🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.47 AU - 0.75 AU

Year: 303 Days

Day: 40.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.8

Radius: 10.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.91 AU - 1.05 AU

Year: 617 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,095,010 km

• M1: 128,804 km (0.119 R)
• M2: 483,500 km (0.111 R)
• M3: 862,432 km (0.096 R)
• M4: 1,506,301 km (0.117 R)
• M5: 1,983,369 km (0.057 R)
• M6: 2,747,963 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 13.3

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.05 AU - 3.91 AU

Year: 4128 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,095,010 km

• M1: 170,242 km (0.115 R)
• M2: 694,882 km (0.071 R)
• M3: 1,180,477 km (0.06 R)
• M4: 1,702,573 km (0.085 R)
• M5: 2,295,280 km (0.104 R)
• M6: 3,073,937 km (0.096 R)
• M7: 3,516,597 km (0.095 R)
• M8: 4,803,288 km (0.084 R)
• M9: 5,734,834 km (0.11 R)
• M10: 6,327,242 km (0.112 R)
• M11: 7,079,719 km (0.062 R)
• M12: 7,826,661 km (0.031 R)
• M13: 8,286,226 km (0.078 R)
• M14: 10,115,359 km (0.06 R)
• M15: 12,200,305 km (0.063 R)
• M16: 13,599,643 km (0.103 R)
• M17: 14,314,123 km (0.049 R)
• M18: 15,714,658 km (0.119 R)
• M19: 16,769,772 km (0.102 R)
• M20: 17,259,705 km (0.095 R)
• M21: 18,497,627 km (0.115 R)
• M22: 20,712,124 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 8.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.15 AU - 5.97 AU

Year: 8336 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,095,010 km

• M1: 105,915 km (0.062 R)
• M2: 735,124 km (0.046 R)
• M3: 1,484,310 km (0.081 R)
• M4: 2,149,123 km (0.085 R)
• M5: 2,549,597 km (0.095 R)
• M6: 4,247,084 km (0.045 R)
• M7: 4,645,163 km (0.087 R)
• M8: 5,317,307 km (0.077 R)
• M9: 6,428,669 km (0.1 R)
• M10: 7,297,534 km (0.11 R)
• M11: 8,318,539 km (0.051 R)
• M12: 11,902,605 km (0.073 R)
• M13: 14,331,326 km (0.076 R)
• M14: 17,824,437 km (0.088 R)
• M15: 19,938,255 km (0.061 R)
• M16: 26,107,072 km (0.082 R)
• M17: 27,443,131 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.6

Radius: 5.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.87 AU - 7.77 AU

Year: 12592 Days

Day: 23.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,095,010 km

• M1: 71,059 km (0.12 R)
• M2: 384,018 km (0.118 R)
• M3: 727,794 km (0.11 R)
• M4: 914,193 km (0.066 R)
• M5: 1,132,755 km (0.102 R)
• M6: 2,197,294 km (0.084 R)
• M7: 2,398,652 km (0.063 R)
• M8: 2,630,529 km (0.096 R)
• M9: 3,806,518 km (0.045 R)
• M10: 4,352,400 km (0.098 R)
• M11: 4,753,472 km (0.036 R)
• M12: 5,416,041 km (0.085 R)
• M13: 7,849,400 km (0.06 R)
• M14: 8,122,865 km (0.094 R)
• M15: 8,897,633 km (0.075 R)
• M16: 10,546,051 km (0.092 R)
• M17: 10,879,356 km (0.037 R)
• M18: 11,318,126 km (0.097 R)
• M19: 11,718,001 km (0.061 R)
• M20: 14,550,188 km (0.047 R)
• M21: 15,323,609 km (0.114 R)
• M22: 15,505,969 km (0.086 R)
• M23: 15,689,675 km (0.106 R)
• M24: 16,312,601 km (0.093 R)
• M25: 18,900,644 km (0.111 R)
• M26: 19,463,431 km (0.055 R)
• M27: 22,289,933 km (0.1 R)
• M28: 24,622,613 km (0.112 R)
• M29: 26,410,158 km (0.079 R)
• M30: 34,322,987 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.9

Radius: 4.4

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.85 AU - 8.69 AU

Year: 13771 Days

Day: 21.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,095,010 km

• M1: 55,052 km (0.098 R)
• M2: 311,612 km (0.105 R)
• M3: 480,808 km (0.074 R)
• M4: 975,977 km (0.079 R)
• M5: 1,258,716 km (0.116 R)
• M6: 1,727,556 km (0.058 R)
• M7: 2,673,912 km (0.094 R)
• M8: 3,574,492 km (0.046 R)
• M9: 4,580,687 km (0.081 R)
• M10: 6,746,266 km (0.047 R)
• M11: 7,314,438 km (0.112 R)
• M12: 11,607,748 km (0.085 R)
• M13: 17,919,731 km (0.049 R)
• M14: 19,989,716 km (0.075 R)
• M15: 20,205,137 km (0.03 R)
• M16: 25,260,648 km (0.103 R)
• M17: 26,970,851 km (0.11 R)
• M18: 27,233,844 km (0.077 R)
• M19: 34,173,838 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.4

Radius: 6.1

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.65 AU - 10.77 AU

Year: 20743 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,095,010 km

• M1: 82,279 km (0.075 R)
• M2: 652,995 km (0.082 R)
• M3: 1,652,907 km (0.109 R)
• M4: 3,365,952 km (0.085 R)
• M5: 6,132,017 km (0.116 R)
• M6: 6,460,085 km (0.086 R)
• M7: 8,477,711 km (0.063 R)
• M8: 12,824,128 km (0.09 R)
• M9: 15,582,713 km (0.071 R)
• M10: 17,059,842 km (0.101 R)
• M11: 17,545,137 km (0.109 R)
• M12: 19,754,698 km (0.086 R)
• M13: 22,526,896 km (0.118 R)
• M14: 23,406,532 km (0.043 R)
• M15: 24,005,671 km (0.077 R)
• M16: 26,076,405 km (0.09 R)
• M17: 26,828,433 km (0.068 R)
• M18: 28,039,279 km (0.111 R)
• M19: 32,133,922 km (0.096 R)
• M20: 32,625,949 km (0.081 R)
• M21: 35,031,333 km (0.088 R)
• M22: 41,194,915 km (0.094 R)
• M23: 52,496,586 km (0.116 R)
• M24: 55,613,308 km (0.076 R)
• M25: 61,266,312 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 14,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit