🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.73 AU - 0.85 AU

Year: 259 Days

Day: 45.1 Hours

Environment

Temp: 134 °C

Axial Tilt: 48.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.99 AU - 1.01 AU

Year: 369 Days

Day: 18.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 55,070,464 km

• M1: 117,285 km (0.079 R)
• M2: 607,966 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.38 AU - 1.5 AU

Year: 638 Days

Day: 43.2 Hours

Environment

Temp: -45 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,070,464 km

• M1: 12,117 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.47 AU - 1.99 AU

Year: 840 Days

Day: 16.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.7

Radius: 13

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.17 AU - 5.33 AU

Year: 3820 Days

Day: 7.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,070,464 km

• M1: 162,014 km (0.078 R)
• M2: 606,171 km (0.069 R)
• M3: 1,095,954 km (0.098 R)
• M4: 2,210,309 km (0.112 R)
• M5: 2,911,324 km (0.089 R)
• M6: 4,037,796 km (0.117 R)
• M7: 5,436,387 km (0.04 R)
• M8: 6,344,894 km (0.12 R)
• M9: 6,806,404 km (0.087 R)
• M10: 7,414,669 km (0.119 R)
• M11: 9,240,062 km (0.074 R)
• M12: 10,335,866 km (0.06 R)
• M13: 11,516,642 km (0.117 R)
• M14: 12,249,373 km (0.057 R)
• M15: 13,197,375 km (0.091 R)
• M16: 14,242,166 km (0.047 R)
• M17: 18,744,164 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 12.4

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.82 AU - 6.16 AU

Year: 5409 Days

Day: 10.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,070,464 km

• M1: 284,834 km (0.061 R)
• M2: 871,408 km (0.116 R)
• M3: 1,547,740 km (0.112 R)
• M4: 1,965,417 km (0.09 R)
• M5: 2,380,102 km (0.097 R)
• M6: 3,241,636 km (0.111 R)
• M7: 3,718,554 km (0.104 R)
• M8: 5,097,547 km (0.056 R)
• M9: 5,625,927 km (0.079 R)
• M10: 6,114,963 km (0.062 R)
• M11: 6,901,847 km (0.094 R)
• M12: 7,994,061 km (0.068 R)
• M13: 9,466,404 km (0.104 R)
• M14: 12,610,353 km (0.067 R)
• M15: 13,194,831 km (0.045 R)
• M16: 14,061,003 km (0.067 R)
• M17: 15,572,690 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.9

Radius: 7.8

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 14.01 AU - 15.93 AU

Year: 21370 Days

Day: 19.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,070,464 km

• M1: 97,239 km (0.118 R)
• M2: 529,576 km (0.078 R)
• M3: 1,846,337 km (0.115 R)
• M4: 2,245,614 km (0.073 R)
• M5: 2,629,183 km (0.058 R)
• M6: 3,766,874 km (0.096 R)
• M7: 4,795,809 km (0.037 R)
• M8: 5,126,869 km (0.059 R)
• M9: 18,778,123 km (0.119 R)
• M10: 20,259,591 km (0.113 R)
• M11: 21,817,503 km (0.089 R)
• M12: 30,318,252 km (0.088 R)
• M13: 31,197,140 km (0.114 R)
• M14: 33,802,088 km (0.094 R)
• M15: 38,996,874 km (0.112 R)
• M16: 40,941,646 km (0.089 R)
• M17: 50,060,384 km (0.068 R)
• M18: 51,110,861 km (0.101 R)
• M19: 61,435,657 km (0.116 R)
• M20: 77,869,432 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.1

Radius: 5.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 14.11 AU - 19.69 AU

Year: 25633 Days

Day: 21.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,070,464 km

• M1: 143,315 km (0.101 R)
• M2: 1,527,544 km (0.044 R)
• M3: 2,066,695 km (0.118 R)
• M4: 2,638,158 km (0.097 R)
• M5: 3,725,735 km (0.12 R)
• M6: 4,757,063 km (0.072 R)
• M7: 5,286,938 km (0.073 R)
• M8: 5,818,759 km (0.03 R)
• M9: 6,385,436 km (0.103 R)
• M10: 6,946,876 km (0.095 R)
• M11: 7,628,295 km (0.107 R)
• M12: 7,849,999 km (0.061 R)
• M13: 9,886,774 km (0.09 R)
• M14: 10,097,407 km (0.062 R)
• M15: 11,139,506 km (0.104 R)
• M16: 12,617,234 km (0.105 R)
• M17: 15,245,818 km (0.107 R)
• M18: 15,955,959 km (0.063 R)
• M19: 19,839,969 km (0.093 R)
• M20: 21,379,630 km (0.12 R)
• M21: 28,443,043 km (0.092 R)
• M22: 29,300,538 km (0.102 R)
• M23: 29,845,074 km (0.029 R)
• M24: 30,064,834 km (0.1 R)
• M25: 34,689,353 km (0.12 R)
• M26: 35,667,872 km (0.072 R)
• M27: 40,165,981 km (0.105 R)
• M28: 48,731,207 km (0.091 R)
• M29: 53,436,958 km (0.096 R)
• M30: 54,249,573 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 11,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit