🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.48 AU - 0.68 AU

Year: 166 Days

Day: 19.7 Hours

Environment

Temp: 201 °C

Axial Tilt: 19.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,276,756 km

• M1: 62,682 km (0.071 R)
• M2: 98,435 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.98 AU - 1.08 AU

Year: 392 Days

Day: 46.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,276,756 km

• M1: 259,403 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.85 AU - 1.29 AU

Year: 415 Days

Day: 30.2 Hours

Environment

Temp: 2 °C

Axial Tilt: 76.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.55 AU - 2.39 AU

Year: 1036 Days

Day: 46.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.04 AU - 2.08 AU

Year: 1108 Days

Day: 14.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.11 AU - 2.59 AU

Year: 1350 Days

Day: 39.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,276,756 km

• M1: 35,155 km (0.068 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.1 AU - 3.76 AU

Year: 2381 Days

Day: 15.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 10.5

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.94 AU - 8 AU

Year: 6167 Days

Day: 12.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,276,756 km

• M1: 130,898 km (0.067 R)
• M2: 506,389 km (0.1 R)
• M3: 907,311 km (0.101 R)
• M4: 1,897,350 km (0.112 R)
• M5: 4,569,916 km (0.056 R)
• M6: 5,431,300 km (0.053 R)
• M7: 6,370,625 km (0.112 R)
• M8: 6,893,470 km (0.111 R)
• M9: 8,834,502 km (0.09 R)
• M10: 9,173,042 km (0.104 R)
• M11: 10,729,309 km (0.094 R)
• M12: 13,361,483 km (0.05 R)
• M13: 18,020,410 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.8

Radius: 12.1

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.84 AU - 9.52 AU

Year: 8767 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,276,756 km

• M1: 151,842 km (0.098 R)
• M2: 729,140 km (0.104 R)
• M3: 2,063,703 km (0.081 R)
• M4: 3,728,428 km (0.085 R)
• M5: 5,375,351 km (0.08 R)
• M6: 5,821,152 km (0.1 R)
• M7: 6,222,972 km (0.032 R)
• M8: 6,860,409 km (0.056 R)
• M9: 7,540,929 km (0.057 R)
• M10: 9,577,405 km (0.087 R)
• M11: 13,689,402 km (0.113 R)
• M12: 17,029,025 km (0.102 R)
• M13: 21,032,713 km (0.096 R)
• M14: 21,504,245 km (0.104 R)
• M15: 25,093,397 km (0.113 R)
• M16: 27,822,062 km (0.103 R)
• M17: 30,642,281 km (0.104 R)
• M18: 33,222,246 km (0.11 R)
• M19: 37,992,773 km (0.056 R)
• M20: 39,164,274 km (0.079 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 8.9

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.82 AU - 11.2 AU

Year: 10990 Days

Day: 14.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,276,756 km

• M1: 114,442 km (0.112 R)
• M2: 406,308 km (0.028 R)
• M3: 773,122 km (0.049 R)
• M4: 1,125,724 km (0.08 R)
• M5: 1,414,747 km (0.095 R)
• M6: 1,818,512 km (0.032 R)
• M7: 2,749,459 km (0.115 R)
• M8: 3,137,815 km (0.113 R)
• M9: 3,885,057 km (0.096 R)
• M10: 4,256,508 km (0.08 R)
• M11: 4,778,006 km (0.094 R)
• M12: 5,801,705 km (0.114 R)
• M13: 6,801,617 km (0.104 R)
• M14: 8,184,948 km (0.083 R)
• M15: 8,749,231 km (0.117 R)
• M16: 10,166,522 km (0.084 R)
• M17: 10,543,658 km (0.107 R)
• M18: 15,051,790 km (0.081 R)
• M19: 16,333,844 km (0.028 R)
• M20: 16,851,602 km (0.109 R)
• M21: 17,764,598 km (0.12 R)
• M22: 18,710,056 km (0.12 R)
• M23: 22,194,490 km (0.053 R)
• M24: 28,781,583 km (0.031 R)
• M25: 29,645,960 km (0.114 R)
• M26: 35,077,110 km (0.112 R)
• M27: 37,449,134 km (0.102 R)
• M28: 38,479,116 km (0.12 R)
• M29: 44,198,242 km (0.112 R)
• M30: 47,558,210 km (0.089 R)
• M31: 48,159,444 km (0.078 R)
• M32: 52,032,533 km (0.045 R)
• M33: 53,314,587 km (0.1 R)
• M34: 54,289,666 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 19,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit