🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.43 AU - 0.67 AU

Year: 149 Days

Day: 23.2 Hours

Environment

Temp: 164 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,780,461 km

• M1: 33,360 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.67 AU - 0.71 AU

Year: 209 Days

Day: 16.8 Hours

Environment

Temp: 120 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.82 AU - 0.82 AU

Year: 271 Days

Day: 18.2 Hours

Environment

Temp: 178 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,780,461 km

• M1: 408,103 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.65 AU - 2.67 AU

Year: 1160 Days

Day: 26.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.5

Radius: 11

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 9.42 AU - 13.5 AU

Year: 14170 Days

Day: 7.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 109,780,461 km

• M1: 136,882 km (0.104 R)
• M2: 492,027 km (0.114 R)
• M3: 851,212 km (0.082 R)
• M4: 1,436,588 km (0.093 R)
• M5: 2,600,609 km (0.072 R)
• M6: 3,628,197 km (0.081 R)
• M7: 4,339,685 km (0.053 R)
• M8: 6,154,606 km (0.089 R)
• M9: 7,690,527 km (0.058 R)
• M10: 8,476,215 km (0.105 R)
• M11: 9,416,588 km (0.1 R)
• M12: 10,814,430 km (0.103 R)
• M13: 13,292,968 km (0.097 R)
• M14: 18,685,223 km (0.07 R)
• M15: 20,017,541 km (0.064 R)
• M16: 20,969,582 km (0.098 R)
• M17: 21,951,543 km (0.117 R)
• M18: 22,684,872 km (0.06 R)
• M19: 29,150,342 km (0.104 R)
• M20: 33,759,901 km (0.088 R)
• M21: 37,911,092 km (0.036 R)
• M22: 38,966,505 km (0.119 R)
• M23: 40,723,084 km (0.118 R)
• M24: 41,690,383 km (0.107 R)
• M25: 42,390,801 km (0.117 R)
• M26: 46,909,105 km (0.067 R)
• M27: 54,190,183 km (0.077 R)
• M28: 54,856,941 km (0.076 R)
• M29: 56,889,677 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220

Radius: 8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 13.08 AU - 18.28 AU

Year: 22678 Days

Day: 19.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 109,780,461 km

• M1: 99,483 km (0.075 R)
• M2: 382,372 km (0.088 R)
• M3: 653,743 km (0.05 R)
• M4: 983,307 km (0.071 R)
• M5: 1,884,185 km (0.113 R)
• M6: 3,058,379 km (0.078 R)
• M7: 3,428,933 km (0.098 R)
• M8: 4,503,046 km (0.11 R)
• M9: 8,237,457 km (0.098 R)
• M10: 8,520,197 km (0.062 R)
• M11: 9,664,770 km (0.102 R)
• M12: 11,135,318 km (0.08 R)
• M13: 15,347,694 km (0.096 R)
• M14: 15,704,485 km (0.114 R)
• M15: 16,213,268 km (0.044 R)
• M16: 20,514,954 km (0.027 R)
• M17: 21,564,683 km (0.113 R)
• M18: 27,565,053 km (0.044 R)
• M19: 29,495,464 km (0.08 R)
• M20: 29,936,479 km (0.093 R)
• M21: 33,743,595 km (0.09 R)
• M22: 34,712,840 km (0.059 R)
• M23: 36,075,676 km (0.103 R)
• M24: 42,162,963 km (0.095 R)
• M25: 44,865,149 km (0.066 R)
• M26: 45,302,125 km (0.117 R)
• M27: 48,900,851 km (0.068 R)
• M28: 55,648,912 km (0.085 R)
• M29: 55,984,909 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.5

Radius: 7.6

Gravity: 14.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 17.27 AU - 21.99 AU

Year: 31767 Days

Day: 18.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 109,780,461 km

• M1: 95,443 km (0.066 R)
• M2: 662,419 km (0.088 R)
• M3: 1,849,778 km (0.058 R)
• M4: 2,205,821 km (0.096 R)
• M5: 3,145,744 km (0.08 R)
• M6: 3,655,125 km (0.085 R)
• M7: 3,965,092 km (0.101 R)
• M8: 5,786,745 km (0.107 R)
• M9: 9,248,140 km (0.094 R)
• M10: 9,956,935 km (0.115 R)
• M11: 12,453,724 km (0.1 R)
• M12: 13,317,502 km (0.083 R)
• M13: 15,163,988 km (0.026 R)
• M14: 15,695,809 km (0.056 R)
• M15: 17,948,304 km (0.109 R)
• M16: 18,845,741 km (0.108 R)
• M17: 19,877,667 km (0.089 R)
• M18: 21,274,912 km (0.106 R)
• M19: 21,941,370 km (0.078 R)
• M20: 25,484,147 km (0.106 R)
• M21: 26,109,466 km (0.112 R)
• M22: 28,046,908 km (0.106 R)
• M23: 30,776,620 km (0.118 R)
• M24: 33,828,118 km (0.107 R)
• M25: 35,041,805 km (0.079 R)
• M26: 35,970,958 km (0.118 R)
• M27: 38,692,592 km (0.103 R)
• M28: 41,376,677 km (0.048 R)
• M29: 50,365,115 km (0.119 R)
• M30: 51,547,985 km (0.087 R)
• M31: 52,951,064 km (0.078 R)
• M32: 61,238,038 km (0.093 R)
• M33: 63,493,974 km (0.1 R)
• M34: 75,353,195 km (0.077 R)
• M35: 76,123,774 km (0.086 R)
• M36: 78,466,926 km (0.111 R)
• M37: 84,396,387 km (0.087 R)
• M38: 84,672,844 km (0.088 R)
• M39: 96,834,702 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 12,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit