🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.59 AU - 0.89 AU

Year: 223 Days

Day: 30.6 Hours

Environment

Temp: 130 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.16 AU - 1.84 AU

Year: 643 Days

Day: 45.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.04 AU - 2.18 AU

Year: 1072 Days

Day: 31.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,013,263 km

• M1: 1,728,454 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.39 AU - 4.23 AU

Year: 2602 Days

Day: 19.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,013,263 km

• M1: 206,595 km (0.061 R)
• M2: 1,014,722 km (0.057 R)

Asteroid Belt

Center: 4.77 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 14.7

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.92 AU - 6.52 AU

Year: 4786 Days

Day: 8.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,013,263 km

• M1: 185,651 km (0.076 R)
• M2: 719,267 km (0.044 R)
• M3: 1,454,540 km (0.064 R)
• M4: 2,021,217 km (0.039 R)
• M5: 2,566,501 km (0.078 R)
• M6: 3,655,574 km (0.071 R)
• M7: 4,188,890 km (0.049 R)
• M8: 4,723,553 km (0.033 R)
• M9: 5,331,070 km (0.113 R)
• M10: 5,901,636 km (0.077 R)
• M11: 7,791,057 km (0.096 R)
• M12: 11,573,041 km (0.094 R)
• M13: 12,239,948 km (0.097 R)
• M14: 14,020,462 km (0.105 R)
• M15: 15,112,377 km (0.115 R)
• M16: 17,342,582 km (0.072 R)
• M17: 18,600,700 km (0.113 R)
• M18: 19,120,702 km (0.1 R)
• M19: 19,650,428 km (0.076 R)
• M20: 21,653,245 km (0.064 R)
• M21: 22,447,460 km (0.039 R)
• M22: 23,486,267 km (0.112 R)
• M23: 24,094,233 km (0.113 R)
• M24: 24,634,730 km (0.12 R)
• M25: 26,142,677 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.9

Radius: 10.1

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.64 AU - 7.58 AU

Year: 6633 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,013,263 km

• M1: 125,662 km (0.108 R)
• M2: 496,815 km (0.107 R)
• M3: 826,379 km (0.084 R)
• M4: 1,821,952 km (0.111 R)
• M5: 2,335,223 km (0.115 R)
• M6: 3,480,843 km (0.08 R)
• M7: 3,830,005 km (0.081 R)
• M8: 4,275,058 km (0.097 R)
• M9: 4,599,237 km (0.096 R)
• M10: 4,939,722 km (0.101 R)
• M11: 5,353,809 km (0.116 R)
• M12: 8,116,432 km (0.107 R)
• M13: 8,460,059 km (0.042 R)
• M14: 8,933,087 km (0.058 R)
• M15: 9,718,326 km (0.06 R)
• M16: 10,548,894 km (0.113 R)
• M17: 13,063,933 km (0.031 R)
• M18: 13,696,732 km (0.106 R)
• M19: 15,426,084 km (0.114 R)
• M20: 16,252,911 km (0.072 R)
• M21: 17,296,506 km (0.113 R)
• M22: 19,858,220 km (0.039 R)
• M23: 21,773,521 km (0.104 R)
• M24: 23,808,800 km (0.117 R)
• M25: 24,912,533 km (0.07 R)
• M26: 25,967,797 km (0.042 R)
• M27: 27,137,203 km (0.118 R)
• M28: 27,821,015 km (0.041 R)
• M29: 28,254,101 km (0.101 R)
• M30: 30,763,605 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 12.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 10.16 AU - 11.76 AU

Year: 12694 Days

Day: 8.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,013,263 km

• M1: 158,424 km (0.119 R)
• M2: 616,792 km (0.077 R)
• M3: 1,164,021 km (0.111 R)
• M4: 1,706,762 km (0.044 R)
• M5: 2,379,354 km (0.091 R)
• M6: 3,338,276 km (0.066 R)
• M7: 4,092,699 km (0.056 R)
• M8: 5,467,204 km (0.075 R)
• M9: 9,580,996 km (0.08 R)
• M10: 10,222,172 km (0.073 R)
• M11: 10,944,431 km (0.079 R)
• M12: 13,805,041 km (0.077 R)
• M13: 15,407,833 km (0.108 R)
• M14: 16,288,665 km (0.119 R)
• M15: 19,365,295 km (0.056 R)
• M16: 21,370,056 km (0.109 R)
• M17: 23,775,739 km (0.068 R)
• M18: 30,676,091 km (0.085 R)
• M19: 31,207,163 km (0.112 R)
• M20: 33,954,977 km (0.112 R)
• M21: 35,097,904 km (0.111 R)
• M22: 36,030,647 km (0.105 R)
• M23: 37,340,077 km (0.081 R)
• M24: 39,300,857 km (0.063 R)
• M25: 44,909,580 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.6

Radius: 13.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.94 AU - 12.94 AU

Year: 14434 Days

Day: 9.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,013,263 km

• M1: 164,408 km (0.049 R)
• M2: 667,057 km (0.114 R)
• M3: 1,364,632 km (0.086 R)
• M4: 3,733,215 km (0.115 R)
• M5: 4,831,263 km (0.12 R)
• M6: 6,353,870 km (0.111 R)
• M7: 9,231,685 km (0.091 R)
• M8: 12,767,131 km (0.117 R)
• M9: 16,687,792 km (0.082 R)
• M10: 20,763,736 km (0.055 R)
• M11: 21,686,007 km (0.102 R)
• M12: 22,200,324 km (0.071 R)
• M13: 26,516,671 km (0.104 R)
• M14: 32,800,530 km (0.089 R)
• M15: 33,592,800 km (0.045 R)
• M16: 36,406,437 km (0.082 R)
• M17: 38,868,369 km (0.114 R)
• M18: 43,984,766 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.1

Radius: 6.3

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 11.24 AU - 16.38 AU

Year: 17954 Days

Day: 24.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,013,263 km

• M1: 78,389 km (0.111 R)
• M2: 421,118 km (0.115 R)
• M3: 657,782 km (0.101 R)
• M4: 1,143,077 km (0.113 R)
• M5: 1,945,820 km (0.11 R)
• M6: 4,433,183 km (0.109 R)
• M7: 4,810,768 km (0.093 R)
• M8: 5,522,854 km (0.101 R)
• M9: 5,885,629 km (0.066 R)
• M10: 11,566,159 km (0.059 R)
• M11: 15,017,981 km (0.091 R)
• M12: 15,298,177 km (0.086 R)
• M13: 17,588,670 km (0.07 R)
• M14: 17,821,744 km (0.107 R)
• M15: 20,352,940 km (0.086 R)
• M16: 25,515,114 km (0.101 R)
• M17: 26,724,612 km (0.105 R)
• M18: 28,183,341 km (0.06 R)
• M19: 28,609,695 km (0.112 R)
• M20: 32,525,868 km (0.097 R)
• M21: 35,780,370 km (0.036 R)
• M22: 37,166,245 km (0.118 R)
• M23: 37,550,412 km (0.079 R)
• M24: 40,583,658 km (0.1 R)
• M25: 41,538,242 km (0.064 R)
• M26: 43,492,290 km (0.092 R)
• M27: 54,846,768 km (0.054 R)

Kuiper Belt

Range: 31.4 - 50.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 14,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit