🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.68 AU - 0.94 AU

Year: 266 Days

Day: 47.5 Hours

Environment

Temp: 127 °C

Axial Tilt: 2.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 61,087,288 km

• M1: 143,016 km (0.06 R)
• M2: 171,290 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.48 AU - 2.1 AU

Year: 875 Days

Day: 39.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.87 AU - 2.71 AU

Year: 1266 Days

Day: 40.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.8

Radius: 11.4

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.55 AU - 8.75 AU

Year: 6983 Days

Day: 8 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,087,288 km

• M1: 193,879 km (0.117 R)
• M2: 593,604 km (0.086 R)
• M3: 1,033,871 km (0.098 R)
• M4: 1,735,934 km (0.068 R)
• M5: 2,313,232 km (0.061 R)
• M6: 2,695,754 km (0.043 R)
• M7: 3,830,005 km (0.103 R)
• M8: 4,289,420 km (0.112 R)
• M9: 4,643,967 km (0.06 R)
• M10: 5,197,628 km (0.111 R)
• M11: 6,298,519 km (0.109 R)
• M12: 7,905,499 km (0.077 R)
• M13: 10,291,137 km (0.118 R)
• M14: 10,830,437 km (0.094 R)
• M15: 11,965,436 km (0.115 R)
• M16: 13,235,223 km (0.115 R)
• M17: 16,968,288 km (0.114 R)
• M18: 18,497,029 km (0.079 R)
• M19: 19,148,228 km (0.041 R)
• M20: 24,313,843 km (0.065 R)
• M21: 25,271,419 km (0.108 R)
• M22: 28,294,941 km (0.051 R)
• M23: 29,745,741 km (0.093 R)
• M24: 31,042,905 km (0.099 R)
• M25: 36,159,750 km (0.035 R)
• M26: 36,722,986 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365

Radius: 14.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.08 AU - 10.88 AU

Year: 9829 Days

Day: 11 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,087,288 km

• M1: 182,958 km (0.082 R)
• M2: 698,173 km (0.109 R)
• M3: 1,531,882 km (0.058 R)
• M4: 2,247,708 km (0.117 R)
• M5: 2,779,528 km (0.107 R)
• M6: 3,329,899 km (0.096 R)
• M7: 4,228,683 km (0.118 R)
• M8: 5,314,315 km (0.07 R)
• M9: 5,907,022 km (0.043 R)
• M10: 7,188,926 km (0.115 R)
• M11: 7,719,849 km (0.08 R)
• M12: 8,399,771 km (0.074 R)
• M13: 11,476,999 km (0.036 R)
• M14: 14,812,732 km (0.098 R)
• M15: 20,576,439 km (0.105 R)
• M16: 23,911,873 km (0.043 R)
• M17: 25,013,362 km (0.101 R)
• M18: 27,961,488 km (0.113 R)
• M19: 28,615,380 km (0.1 R)
• M20: 30,148,608 km (0.109 R)
• M21: 31,333,872 km (0.085 R)
• M22: 34,968,801 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.3

Radius: 15

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.15 AU - 10.01 AU

Year: 9994 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,087,288 km

• M1: 187,596 km (0.117 R)
• M2: 781,649 km (0.068 R)
• M3: 1,290,282 km (0.081 R)
• M4: 2,045,601 km (0.047 R)
• M5: 3,418,760 km (0.077 R)
• M6: 4,393,540 km (0.082 R)
• M7: 5,043,692 km (0.114 R)
• M8: 5,686,813 km (0.109 R)
• M9: 6,422,536 km (0.116 R)
• M10: 9,359,740 km (0.078 R)
• M11: 10,071,527 km (0.12 R)
• M12: 11,834,987 km (0.113 R)
• M13: 12,607,211 km (0.065 R)
• M14: 13,539,954 km (0.105 R)
• M15: 15,966,581 km (0.113 R)
• M16: 19,965,332 km (0.077 R)
• M17: 21,319,193 km (0.029 R)
• M18: 23,463,678 km (0.053 R)
• M19: 25,260,797 km (0.111 R)
• M20: 27,454,351 km (0.095 R)
• M21: 29,234,416 km (0.119 R)
• M22: 31,990,457 km (0.08 R)
• M23: 34,674,991 km (0.06 R)
• M24: 38,014,465 km (0.094 R)
• M25: 50,227,485 km (0.037 R)
• M26: 51,779,862 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.3

Radius: 4.1

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 16.39 AU - 22.17 AU

Year: 30921 Days

Day: 18.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,087,288 km

• M1: 63,579 km (0.115 R)
• M2: 191,336 km (0.085 R)
• M3: 330,163 km (0.102 R)
• M4: 1,004,699 km (0.104 R)
• M5: 2,735,846 km (0.097 R)
• M6: 4,135,783 km (0.067 R)
• M7: 4,670,595 km (0.065 R)
• M8: 12,522,987 km (0.073 R)
• M9: 15,024,114 km (0.058 R)
• M10: 21,529,378 km (0.089 R)
• M11: 23,600,560 km (0.083 R)
• M12: 25,289,071 km (0.11 R)
• M13: 33,581,431 km (0.113 R)
• M14: 34,199,420 km (0.105 R)
• M15: 44,694,907 km (0.095 R)
• M16: 44,992,906 km (0.072 R)
• M17: 48,829,942 km (0.063 R)
• M18: 51,560,103 km (0.092 R)
• M19: 60,721,776 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 15,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit