🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.49 AU - 0.63 AU

Year: 271 Days

Day: 12.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,904,954 km

• M1: 55,202 km (0.049 R)

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.6

Radius: 10.7

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.1 AU - 1.6 AU

Year: 1013 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,904,954 km

• M1: 134,189 km (0.105 R)
• M2: 485,894 km (0.119 R)
• M3: 943,813 km (0.08 R)
• M4: 1,446,013 km (0.065 R)
• M5: 2,079,261 km (0.104 R)
• M6: 2,809,897 km (0.098 R)
• M7: 3,149,783 km (0.04 R)
• M8: 3,609,797 km (0.106 R)
• M9: 4,374,990 km (0.102 R)
• M10: 4,758,708 km (0.073 R)
• M11: 5,325,684 km (0.116 R)
• M12: 5,806,941 km (0.108 R)
• M13: 6,362,846 km (0.099 R)
• M14: 8,466,491 km (0.081 R)
• M15: 9,182,168 km (0.12 R)
• M16: 9,783,252 km (0.076 R)
• M17: 10,799,321 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.3

Radius: 13.8

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.19 AU - 1.65 AU

Year: 1093 Days

Day: 9.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,904,954 km

• M1: 171,589 km (0.119 R)
• M2: 740,958 km (0.07 R)
• M3: 1,263,204 km (0.057 R)
• M4: 1,876,256 km (0.069 R)
• M5: 2,851,934 km (0.085 R)
• M6: 3,441,200 km (0.1 R)
• M7: 3,970,477 km (0.105 R)
• M8: 4,674,036 km (0.092 R)
• M9: 5,344,683 km (0.05 R)
• M10: 6,288,496 km (0.102 R)
• M11: 7,946,639 km (0.112 R)
• M12: 8,877,736 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.9

Radius: 12.2

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.12 AU - 2.2 AU

Year: 2050 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,904,954 km

• M1: 151,692 km (0.116 R)
• M2: 571,165 km (0.087 R)
• M3: 1,562,550 km (0.07 R)
• M4: 2,047,696 km (0.042 R)
• M5: 2,592,382 km (0.087 R)
• M6: 2,988,217 km (0.073 R)
• M7: 3,993,964 km (0.092 R)
• M8: 4,645,911 km (0.093 R)
• M9: 5,367,721 km (0.102 R)
• M10: 6,928,326 km (0.085 R)
• M11: 8,223,993 km (0.101 R)
• M12: 8,679,668 km (0.05 R)
• M13: 9,443,814 km (0.119 R)
• M14: 10,045,946 km (0.073 R)
• M15: 11,777,840 km (0.073 R)
• M16: 14,870,028 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 9.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.6 AU - 2.6 AU

Year: 2707 Days

Day: 11 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,904,954 km

• M1: 116,836 km (0.069 R)
• M2: 675,285 km (0.101 R)
• M3: 1,119,590 km (0.052 R)
• M4: 1,576,911 km (0.077 R)
• M5: 2,482,876 km (0.059 R)
• M6: 3,194,214 km (0.067 R)
• M7: 3,558,485 km (0.095 R)
• M8: 4,245,288 km (0.112 R)
• M9: 6,790,846 km (0.102 R)
• M10: 7,139,558 km (0.072 R)
• M11: 10,245,210 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 14.2

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.19 AU - 3.37 AU

Year: 2993 Days

Day: 6.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,904,954 km

• M1: 176,675 km (0.069 R)
• M2: 1,432,549 km (0.093 R)
• M3: 1,916,050 km (0.084 R)
• M4: 3,466,183 km (0.092 R)
• M5: 4,261,894 km (0.108 R)
• M6: 5,241,909 km (0.094 R)
• M7: 6,317,219 km (0.12 R)
• M8: 8,501,348 km (0.084 R)
• M9: 9,384,723 km (0.073 R)
• M10: 9,848,925 km (0.108 R)
• M11: 10,644,936 km (0.025 R)
• M12: 11,113,626 km (0.047 R)
• M13: 11,558,530 km (0.081 R)
• M14: 13,709,747 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.5

Radius: 11.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.3 AU - 6.76 AU

Year: 8397 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,904,954 km

• M1: 145,559 km (0.119 R)
• M2: 565,929 km (0.113 R)
• M3: 1,211,444 km (0.086 R)
• M4: 1,887,177 km (0.108 R)
• M5: 2,279,572 km (0.048 R)
• M6: 3,709,130 km (0.09 R)
• M7: 4,133,539 km (0.105 R)
• M8: 7,402,402 km (0.071 R)
• M9: 7,810,954 km (0.067 R)
• M10: 8,552,361 km (0.115 R)
• M11: 9,086,126 km (0.114 R)
• M12: 10,403,335 km (0.085 R)
• M13: 13,358,791 km (0.036 R)
• M14: 14,304,848 km (0.112 R)
• M15: 14,940,489 km (0.091 R)
• M16: 15,837,627 km (0.119 R)
• M17: 16,392,785 km (0.099 R)
• M18: 18,472,943 km (0.101 R)
• M19: 19,576,377 km (0.093 R)
• M20: 20,288,014 km (0.073 R)
• M21: 21,090,757 km (0.059 R)
• M22: 23,150,719 km (0.092 R)
• M23: 24,270,160 km (0.043 R)
• M24: 24,925,848 km (0.066 R)
• M25: 25,931,445 km (0.083 R)
• M26: 26,616,752 km (0.114 R)
• M27: 29,664,809 km (0.112 R)
• M28: 33,138,172 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257

Radius: 3.2

Gravity: 25.1 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.78 AU - 9.08 AU

Year: 15804 Days

Day: 19.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,904,954 km

• M1: 39,793 km (0.059 R)
• M2: 168,447 km (0.071 R)
• M3: 552,615 km (0.116 R)
• M4: 704,008 km (0.08 R)
• M5: 1,090,718 km (0.102 R)
• M6: 1,947,615 km (0.066 R)
• M7: 3,365,204 km (0.091 R)
• M8: 5,486,203 km (0.1 R)
• M9: 5,758,471 km (0.1 R)
• M10: 5,897,896 km (0.081 R)
• M11: 8,051,507 km (0.098 R)
• M12: 8,582,579 km (0.117 R)
• M13: 14,198,334 km (0.117 R)
• M14: 16,955,572 km (0.114 R)
• M15: 21,518,756 km (0.086 R)
• M16: 22,365,330 km (0.096 R)
• M17: 24,396,421 km (0.087 R)
• M18: 25,316,597 km (0.069 R)
• M19: 29,641,173 km (0.085 R)
• M20: 31,759,778 km (0.074 R)
• M21: 34,090,812 km (0.116 R)
• M22: 35,123,635 km (0.078 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 12,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit