🌌 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: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.5 AU - 0.6 AU

Year: 145 Days

Day: 30 Hours

Environment

Temp: 185 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.8 AU - 0.98 AU

Year: 299 Days

Day: 39.4 Hours

Environment

Temp: 157 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,605,266 km

• M1: 326,572 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.86 AU - 0.98 AU

Year: 315 Days

Day: 20.6 Hours

Environment

Temp: 108 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.05 AU - 1.13 AU

Year: 406 Days

Day: 21.7 Hours

Environment

Temp: 37 °C

Axial Tilt: 14.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 68,605,266 km

• M1: 409,749 km (0.091 R)
• M2: 839,842 km (0.039 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.03 AU - 1.25 AU

Year: 434 Days

Day: 19.5 Hours

Environment

Temp: 34 °C

Axial Tilt: 0 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.77 AU - 2.07 AU

Year: 948 Days

Day: 47.4 Hours

Environment

Temp: -50 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.48 AU - 2.96 AU

Year: 1599 Days

Day: 38.4 Hours

Environment

Temp: -96 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.33 AU - 4.29 AU

Year: 2651 Days

Day: 34.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.04 AU - 6.1 AU

Year: 4069 Days

Day: 35.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,605,266 km

• M1: 733,778 km (0.093 R)

Asteroid Belt

Center: 8.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 12.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 13

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 11.39 AU - 13.45 AU

Year: 15602 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 68,605,266 km

• M1: 263,143 km (0.09 R)
• M2: 668,702 km (0.045 R)
• M3: 750,832 km (0.086 R)
• M4: 904,020 km (0.103 R)
• M5: 1,044,492 km (0.077 R)
• M6: 1,539,512 km (0.104 R)
• M7: 2,261,471 km (0.116 R)
• M8: 3,444,042 km (0.066 R)
• M9: 3,594,388 km (0.081 R)
• M10: 4,624,519 km (0.095 R)
• M11: 4,707,396 km (0.093 R)
• M12: 5,129,412 km (0.117 R)
• M13: 5,301,599 km (0.116 R)
• M14: 6,191,856 km (0.101 R)
• M15: 6,654,412 km (0.079 R)
• M16: 6,842,607 km (0.107 R)
• M17: 7,909,090 km (0.093 R)
• M18: 8,563,581 km (0.099 R)
• M19: 8,717,068 km (0.051 R)
• M20: 8,819,991 km (0.073 R)
• M21: 8,975,124 km (0.09 R)
• M22: 9,498,567 km (0.073 R)
• M23: 10,356,810 km (0.077 R)
• M24: 11,861,017 km (0.065 R)
• M25: 12,032,306 km (0.096 R)
• M26: 12,609,455 km (0.108 R)
• M27: 12,842,828 km (0.063 R)
• M28: 13,018,755 km (0.095 R)
• M29: 13,313,911 km (0.115 R)
• M30: 13,432,542 km (0.066 R)
• M31: 13,730,841 km (0.113 R)
• M32: 14,151,959 km (0.049 R)
• M33: 15,192,561 km (0.072 R)
• M34: 15,879,066 km (0.078 R)
• M35: 16,194,418 km (0.118 R)
• M36: 16,831,406 km (0.107 R)
• M37: 16,959,911 km (0.061 R)
• M38: 18,261,711 km (0.092 R)
• M39: 18,592,173 km (0.057 R)
• M40: 19,058,170 km (0.094 R)
• M41: 19,326,250 km (0.082 R)
• M42: 20,822,677 km (0.107 R)
• M43: 21,584,878 km (0.079 R)
• M44: 22,215,284 km (0.099 R)
• M45: 22,780,764 km (0.069 R)
• M46: 24,651,036 km (0.112 R)
• M47: 26,197,579 km (0.115 R)
• M48: 26,421,078 km (0.079 R)
• M49: 28,613,884 km (0.071 R)
• M50: 30,394,248 km (0.05 R)
• M51: 30,864,584 km (0.105 R)
• M52: 31,258,325 km (0.108 R)
• M53: 32,289,952 km (0.098 R)
• M54: 32,769,862 km (0.116 R)
• M55: 33,010,715 km (0.071 R)
• M56: 33,413,432 km (0.114 R)
• M57: 35,451,404 km (0.105 R)
• M58: 35,781,268 km (0.067 R)
• M59: 37,445,544 km (0.062 R)
• M60: 40,676,708 km (0.092 R)
• M61: 40,763,026 km (0.103 R)
• M62: 42,850,814 km (0.119 R)
• M63: 43,466,260 km (0.054 R)
• M64: 46,497,262 km (0.12 R)
• M65: 46,948,749 km (0.113 R)
• M66: 48,860,759 km (0.072 R)
• M67: 49,044,166 km (0.118 R)
• M68: 49,411,728 km (0.119 R)
• M69: 50,149,545 km (0.037 R)
• M70: 50,519,799 km (0.105 R)
• M71: 51,542,750 km (0.083 R)
• M72: 52,197,240 km (0.11 R)
• M73: 54,177,318 km (0.053 R)
• M74: 54,557,296 km (0.092 R)
• M75: 58,599,880 km (0.093 R)
• M76: 60,952,904 km (0.029 R)
• M77: 61,150,374 km (0.119 R)
• M78: 61,447,026 km (0.11 R)
• M79: 62,041,678 km (0.07 R)
• M80: 62,538,642 km (0.109 R)
• M81: 63,236,815 km (0.111 R)
• M82: 64,439,432 km (0.106 R)
• M83: 64,640,642 km (0.087 R)
• M84: 64,741,321 km (0.11 R)
• M85: 65,144,487 km (0.081 R)
• M86: 66,156,068 km (0.072 R)
• M87: 67,173,034 km (0.111 R)
• M88: 67,274,910 km (0.104 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 18,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit