🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.59 AU - 3.03 AU

Year: 1679 Days

Day: 33.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.85 AU - 4.37 AU

Year: 2445 Days

Day: 13.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,300,936 km

• M1: 407,953 km (0.062 R)
• M2: 1,293,872 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.16 AU - 4.5 AU

Year: 2672 Days

Day: 38.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.96 AU - 4.84 AU

Year: 2745 Days

Day: 25.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 13.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.2

Radius: 4.1

Gravity: 46.29 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 12.37 AU - 13.89 AU

Year: 16959 Days

Day: 18.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 45,300,936 km

• M1: 56,997 km (0.115 R)
• M2: 246,088 km (0.076 R)
• M3: 569,968 km (0.081 R)
• M4: 767,287 km (0.053 R)
• M5: 1,058,255 km (0.083 R)
• M6: 1,419,085 km (0.12 R)
• M7: 1,644,829 km (0.051 R)
• M8: 1,784,403 km (0.077 R)
• M9: 2,168,421 km (0.086 R)
• M10: 2,675,558 km (0.053 R)
• M11: 3,769,118 km (0.109 R)
• M12: 4,565,727 km (0.059 R)
• M13: 4,737,615 km (0.071 R)
• M14: 8,009,919 km (0.043 R)
• M15: 9,368,716 km (0.106 R)
• M16: 9,815,864 km (0.073 R)
• M17: 10,513,140 km (0.08 R)
• M18: 10,752,646 km (0.077 R)
• M19: 12,734,519 km (0.118 R)
• M20: 14,353,467 km (0.11 R)
• M21: 17,237,265 km (0.067 R)
• M22: 18,078,155 km (0.063 R)
• M23: 19,569,945 km (0.066 R)
• M24: 30,276,365 km (0.082 R)
• M25: 30,883,284 km (0.061 R)
• M26: 36,715,057 km (0.114 R)
• M27: 37,405,003 km (0.053 R)
• M28: 40,985,329 km (0.091 R)
• M29: 41,281,233 km (0.048 R)
• M30: 44,630,879 km (0.109 R)
• M31: 44,943,987 km (0.079 R)
• M32: 47,015,768 km (0.106 R)
• M33: 51,692,198 km (0.065 R)
• M34: 52,210,854 km (0.047 R)
• M35: 52,384,537 km (0.105 R)
• M36: 52,733,100 km (0.051 R)
• M37: 52,907,980 km (0.098 R)
• M38: 54,677,573 km (0.081 R)
• M39: 57,590,393 km (0.078 R)
• M40: 60,413,455 km (0.041 R)
• M41: 62,933,730 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701

Radius: 3.9

Gravity: 46.09 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 13.43 AU - 13.61 AU

Year: 17720 Days

Day: 21.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,300,936 km

• M1: 48,919 km (0.091 R)
• M2: 173,683 km (0.074 R)
• M3: 780,751 km (0.097 R)
• M4: 1,075,309 km (0.089 R)
• M5: 1,424,321 km (0.112 R)
• M6: 1,754,633 km (0.091 R)
• M7: 1,900,342 km (0.109 R)
• M8: 2,588,642 km (0.069 R)
• M9: 5,629,218 km (0.042 R)
• M10: 5,866,630 km (0.105 R)
• M11: 6,403,986 km (0.117 R)
• M12: 7,018,683 km (0.079 R)
• M13: 9,043,939 km (0.11 R)
• M14: 10,571,633 km (0.093 R)
• M15: 15,778,835 km (0.036 R)
• M16: 16,171,380 km (0.105 R)
• M17: 16,813,005 km (0.095 R)
• M18: 17,722,710 km (0.088 R)
• M19: 18,232,540 km (0.118 R)
• M20: 20,093,836 km (0.101 R)
• M21: 20,929,041 km (0.102 R)
• M22: 22,767,599 km (0.111 R)
• M23: 23,067,393 km (0.115 R)
• M24: 24,711,025 km (0.04 R)
• M25: 29,275,705 km (0.099 R)
• M26: 30,468,449 km (0.084 R)
• M27: 31,445,772 km (0.104 R)
• M28: 34,634,301 km (0.12 R)
• M29: 36,784,022 km (0.113 R)
• M30: 38,312,613 km (0.078 R)
• M31: 44,227,563 km (0.115 R)
• M32: 44,694,309 km (0.113 R)
• M33: 45,321,573 km (0.069 R)
• M34: 52,093,868 km (0.079 R)
• M35: 64,559,559 km (0.065 R)
• M36: 70,732,117 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.7

Radius: 3.9

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 12.93 AU - 15.25 AU

Year: 18852 Days

Day: 19.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,300,936 km

• M1: 48,619 km (0.046 R)
• M2: 308,022 km (0.094 R)
• M3: 714,031 km (0.028 R)
• M4: 929,302 km (0.088 R)
• M5: 1,294,919 km (0.087 R)
• M6: 2,090,181 km (0.111 R)
• M7: 2,816,330 km (0.08 R)
• M8: 4,172,135 km (0.111 R)
• M9: 5,773,131 km (0.111 R)
• M10: 8,696,423 km (0.112 R)
• M11: 9,248,140 km (0.114 R)
• M12: 11,635,274 km (0.072 R)
• M13: 11,855,631 km (0.089 R)
• M14: 13,903,925 km (0.051 R)
• M15: 14,152,108 km (0.114 R)
• M16: 14,849,833 km (0.103 R)
• M17: 18,684,774 km (0.117 R)
• M18: 19,369,334 km (0.078 R)
• M19: 23,567,050 km (0.048 R)
• M20: 25,366,114 km (0.084 R)
• M21: 25,643,768 km (0.069 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 19,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit