🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.5 AU - 0.54 AU

Year: 133 Days

Day: 21.5 Hours

Environment

Temp: 246 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,035,432 km

• M1: 312,510 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.74 AU - 0.74 AU

Year: 226 Days

Day: 33.7 Hours

Environment

Temp: 171 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.7 AU - 0.84 AU

Year: 240 Days

Day: 36.1 Hours

Environment

Temp: 142 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.64 AU - 0.94 AU

Year: 249 Days

Day: 38.9 Hours

Environment

Temp: 193 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.72 AU - 0.88 AU

Year: 254 Days

Day: 32.9 Hours

Environment

Temp: 104 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.92 AU - 2.52 AU

Year: 1173 Days

Day: 20.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.13 AU - 2.37 AU

Year: 1197 Days

Day: 46.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 112.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.7 AU - 3.88 AU

Year: 2618 Days

Day: 26.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 16.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340

Radius: 3.8

Gravity: 23.55 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 12.97 AU - 19.75 AU

Year: 23475 Days

Day: 22.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 67,035,432 km

• M1: 524,041 km (0.081 R)
• M2: 729,888 km (0.047 R)
• M3: 1,081,443 km (0.097 R)
• M4: 1,106,575 km (0.093 R)
• M5: 1,368,521 km (0.112 R)
• M6: 1,423,125 km (0.085 R)
• M7: 1,534,725 km (0.066 R)
• M8: 1,795,922 km (0.111 R)
• M9: 1,916,498 km (0.109 R)
• M10: 1,947,166 km (0.115 R)
• M11: 2,261,621 km (0.109 R)
• M12: 2,831,888 km (0.115 R)
• M13: 2,901,750 km (0.088 R)
• M14: 3,333,190 km (0.085 R)
• M15: 4,017,002 km (0.109 R)
• M16: 5,248,492 km (0.084 R)
• M17: 5,464,212 km (0.107 R)
• M18: 5,595,110 km (0.053 R)
• M19: 5,860,048 km (0.062 R)
• M20: 6,401,891 km (0.101 R)
• M21: 7,054,138 km (0.084 R)
• M22: 7,101,561 km (0.113 R)
• M23: 7,244,426 km (0.073 R)
• M24: 7,727,328 km (0.065 R)
• M25: 8,370,599 km (0.076 R)
• M26: 8,521,394 km (0.059 R)
• M27: 9,341,190 km (0.088 R)
• M28: 10,454,647 km (0.091 R)
• M29: 11,721,592 km (0.097 R)
• M30: 12,230,224 km (0.119 R)
• M31: 12,287,221 km (0.068 R)
• M32: 12,977,765 km (0.077 R)
• M33: 13,152,495 km (0.038 R)
• M34: 13,327,824 km (0.089 R)
• M35: 16,112,139 km (0.077 R)
• M36: 16,803,730 km (0.073 R)
• M37: 16,867,160 km (0.116 R)
• M38: 17,956,232 km (0.035 R)
• M39: 18,345,935 km (0.062 R)
• M40: 18,541,908 km (0.114 R)
• M41: 19,398,954 km (0.101 R)
• M42: 19,732,109 km (0.101 R)
• M43: 19,865,849 km (0.034 R)
• M44: 19,999,889 km (0.107 R)
• M45: 20,134,228 km (0.119 R)
• M46: 20,471,421 km (0.096 R)
• M47: 20,946,694 km (0.096 R)
• M48: 22,463,766 km (0.079 R)
• M49: 25,166,251 km (0.076 R)
• M50: 25,602,329 km (0.103 R)
• M51: 25,967,498 km (0.11 R)
• M52: 27,073,624 km (0.099 R)
• M53: 27,669,772 km (0.057 R)
• M54: 31,258,475 km (0.104 R)
• M55: 31,962,183 km (0.07 R)
• M56: 33,067,113 km (0.074 R)
• M57: 33,544,480 km (0.09 R)
• M58: 34,024,091 km (0.114 R)
• M59: 39,954,151 km (0.088 R)
• M60: 40,377,662 km (0.117 R)
• M61: 40,547,456 km (0.103 R)
• M62: 41,657,023 km (0.07 R)
• M63: 42,517,360 km (0.114 R)
• M64: 46,460,312 km (0.089 R)
• M65: 47,262,904 km (0.086 R)
• M66: 48,159,893 km (0.07 R)
• M67: 48,249,951 km (0.088 R)
• M68: 48,340,009 km (0.087 R)
• M69: 48,700,839 km (0.083 R)
• M70: 50,153,135 km (0.086 R)
• M71: 53,193,113 km (0.038 R)
• M72: 53,658,961 km (0.08 R)
• M73: 54,219,654 km (0.11 R)
• M74: 59,256,165 km (0.095 R)
• M75: 63,450,890 km (0.097 R)
• M76: 64,936,397 km (0.101 R)
• M77: 65,234,844 km (0.058 R)
• M78: 65,633,672 km (0.064 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 17,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit