🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.76 AU - 3 AU

Year: 1832 Days

Day: 37.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330

Radius: 14.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.63 AU - 7.05 AU

Year: 6704 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,300,340 km

• M1: 183,108 km (0.092 R)
• M2: 833,111 km (0.113 R)
• M3: 1,282,353 km (0.047 R)
• M4: 1,784,852 km (0.119 R)
• M5: 2,784,316 km (0.099 R)
• M6: 4,631,999 km (0.081 R)
• M7: 5,282,301 km (0.063 R)
• M8: 6,543,411 km (0.106 R)
• M9: 7,027,958 km (0.085 R)
• M10: 8,252,716 km (0.118 R)
• M11: 8,742,350 km (0.102 R)
• M12: 9,452,491 km (0.073 R)
• M13: 9,946,912 km (0.084 R)
• M14: 12,245,035 km (0.078 R)
• M15: 13,856,503 km (0.082 R)
• M16: 14,441,879 km (0.097 R)
• M17: 15,099,362 km (0.093 R)
• M18: 16,651,739 km (0.073 R)
• M19: 17,131,499 km (0.108 R)
• M20: 18,626,580 km (0.099 R)
• M21: 23,111,375 km (0.116 R)
• M22: 24,163,946 km (0.044 R)
• M23: 25,326,920 km (0.077 R)
• M24: 26,526,844 km (0.111 R)
• M25: 27,017,226 km (0.11 R)
• M26: 27,513,741 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.9

Radius: 11

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.73 AU - 11.95 AU

Year: 14310 Days

Day: 10.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,300,340 km

• M1: 137,480 km (0.113 R)
• M2: 2,316,224 km (0.067 R)
• M3: 2,676,605 km (0.098 R)
• M4: 3,052,844 km (0.104 R)
• M5: 3,734,262 km (0.118 R)
• M6: 4,206,243 km (0.082 R)
• M7: 6,580,362 km (0.102 R)
• M8: 7,968,181 km (0.106 R)
• M9: 9,026,736 km (0.05 R)
• M10: 10,632,220 km (0.101 R)
• M11: 11,748,220 km (0.094 R)
• M12: 18,007,844 km (0.105 R)
• M13: 23,377,809 km (0.1 R)
• M14: 32,802,026 km (0.103 R)
• M15: 34,246,094 km (0.108 R)
• M16: 37,141,860 km (0.108 R)
• M17: 43,152,104 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.2

Radius: 3.1

Gravity: 38 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 15.02 AU - 20.96 AU

Year: 28594 Days

Day: 21 Hours

Environment

Temp: -190 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 78,300,340 km

• M1: 55,501 km (0.098 R)
• M2: 154,535 km (0.104 R)
• M3: 287,078 km (0.069 R)
• M4: 592,408 km (0.102 R)
• M5: 784,192 km (0.059 R)
• M6: 1,812,378 km (0.105 R)
• M7: 2,237,236 km (0.106 R)
• M8: 2,851,036 km (0.052 R)
• M9: 2,980,887 km (0.109 R)
• M10: 3,087,550 km (0.043 R)
• M11: 3,365,354 km (0.086 R)
• M12: 4,401,169 km (0.073 R)
• M13: 4,898,582 km (0.033 R)
• M14: 5,199,124 km (0.117 R)
• M15: 6,260,970 km (0.047 R)
• M16: 9,821,250 km (0.033 R)
• M17: 10,542,611 km (0.097 R)
• M18: 10,666,179 km (0.089 R)
• M19: 11,822,271 km (0.119 R)
• M20: 12,568,465 km (0.106 R)
• M21: 16,030,309 km (0.103 R)
• M22: 17,455,379 km (0.115 R)
• M23: 18,154,300 km (0.103 R)
• M24: 21,730,138 km (0.099 R)
• M25: 22,030,979 km (0.115 R)
• M26: 23,576,774 km (0.11 R)
• M27: 30,483,708 km (0.105 R)
• M28: 30,609,071 km (0.101 R)
• M29: 31,623,643 km (0.097 R)
• M30: 31,880,802 km (0.032 R)
• M31: 35,628,678 km (0.07 R)
• M32: 41,784,331 km (0.069 R)
• M33: 48,441,137 km (0.092 R)
• M34: 52,288,345 km (0.065 R)
• M35: 54,839,587 km (0.07 R)
• M36: 56,334,070 km (0.114 R)
• M37: 59,014,415 km (0.081 R)
• M38: 62,381,714 km (0.087 R)
• M39: 62,583,671 km (0.088 R)
• M40: 67,775,914 km (0.083 R)
• M41: 69,930,721 km (0.052 R)
• M42: 74,376,471 km (0.034 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 13,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit