🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.92 AU - 1.2 AU

Year: 420 Days

Day: 23.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 19,308,363 km

• M1: 19,897 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.11 AU - 1.45 AU

Year: 558 Days

Day: 18.6 Hours

Environment

Temp: -49 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 19,308,363 km

• M1: 52,210 km (0.105 R)
• M2: 210,484 km (0.043 R)

Asteroid Belt

Center: 2.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.51 AU - 3.61 AU

Year: 2586 Days

Day: 44.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 11

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.31 AU - 5.03 AU

Year: 3885 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,308,363 km

• M1: 136,732 km (0.114 R)
• M2: 587,172 km (0.116 R)
• M3: 991,834 km (0.052 R)
• M4: 1,533,827 km (0.103 R)
• M5: 1,991,297 km (0.111 R)
• M6: 2,817,078 km (0.119 R)
• M7: 3,719,901 km (0.081 R)
• M8: 4,805,383 km (0.109 R)
• M9: 6,423,882 km (0.075 R)
• M10: 7,218,845 km (0.119 R)
• M11: 7,979,251 km (0.086 R)
• M12: 8,446,894 km (0.069 R)
• M13: 9,885,128 km (0.115 R)
• M14: 10,583,002 km (0.108 R)
• M15: 12,251,467 km (0.094 R)
• M16: 13,240,608 km (0.082 R)
• M17: 13,660,230 km (0.029 R)
• M18: 14,575,321 km (0.093 R)
• M19: 15,789,307 km (0.116 R)
• M20: 18,590,677 km (0.104 R)
• M21: 20,323,320 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.6

Radius: 8.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.43 AU - 10.57 AU

Year: 9541 Days

Day: 11.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 19,308,363 km

• M1: 111,151 km (0.114 R)
• M2: 456,274 km (0.047 R)
• M3: 880,383 km (0.092 R)
• M4: 1,687,913 km (0.097 R)
• M5: 2,032,137 km (0.096 R)
• M6: 2,423,186 km (0.085 R)
• M7: 2,749,010 km (0.093 R)
• M8: 3,445,089 km (0.102 R)
• M9: 3,787,668 km (0.042 R)
• M10: 4,203,102 km (0.111 R)
• M11: 4,676,130 km (0.1 R)
• M12: 5,542,900 km (0.09 R)
• M13: 6,513,042 km (0.09 R)
• M14: 7,479,146 km (0.115 R)
• M15: 8,174,476 km (0.094 R)
• M16: 10,901,795 km (0.097 R)
• M17: 11,643,053 km (0.07 R)
• M18: 12,051,904 km (0.117 R)
• M19: 17,203,606 km (0.099 R)
• M20: 21,529,976 km (0.083 R)
• M21: 24,313,693 km (0.095 R)
• M22: 30,681,177 km (0.103 R)
• M23: 33,164,053 km (0.096 R)
• M24: 34,716,579 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.5

Radius: 8.6

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.69 AU - 10.61 AU

Year: 10656 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,308,363 km

• M1: 107,411 km (0.106 R)
• M2: 388,655 km (0.091 R)
• M3: 768,035 km (0.058 R)
• M4: 1,125,874 km (0.105 R)
• M5: 1,709,006 km (0.063 R)
• M6: 2,009,548 km (0.057 R)
• M7: 2,330,585 km (0.1 R)
• M8: 3,604,860 km (0.1 R)
• M9: 4,235,565 km (0.114 R)
• M10: 4,624,519 km (0.061 R)
• M11: 7,286,164 km (0.059 R)
• M12: 8,939,670 km (0.041 R)
• M13: 9,237,818 km (0.063 R)
• M14: 9,542,549 km (0.076 R)
• M15: 13,113,600 km (0.082 R)
• M16: 13,401,875 km (0.114 R)
• M17: 14,041,107 km (0.075 R)
• M18: 16,802,833 km (0.062 R)
• M19: 18,611,022 km (0.111 R)
• M20: 20,033,848 km (0.093 R)
• M21: 22,678,738 km (0.079 R)
• M22: 23,234,344 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.1

Radius: 5.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 12.02 AU - 13.18 AU

Year: 17220 Days

Day: 22.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,308,363 km

• M1: 74,949 km (0.103 R)
• M2: 304,432 km (0.077 R)
• M3: 978,370 km (0.071 R)
• M4: 3,002,280 km (0.033 R)
• M5: 4,186,796 km (0.106 R)
• M6: 5,653,752 km (0.066 R)
• M7: 6,586,495 km (0.114 R)
• M8: 9,958,730 km (0.102 R)
• M9: 12,915,233 km (0.098 R)
• M10: 14,664,032 km (0.109 R)
• M11: 15,745,625 km (0.076 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: 294 - 17,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit