🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.44 AU - 0.68 AU

Year: 152 Days

Day: 41 Hours

Environment

Temp: 225 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.53 AU - 0.65 AU

Year: 164 Days

Day: 30.8 Hours

Environment

Temp: 165 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.71 AU - 0.77 AU

Year: 230 Days

Day: 17.4 Hours

Environment

Temp: 196 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.69 AU - 1.15 AU

Year: 319 Days

Day: 24.1 Hours

Environment

Temp: 79 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.17 AU - 1.41 AU

Year: 530 Days

Day: 14.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,283,337 km

• M1: 72,405 km (0.118 R)
• M2: 862,881 km (0.117 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.52 AU - 2.26 AU

Year: 940 Days

Day: 26.9 Hours

Environment

Temp: -58 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.95 AU - 2.05 AU

Year: 1023 Days

Day: 21 Hours

Environment

Temp: -70 °C

Axial Tilt: 147.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.95 AU - 3.79 AU

Year: 2237 Days

Day: 12.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 16.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.7

Radius: 3.9

Gravity: 26.67 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 12.41 AU - 20.43 AU

Year: 24063 Days

Day: 17.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 72,283,337 km

• M1: 82,129 km (0.117 R)
• M2: 461,958 km (0.112 R)
• M3: 648,208 km (0.076 R)
• M4: 1,005,746 km (0.096 R)
• M5: 2,264,613 km (0.117 R)
• M6: 2,401,644 km (0.097 R)
• M7: 2,436,351 km (0.06 R)
• M8: 2,506,213 km (0.106 R)
• M9: 2,756,042 km (0.059 R)
• M10: 2,792,394 km (0.101 R)
• M11: 2,865,547 km (0.027 R)
• M12: 3,711,374 km (0.093 R)
• M13: 5,610,967 km (0.079 R)
• M14: 5,703,419 km (0.103 R)
• M15: 6,030,889 km (0.066 R)
• M16: 6,078,161 km (0.106 R)
• M17: 6,316,471 km (0.099 R)
• M18: 7,400,906 km (0.078 R)
• M19: 7,502,333 km (0.097 R)
• M20: 7,860,919 km (0.058 R)
• M21: 7,964,441 km (0.099 R)
• M22: 8,068,262 km (0.064 R)
• M23: 8,330,058 km (0.051 R)
• M24: 8,862,028 km (0.106 R)
• M25: 9,077,898 km (0.096 R)
• M26: 10,070,330 km (0.034 R)
• M27: 10,295,625 km (0.116 R)
• M28: 10,408,870 km (0.103 R)
• M29: 11,799,382 km (0.065 R)
• M30: 11,917,864 km (0.103 R)
• M31: 12,455,968 km (0.037 R)
• M32: 12,697,718 km (0.096 R)
• M33: 13,063,185 km (0.102 R)
• M34: 13,866,825 km (0.101 R)
• M35: 14,180,083 km (0.113 R)
• M36: 14,369,175 km (0.072 R)
• M37: 15,521,377 km (0.073 R)
• M38: 17,103,076 km (0.113 R)
• M39: 17,845,081 km (0.106 R)
• M40: 18,528,594 km (0.118 R)
• M41: 19,921,200 km (0.111 R)
• M42: 20,062,271 km (0.101 R)
• M43: 22,364,732 km (0.106 R)
• M44: 22,584,791 km (0.107 R)
• M45: 24,749,173 km (0.07 R)
• M46: 25,357,886 km (0.101 R)
• M47: 25,587,369 km (0.101 R)
• M48: 26,048,430 km (0.092 R)
• M49: 26,280,008 km (0.115 R)
• M50: 26,512,333 km (0.06 R)
• M51: 26,978,779 km (0.11 R)
• M52: 27,056,869 km (0.102 R)
• M53: 28,474,010 km (0.057 R)
• M54: 30,157,584 km (0.091 R)
• M55: 30,238,517 km (0.059 R)
• M56: 30,319,599 km (0.11 R)
• M57: 30,400,830 km (0.071 R)
• M58: 30,888,968 km (0.067 R)
• M59: 31,626,187 km (0.109 R)
• M60: 31,708,465 km (0.063 R)
• M61: 32,203,634 km (0.118 R)
• M62: 34,632,356 km (0.103 R)
• M63: 36,169,324 km (0.119 R)
• M64: 38,077,744 km (0.074 R)
• M65: 40,732,508 km (0.1 R)
• M66: 41,720,752 km (0.087 R)
• M67: 42,082,031 km (0.071 R)
• M68: 42,263,044 km (0.086 R)
• M69: 42,716,774 km (0.114 R)
• M70: 43,081,045 km (0.116 R)
• M71: 43,904,133 km (0.063 R)
• M72: 45,287,464 km (0.041 R)
• M73: 46,217,664 km (0.088 R)
• M74: 46,685,157 km (0.113 R)
• M75: 47,813,424 km (0.091 R)
• M76: 48,380,999 km (0.115 R)
• M77: 49,141,105 km (0.118 R)
• M78: 49,331,693 km (0.078 R)
• M79: 51,638,642 km (0.087 R)
• M80: 53,000,581 km (0.082 R)
• M81: 53,196,105 km (0.103 R)
• M82: 56,956,098 km (0.033 R)
• M83: 57,557,631 km (0.063 R)
• M84: 58,564,724 km (0.095 R)
• M85: 59,577,651 km (0.074 R)
• M86: 60,188,310 km (0.062 R)
• M87: 60,903,238 km (0.098 R)
• M88: 61,415,611 km (0.076 R)
• M89: 61,620,859 km (0.119 R)
• M90: 61,826,556 km (0.116 R)
• M91: 63,583,134 km (0.095 R)
• M92: 70,771,761 km (0.058 R)
• M93: 70,879,322 km (0.116 R)
• M94: 71,310,313 km (0.118 R)
• M95: 71,634,192 km (0.065 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 12,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit