🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.33 AU - 1.47 AU

Year: 605 Days

Day: 23 Hours

Environment

Temp: -27 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.05 AU - 2.19 AU

Year: 1127 Days

Day: 13.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.85 AU - 4.59 AU

Year: 2621 Days

Day: 38.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.6

Radius: 13.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.31 AU - 8.07 AU

Year: 7789 Days

Day: 12.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,473,719 km

• M1: 169,644 km (0.12 R)
• M2: 651,200 km (0.101 R)
• M3: 1,155,644 km (0.102 R)
• M4: 3,259,438 km (0.057 R)
• M5: 5,467,054 km (0.114 R)
• M6: 6,386,931 km (0.068 R)
• M7: 8,353,246 km (0.112 R)
• M8: 12,999,008 km (0.09 R)
• M9: 13,447,053 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.7

Radius: 6.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 12.45 AU - 13.33 AU

Year: 16903 Days

Day: 15.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,473,719 km

• M1: 75,846 km (0.065 R)
• M2: 429,346 km (0.03 R)
• M3: 1,931,757 km (0.096 R)
• M4: 2,183,979 km (0.069 R)
• M5: 3,272,005 km (0.101 R)
• M6: 5,494,131 km (0.097 R)
• M7: 5,731,244 km (0.052 R)
• M8: 6,030,290 km (0.084 R)
• M9: 6,254,238 km (0.109 R)
• M10: 6,778,579 km (0.103 R)
• M11: 8,048,216 km (0.057 R)
• M12: 10,238,179 km (0.056 R)
• M13: 12,842,528 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.2

Radius: 7

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 11.6 AU - 17.74 AU

Year: 20523 Days

Day: 15.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,473,719 km

• M1: 87,066 km (0.089 R)
• M2: 380,427 km (0.11 R)
• M3: 649,554 km (0.083 R)
• M4: 1,225,655 km (0.108 R)
• M5: 1,581,399 km (0.087 R)
• M6: 1,855,612 km (0.074 R)
• M7: 2,243,070 km (0.094 R)
• M8: 3,450,176 km (0.108 R)
• M9: 3,854,389 km (0.079 R)
• M10: 4,519,651 km (0.067 R)
• M11: 4,827,224 km (0.1 R)
• M12: 7,814,245 km (0.112 R)
• M13: 8,928,599 km (0.093 R)
• M14: 10,793,337 km (0.089 R)
• M15: 12,971,332 km (0.107 R)
• M16: 15,811,747 km (0.093 R)
• M17: 16,601,773 km (0.109 R)
• M18: 18,691,656 km (0.112 R)
• M19: 23,284,909 km (0.064 R)
• M20: 25,571,961 km (0.072 R)
• M21: 35,950,762 km (0.05 R)
• M22: 46,386,111 km (0.112 R)
• M23: 48,328,490 km (0.118 R)
• M24: 51,857,055 km (0.054 R)
• M25: 52,374,663 km (0.066 R)
• M26: 53,245,173 km (0.087 R)
• M27: 54,480,104 km (0.119 R)
• M28: 54,836,296 km (0.095 R)
• M29: 61,518,235 km (0.091 R)
• M30: 64,654,554 km (0.113 R)
• M31: 67,895,742 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.4

Radius: 3

Gravity: 56.04 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 12.77 AU - 17.24 AU

Year: 21219 Days

Day: 17.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 71,473,719 km

• M1: 42,635 km (0.105 R)
• M2: 157,676 km (0.101 R)
• M3: 278,402 km (0.056 R)
• M4: 426,803 km (0.058 R)
• M5: 1,366,726 km (0.103 R)
• M6: 1,779,616 km (0.054 R)
• M7: 2,378,157 km (0.119 R)
• M8: 2,699,045 km (0.096 R)
• M9: 2,945,283 km (0.076 R)
• M10: 3,398,116 km (0.103 R)
• M11: 3,597,380 km (0.112 R)
• M12: 4,274,909 km (0.086 R)
• M13: 5,180,125 km (0.087 R)
• M14: 5,405,869 km (0.112 R)
• M15: 7,597,029 km (0.114 R)
• M16: 8,187,043 km (0.066 R)
• M17: 8,288,320 km (0.114 R)
• M18: 10,315,372 km (0.049 R)
• M19: 10,672,611 km (0.082 R)
• M20: 11,161,497 km (0.089 R)
• M21: 11,665,044 km (0.085 R)
• M22: 11,793,399 km (0.065 R)
• M23: 13,975,433 km (0.08 R)
• M24: 15,467,522 km (0.041 R)
• M25: 15,856,626 km (0.067 R)
• M26: 16,092,991 km (0.053 R)
• M27: 17,984,955 km (0.087 R)
• M28: 19,565,158 km (0.114 R)
• M29: 24,750,669 km (0.102 R)
• M30: 26,258,914 km (0.03 R)
• M31: 27,827,298 km (0.116 R)
• M32: 28,634,379 km (0.077 R)
• M33: 33,937,623 km (0.099 R)
• M34: 34,858,548 km (0.061 R)
• M35: 38,708,898 km (0.104 R)
• M36: 41,328,207 km (0.052 R)
• M37: 42,226,991 km (0.068 R)
• M38: 43,445,316 km (0.105 R)
• M39: 44,063,155 km (0.065 R)
• M40: 44,374,319 km (0.103 R)
• M41: 55,121,579 km (0.105 R)
• M42: 60,706,666 km (0.089 R)
• M43: 67,892,002 km (0.116 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: 320 - 17,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit