🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.75 AU - 1.01 AU

Year: 302 Days

Day: 38.2 Hours

Environment

Temp: 95 °C

Axial Tilt: 96.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.66 AU - 1.98 AU

Year: 897 Days

Day: 21.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.86 AU - 2.42 AU

Year: 1143 Days

Day: 29.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,834,142 km

• M1: 742,454 km (0.063 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.96 AU - 3.2 AU

Year: 1514 Days

Day: 25.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,834,142 km

• M1: 682,166 km (0.119 R)

Asteroid Belt

Center: 4.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 8.7

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.27 AU - 6.23 AU

Year: 5036 Days

Day: 12.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,834,142 km

• M1: 108,458 km (0.08 R)
• M2: 407,355 km (0.071 R)
• M3: 705,952 km (0.08 R)
• M4: 1,375,403 km (0.049 R)
• M5: 2,209,710 km (0.11 R)
• M6: 2,801,370 km (0.118 R)
• M7: 3,389,140 km (0.066 R)
• M8: 5,418,435 km (0.095 R)
• M9: 6,491,949 km (0.084 R)
• M10: 8,186,295 km (0.09 R)
• M11: 9,384,274 km (0.091 R)
• M12: 10,112,816 km (0.051 R)
• M13: 11,158,056 km (0.115 R)
• M14: 11,828,404 km (0.107 R)
• M15: 12,678,420 km (0.066 R)
• M16: 13,892,406 km (0.118 R)
• M17: 18,919,643 km (0.03 R)
• M18: 20,011,258 km (0.045 R)
• M19: 21,144,313 km (0.047 R)
• M20: 21,434,084 km (0.108 R)
• M21: 24,479,896 km (0.11 R)
• M22: 24,960,405 km (0.075 R)
• M23: 26,189,202 km (0.094 R)
• M24: 26,945,568 km (0.082 R)
• M25: 27,371,922 km (0.118 R)
• M26: 27,889,531 km (0.097 R)
• M27: 28,855,484 km (0.104 R)
• M28: 29,662,415 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.7

Radius: 13.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.21 AU - 7.39 AU

Year: 5776 Days

Day: 11.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,834,142 km

• M1: 166,802 km (0.048 R)
• M2: 812,316 km (0.089 R)
• M3: 1,510,789 km (0.065 R)
• M4: 2,234,843 km (0.061 R)
• M5: 2,770,553 km (0.086 R)
• M6: 3,218,598 km (0.112 R)
• M7: 3,820,730 km (0.083 R)
• M8: 4,617,488 km (0.053 R)
• M9: 6,359,106 km (0.116 R)
• M10: 8,069,309 km (0.115 R)
• M11: 8,690,140 km (0.114 R)
• M12: 9,620,639 km (0.05 R)
• M13: 10,068,834 km (0.116 R)
• M14: 12,190,431 km (0.061 R)
• M15: 13,761,209 km (0.062 R)
• M16: 16,422,256 km (0.113 R)
• M17: 18,088,327 km (0.074 R)
• M18: 18,898,998 km (0.099 R)
• M19: 19,409,875 km (0.096 R)
• M20: 20,459,304 km (0.109 R)
• M21: 21,066,073 km (0.115 R)
• M22: 21,546,133 km (0.075 R)
• M23: 22,033,672 km (0.083 R)
• M24: 23,030,742 km (0.052 R)
• M25: 23,467,119 km (0.093 R)
• M26: 24,733,764 km (0.085 R)
• M27: 26,281,653 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.5

Radius: 12.2

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.03 AU - 6.85 AU

Year: 5969 Days

Day: 11.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 134.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,834,142 km

• M1: 151,692 km (0.109 R)
• M2: 938,128 km (0.057 R)
• M3: 1,510,789 km (0.105 R)
• M4: 1,960,630 km (0.061 R)
• M5: 2,973,557 km (0.05 R)
• M6: 3,690,579 km (0.037 R)
• M7: 4,546,578 km (0.053 R)
• M8: 4,964,405 km (0.094 R)
• M9: 5,377,595 km (0.041 R)
• M10: 7,303,667 km (0.05 R)
• M11: 8,526,181 km (0.097 R)
• M12: 10,394,060 km (0.079 R)
• M13: 11,073,384 km (0.106 R)
• M14: 17,416,483 km (0.098 R)
• M15: 18,726,213 km (0.114 R)
• M16: 20,323,768 km (0.071 R)
• M17: 21,309,469 km (0.074 R)
• M18: 21,853,257 km (0.111 R)
• M19: 22,968,659 km (0.111 R)
• M20: 26,901,587 km (0.065 R)
• M21: 28,182,294 km (0.112 R)
• M22: 30,766,747 km (0.114 R)
• M23: 31,262,215 km (0.071 R)
• M24: 32,167,282 km (0.082 R)
• M25: 33,924,459 km (0.072 R)
• M26: 35,636,008 km (0.038 R)
• M27: 36,956,808 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.9

Radius: 4.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 14.37 AU - 16.87 AU

Year: 22548 Days

Day: 21.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,834,142 km

• M1: 81,980 km (0.113 R)
• M2: 494,571 km (0.096 R)
• M3: 2,700,690 km (0.056 R)
• M4: 3,674,423 km (0.102 R)
• M5: 8,999,658 km (0.114 R)
• M6: 9,970,698 km (0.074 R)
• M7: 13,361,334 km (0.094 R)
• M8: 14,621,546 km (0.058 R)
• M9: 15,617,120 km (0.076 R)
• M10: 15,958,802 km (0.117 R)
• M11: 18,643,934 km (0.091 R)
• M12: 27,080,805 km (0.076 R)
• M13: 28,072,938 km (0.087 R)
• M14: 45,300,479 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 11,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit