.088 R)
• M23: 27,027,548 km (0.109 R)
• M24: 30,885,827 km (0.11 R)
• M25: 32,507,617 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.2

Radius: 12.1

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.34 AU - 5.48 AU

Year: 8255 Days

Day: 5 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,477,263 km

• M1: 155,283 km (0.066 R)
• M2: 636,090 km (0.112 R)
• M3: 1,109,268 km (0.055 R)
• M4: 1,819,260 km (0.096 R)
• M5: 2,939,598 km (0.114 R)
• M6: 4,333,701 km (0.119 R)
• M7: 5,352,911 km (0.059 R)
• M8: 6,270,993 km (0.092 R)
• M9: 7,988,526 km (0.091 R)
• M10: 8,819,692 km (0.044 R)
• M11: 13,082,783 km (0.091 R)
• M12: 15,658,110 km (0.113 R)
• M13: 17,384,769 km (0.096 R)
• M14: 18,855,016 km (0.079 R)
• M15: 19,698,150 km (0.102 R)
• M16: 21,295,257 km (0.045 R)
• M17: 25,293,709 km (0.097 R)
• M18: 26,319,202 km (0.101 R)
• M19: 26,986,109 km (0.028 R)
• M20: 27,860,060 km (0.059 R)
• M21: 28,353,733 km (0.106 R)
• M22: 29,358,433 km (0.096 R)
• M23: 36,712,215 km (0.074 R)
• M24: 41,384,755 km (0.118 R)
• M25: 42,416,681 km (0.085 R)
• M26: 43,201,771 km (0.097 R)
• M27: 44,666,334 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.3

Radius: 7.4

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.76 AU - 13.04 AU

Year: 23607 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,477,263 km

• M1: 92,152 km (0.099 R)
• M2: 344,225 km (0.046 R)
• M3: 611,107 km (0.073 R)
• M4: 1,317,658 km (0.093 R)
• M5: 3,704,043 km (0.116 R)
• M6: 4,211,778 km (0.088 R)
• M7: 5,523,453 km (0.045 R)
• M8: 6,015,630 km (0.115 R)
• M9: 6,447,818 km (0.106 R)
• M10: 6,808,349 km (0.093 R)
• M11: 7,520,584 km (0.091 R)
• M12: 9,720,421 km (0.119 R)
• M13: 11,777,392 km (0.08 R)
• M14: 13,736,675 km (0.067 R)
• M15: 19,380,255 km (0.111 R)
• M16: 22,400,187 km (0.03 R)
• M17: 22,914,953 km (0.057 R)
• M18: 26,972,646 km (0.103 R)
• M19: 28,265,470 km (0.042 R)
• M20: 31,228,705 km (0.12 R)
• M21: 31,741,975 km (0.119 R)
• M22: 32,000,780 km (0.115 R)
• M23: 33,315,446 km (0.059 R)
• M24: 34,392,850 km (0.069 R)
• M25: 35,354,614 km (0.074 R)
• M26: 38,935,539 km (0.03 R)
• M27: 41,504,134 km (0.05 R)
• M28: 41,813,502 km (0.092 R)
• M29: 44,506,115 km (0.054 R)
• M30: 46,308,769 km (0.056 R)
• M31: 59,324,681 km (0.114 R)
• M32: 60,508,000 km (0.052 R)
• M33: 65,398,804 km (0.064 R)
• M34: 67,512,173 km (0.109 R)
• M35: 74,580,223 km (0.079 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: 331 - 12,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit