🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.4 AU - 0.66 AU

Year: 172 Days

Day: 28.3 Hours

Environment

Temp: 35 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.98 AU - 1.12 AU

Year: 480 Days

Day: 17.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.37 AU - 1.73 AU

Year: 861 Days

Day: 25.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.6 AU - 2.48 AU

Year: 1300 Days

Day: 31 Hours

Environment

Temp: -134 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,675,058 km

• M1: 799,601 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.14 AU - 2.46 AU

Year: 1556 Days

Day: 40.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,675,058 km

• M1: 1,829,881 km (0.072 R)

Asteroid Belt

Center: 7.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.3

Radius: 6.6

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 10.8 AU - 12.9 AU

Year: 18202 Days

Day: 23.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 53,675,058 km

• M1: 95,593 km (0.109 R)
• M2: 170,841 km (0.08 R)
• M3: 257,009 km (0.083 R)
• M4: 448,195 km (0.096 R)
• M5: 494,870 km (0.047 R)
• M6: 645,664 km (0.066 R)
• M7: 717,621 km (0.087 R)
• M8: 811,419 km (0.066 R)
• M9: 889,509 km (0.12 R)
• M10: 1,139,188 km (0.1 R)
• M11: 1,182,870 km (0.106 R)
• M12: 1,457,382 km (0.096 R)
• M13: 2,010,745 km (0.066 R)
• M14: 2,337,766 km (0.107 R)
• M15: 2,478,986 km (0.081 R)
• M16: 2,710,863 km (0.119 R)
• M17: 3,071,843 km (0.068 R)
• M18: 3,576,586 km (0.093 R)
• M19: 4,415,830 km (0.085 R)
• M20: 5,462,117 km (0.119 R)
• M21: 6,109,577 km (0.074 R)
• M22: 7,476,004 km (0.11 R)
• M23: 7,726,580 km (0.111 R)
• M24: 7,768,617 km (0.106 R)
• M25: 8,022,485 km (0.075 R)
• M26: 8,495,065 km (0.084 R)
• M27: 8,581,831 km (0.106 R)
• M28: 8,888,357 km (0.096 R)
• M29: 11,370,037 km (0.105 R)
• M30: 11,851,592 km (0.099 R)
• M31: 12,143,906 km (0.066 R)
• M32: 12,438,465 km (0.099 R)
• M33: 14,669,567 km (0.099 R)
• M34: 14,773,987 km (0.104 R)
• M35: 15,404,990 km (0.105 R)
• M36: 16,152,381 km (0.083 R)
• M37: 16,422,256 km (0.114 R)
• M38: 16,856,987 km (0.068 R)
• M39: 16,911,590 km (0.055 R)
• M40: 17,130,602 km (0.087 R)
• M41: 17,516,115 km (0.097 R)
• M42: 17,904,621 km (0.118 R)
• M43: 18,239,870 km (0.059 R)
• M44: 18,295,969 km (0.043 R)
• M45: 19,030,046 km (0.056 R)
• M46: 21,348,663 km (0.115 R)
• M47: 21,942,118 km (0.059 R)
• M48: 22,480,970 km (0.084 R)
• M49: 23,024,010 km (0.091 R)
• M50: 23,084,597 km (0.104 R)
• M51: 23,145,334 km (0.103 R)
• M52: 23,510,353 km (0.108 R)
• M53: 23,571,388 km (0.043 R)
• M54: 23,816,131 km (0.115 R)
• M55: 24,000,136 km (0.077 R)
• M56: 24,123,105 km (0.093 R)
• M57: 24,308,008 km (0.116 R)
• M58: 24,555,294 km (0.046 R)
• M59: 24,679,161 km (0.065 R)
• M60: 24,989,876 km (0.082 R)
• M61: 25,929,649 km (0.054 R)
• M62: 26,944,970 km (0.097 R)
• M63: 27,072,727 km (0.087 R)
• M64: 27,521,670 km (0.116 R)
• M65: 27,585,997 km (0.051 R)
• M66: 29,869,160 km (0.088 R)
• M67: 30,799,210 km (0.078 R)
• M68: 31,873,921 km (0.103 R)
• M69: 31,941,389 km (0.064 R)
• M70: 32,144,394 km (0.053 R)
• M71: 34,822,196 km (0.052 R)
• M72: 35,031,034 km (0.114 R)
• M73: 35,590,231 km (0.065 R)
• M74: 36,788,211 km (0.108 R)
• M75: 37,001,089 km (0.025 R)
• M76: 37,285,474 km (0.058 R)
• M77: 37,499,100 km (0.067 R)
• M78: 38,358,240 km (0.042 R)
• M79: 39,151,408 km (0.109 R)
• M80: 39,804,253 km (0.1 R)
• M81: 39,877,108 km (0.069 R)
• M82: 40,241,678 km (0.082 R)
• M83: 40,753,901 km (0.05 R)
• M84: 41,268,218 km (0.071 R)
• M85: 46,912,396 km (0.047 R)
• M86: 47,683,125 km (0.115 R)
• M87: 50,019,993 km (0.045 R)
• M88: 50,570,663 km (0.067 R)
• M89: 52,633,468 km (0.095 R)
• M90: 52,953,158 km (0.085 R)
• M91: 53,033,193 km (0.113 R)
• M92: 53,193,412 km (0.118 R)
• M93: 53,353,781 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 13,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit