🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.65 AU - 0.71 AU

Year: 216 Days

Day: 33.9 Hours

Environment

Temp: 175 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.84 AU - 1.02 AU

Year: 345 Days

Day: 21.2 Hours

Environment

Temp: -0 °C

Axial Tilt: 43.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.89 AU - 1.21 AU

Year: 414 Days

Day: 37.4 Hours

Environment

Temp: -11 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,494,101 km

• M1: 848,070 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.99 AU - 1.25 AU

Year: 456 Days

Day: 24.8 Hours

Environment

Temp: -3 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.8 AU - 3.44 AU

Year: 2122 Days

Day: 34.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.61 AU - 4.19 AU

Year: 2414 Days

Day: 15.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.8

Radius: 11.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.64 AU - 5.28 AU

Year: 4253 Days

Day: 12.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 27,494,101 km

• M1: 147,354 km (0.088 R)
• M2: 362,326 km (0.115 R)
• M3: 737,817 km (0.096 R)
• M4: 921,672 km (0.06 R)
• M5: 1,045,988 km (0.071 R)
• M6: 1,371,064 km (0.105 R)
• M7: 1,490,593 km (0.113 R)
• M8: 1,576,462 km (0.102 R)
• M9: 1,727,855 km (0.114 R)
• M10: 1,857,706 km (0.066 R)
• M11: 1,977,534 km (0.109 R)
• M12: 2,439,343 km (0.12 R)
• M13: 2,615,569 km (0.038 R)
• M14: 2,765,765 km (0.084 R)
• M15: 3,138,115 km (0.112 R)
• M16: 3,217,850 km (0.034 R)
• M17: 3,794,251 km (0.057 R)
• M18: 3,982,295 km (0.072 R)
• M19: 4,068,613 km (0.095 R)
• M20: 4,420,767 km (0.097 R)
• M21: 4,510,376 km (0.1 R)
• M22: 5,382,232 km (0.083 R)
• M23: 5,555,167 km (0.09 R)
• M24: 5,652,107 km (0.046 R)
• M25: 5,808,287 km (0.102 R)
• M26: 6,590,085 km (0.089 R)
• M27: 6,878,959 km (0.079 R)
• M28: 7,214,058 km (0.051 R)
• M29: 7,511,758 km (0.076 R)
• M30: 7,597,627 km (0.093 R)
• M31: 7,748,571 km (0.062 R)
• M32: 7,835,188 km (0.12 R)
• M33: 7,922,254 km (0.112 R)
• M34: 8,009,620 km (0.103 R)
• M35: 8,163,257 km (0.094 R)
• M36: 8,251,519 km (0.104 R)
• M37: 9,082,984 km (0.107 R)
• M38: 9,312,318 km (0.111 R)
• M39: 9,450,845 km (0.101 R)
• M40: 10,248,801 km (0.104 R)
• M41: 10,391,816 km (0.119 R)
• M42: 10,511,644 km (0.117 R)
• M43: 10,946,375 km (0.086 R)
• M44: 11,387,240 km (0.116 R)
• M45: 11,585,009 km (0.102 R)
• M46: 11,659,508 km (0.106 R)
• M47: 12,210,328 km (0.118 R)
• M48: 13,207,996 km (0.095 R)
• M49: 13,572,416 km (0.117 R)
• M50: 14,019,415 km (0.115 R)
• M51: 14,391,315 km (0.082 R)
• M52: 14,847,140 km (0.053 R)
• M53: 15,009,154 km (0.091 R)
• M54: 15,144,690 km (0.062 R)
• M55: 15,498,788 km (0.109 R)
• M56: 16,215,362 km (0.115 R)
• M57: 16,745,836 km (0.062 R)
• M58: 16,999,105 km (0.081 R)
• M59: 17,140,475 km (0.073 R)
• M60: 17,282,144 km (0.114 R)
• M61: 17,481,110 km (0.11 R)
• M62: 17,680,823 km (0.071 R)
• M63: 17,967,452 km (0.108 R)
• M64: 18,807,444 km (0.081 R)
• M65: 19,070,737 km (0.038 R)
• M66: 19,364,696 km (0.113 R)
• M67: 19,838,323 km (0.027 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.6

Radius: 12

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.84 AU - 6.36 AU

Year: 5102 Days

Day: 6.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 27,494,101 km

• M1: 165,306 km (0.113 R)
• M2: 250,876 km (0.116 R)
• M3: 376,239 km (0.07 R)
• M4: 482,902 km (0.104 R)
• M5: 581,637 km (0.08 R)
• M6: 744,848 km (0.065 R)
• M7: 899,831 km (0.067 R)
• M8: 975,378 km (0.032 R)
• M9: 1,372,261 km (0.117 R)
• M10: 1,612,515 km (0.085 R)
• M11: 1,722,021 km (0.058 R)
• M12: 1,801,757 km (0.118 R)
• M13: 2,099,905 km (0.088 R)
• M14: 2,431,863 km (0.105 R)
• M15: 2,687,376 km (0.084 R)
• M16: 2,818,424 km (0.032 R)
• M17: 3,546,816 km (0.109 R)
• M18: 3,774,504 km (0.103 R)
• M19: 4,006,979 km (0.094 R)
• M20: 4,200,708 km (0.117 R)
• M21: 4,397,579 km (0.092 R)
• M22: 4,755,268 km (0.12 R)
• M23: 4,868,962 km (0.115 R)
• M24: 5,122,381 km (0.076 R)
• M25: 5,451,346 km (0.099 R)
• M26: 5,546,491 km (0.119 R)
• M27: 6,809,246 km (0.087 R)
• M28: 8,239,252 km (0.091 R)
• M29: 8,431,336 km (0.109 R)
• M30: 8,680,416 km (0.104 R)
• M31: 9,413,895 km (0.118 R)
• M32: 9,585,932 km (0.031 R)
• M33: 9,846,083 km (0.07 R)
• M34: 10,255,383 km (0.12 R)
• M35: 10,432,507 km (0.058 R)
• M36: 10,730,057 km (0.085 R)
• M37: 11,242,130 km (0.048 R)
• M38: 11,608,496 km (0.101 R)
• M39: 12,478,557 km (0.088 R)
• M40: 13,273,221 km (0.099 R)
• M41: 13,369,711 km (0.073 R)
• M42: 13,920,680 km (0.108 R)
• M43: 14,018,816 km (0.11 R)
• M44: 14,116,953 km (0.062 R)
• M45: 14,281,211 km (0.068 R)
• M46: 14,578,612 km (0.107 R)
• M47: 14,777,876 km (0.033 R)
• M48: 14,944,678 km (0.048 R)
• M49: 15,179,247 km (0.112 R)
• M50: 15,788,110 km (0.093 R)
• M51: 15,958,652 km (0.116 R)
• M52: 16,095,534 km (0.039 R)
• M53: 16,612,245 km (0.046 R)
• M54: 17,029,623 km (0.101 R)
• M55: 17,309,820 km (0.116 R)
• M56: 17,768,337 km (0.054 R)
• M57: 18,302,402 km (0.106 R)
• M58: 18,589,480 km (0.081 R)
• M59: 19,058,918 km (0.115 R)
• M60: 19,240,680 km (0.1 R)
• M61: 19,825,757 km (0.032 R)
• M62: 20,639,869 km (0.105 R)
• M63: 22,224,409 km (0.092 R)
• M64: 22,645,826 km (0.1 R)
• M65: 22,799,763 km (0.054 R)
• M66: 23,535,635 km (0.09 R)
• M67: 24,004,325 km (0.092 R)
• M68: 24,239,941 km (0.116 R)
• M69: 24,911,486 km (0.089 R)
• M70: 25,990,536 km (0.067 R)
• M71: 26,353,759 km (0.117 R)
• M72: 26,637,247 km (0.096 R)
• M73: 26,921,932 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 12,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit