🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.58 AU - 0.9 AU

Year: 241 Days

Day: 41.1 Hours

Environment

Temp: 85 °C

Axial Tilt: 49.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.75 AU - 0.81 AU

Year: 261 Days

Day: 35.4 Hours

Environment

Temp: 82 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 98,312,081 km

• M1: 298,448 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.25 AU - 1.27 AU

Year: 536 Days

Day: 39.9 Hours

Environment

Temp: -21 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.28 AU - 1.56 AU

Year: 641 Days

Day: 23.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,312,081 km

• M1: 33,959 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309

Radius: 13.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.06 AU - 6.76 AU

Year: 4766 Days

Day: 14.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 98,312,081 km

• M1: 167,998 km (0.099 R)
• M2: 683,213 km (0.061 R)
• M3: 1,155,494 km (0.082 R)
• M4: 2,553,636 km (0.077 R)
• M5: 3,712,421 km (0.07 R)
• M6: 5,220,816 km (0.108 R)
• M7: 8,581,233 km (0.11 R)
• M8: 11,311,245 km (0.082 R)
• M9: 13,315,407 km (0.065 R)
• M10: 15,494,151 km (0.099 R)
• M11: 16,723,396 km (0.095 R)
• M12: 17,333,756 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.1

Radius: 9.4

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.62 AU - 7.28 AU

Year: 5497 Days

Day: 9.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,312,081 km

• M1: 116,986 km (0.045 R)
• M2: 544,237 km (0.057 R)
• M3: 1,180,178 km (0.073 R)
• M4: 2,032,885 km (0.119 R)
• M5: 2,525,212 km (0.03 R)
• M6: 3,270,509 km (0.044 R)
• M7: 3,727,231 km (0.043 R)
• M8: 4,692,287 km (0.097 R)
• M9: 5,993,938 km (0.11 R)
• M10: 6,299,417 km (0.115 R)
• M11: 7,913,877 km (0.108 R)
• M12: 9,913,402 km (0.103 R)
• M13: 11,466,976 km (0.106 R)
• M14: 12,424,253 km (0.073 R)
• M15: 13,905,720 km (0.085 R)
• M16: 14,226,458 km (0.088 R)
• M17: 16,611,198 km (0.091 R)
• M18: 22,816,817 km (0.101 R)
• M19: 23,188,418 km (0.025 R)
• M20: 24,173,819 km (0.048 R)
• M21: 27,131,219 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.7

Radius: 9.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.99 AU - 6.77 AU

Year: 6104 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,312,081 km

• M1: 125,363 km (0.079 R)
• M2: 772,673 km (0.034 R)
• M3: 1,380,489 km (0.104 R)
• M4: 1,971,102 km (0.109 R)
• M5: 2,427,973 km (0.067 R)
• M6: 3,006,169 km (0.077 R)
• M7: 3,536,643 km (0.084 R)
• M8: 4,214,920 km (0.079 R)
• M9: 5,884,432 km (0.112 R)
• M10: 6,247,955 km (0.088 R)
• M11: 6,626,587 km (0.035 R)
• M12: 8,090,702 km (0.045 R)
• M13: 8,505,836 km (0.119 R)
• M14: 9,118,140 km (0.12 R)
• M15: 10,757,134 km (0.114 R)
• M16: 11,733,709 km (0.057 R)
• M17: 12,538,396 km (0.082 R)
• M18: 15,966,581 km (0.061 R)
• M19: 16,510,369 km (0.115 R)
• M20: 18,216,234 km (0.103 R)
• M21: 20,036,540 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.8

Radius: 6

Gravity: 16.63 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 16.87 AU - 21.17 AU

Year: 31417 Days

Day: 17.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 98,312,081 km

• M1: 76,594 km (0.113 R)
• M2: 440,416 km (0.103 R)
• M3: 657,183 km (0.093 R)
• M4: 896,390 km (0.104 R)
• M5: 1,554,920 km (0.061 R)
• M6: 3,293,696 km (0.052 R)
• M7: 4,038,843 km (0.093 R)
• M8: 4,250,524 km (0.087 R)
• M9: 5,255,074 km (0.079 R)
• M10: 6,314,825 km (0.104 R)
• M11: 7,669,284 km (0.086 R)
• M12: 8,105,213 km (0.083 R)
• M13: 15,117,762 km (0.079 R)
• M14: 16,152,830 km (0.067 R)
• M15: 19,341,210 km (0.11 R)
• M16: 21,506,788 km (0.119 R)
• M17: 22,703,272 km (0.048 R)
• M18: 23,149,074 km (0.081 R)
• M19: 24,755,755 km (0.118 R)
• M20: 25,347,115 km (0.08 R)
• M21: 30,019,506 km (0.102 R)
• M22: 30,691,798 km (0.09 R)
• M23: 33,195,768 km (0.065 R)
• M24: 37,665,901 km (0.057 R)
• M25: 38,447,999 km (0.094 R)
• M26: 40,044,358 km (0.095 R)
• M27: 41,023,177 km (0.118 R)
• M28: 47,052,869 km (0.089 R)
• M29: 48,325,797 km (0.08 R)
• M30: 51,512,381 km (0.091 R)
• M31: 52,669,670 km (0.045 R)
• M32: 56,652,564 km (0.08 R)
• M33: 60,617,955 km (0.091 R)
• M34: 61,475,599 km (0.051 R)
• M35: 67,937,779 km (0.11 R)
• M36: 84,035,257 km (0.11 R)
• M37: 84,834,110 km (0.104 R)
• M38: 88,353,998 km (0.109 R)
• M39: 88,903,920 km (0.109 R)
• M40: 90,289,047 km (0.119 R)
• M41: 94,243,667 km (0.118 R)
• M42: 95,105,799 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 14,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit