🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.52 AU - 0.66 AU

Year: 297 Days

Day: 28 Hours

Environment

Temp: -129 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 13

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.15 AU - 1.53 AU

Year: 1018 Days

Day: 13.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,707,854 km

• M1: 161,715 km (0.115 R)
• M2: 601,084 km (0.077 R)
• M3: 1,033,721 km (0.066 R)
• M4: 1,666,819 km (0.081 R)
• M5: 2,192,207 km (0.097 R)
• M6: 2,749,609 km (0.101 R)
• M7: 3,583,019 km (0.053 R)
• M8: 4,000,845 km (0.106 R)
• M9: 4,433,482 km (0.052 R)
• M10: 5,771,935 km (0.115 R)
• M11: 7,313,541 km (0.106 R)
• M12: 8,596,492 km (0.082 R)
• M13: 9,961,872 km (0.114 R)
• M14: 11,813,594 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.3

Radius: 11.3

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.57 AU - 2.35 AU

Year: 1800 Days

Day: 9.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,707,854 km

• M1: 146,008 km (0.086 R)
• M2: 507,885 km (0.058 R)
• M3: 965,654 km (0.034 R)
• M4: 2,203,128 km (0.1 R)
• M5: 2,884,546 km (0.084 R)
• M6: 3,573,893 km (0.097 R)
• M7: 4,647,557 km (0.108 R)
• M8: 5,300,851 km (0.088 R)
• M9: 6,406,379 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 14.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.14 AU - 2.3 AU

Year: 2170 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,707,854 km

• M1: 184,005 km (0.102 R)
• M2: 1,250,638 km (0.054 R)
• M3: 1,914,254 km (0.079 R)
• M4: 3,060,473 km (0.049 R)
• M5: 3,965,840 km (0.052 R)
• M6: 5,663,177 km (0.102 R)
• M7: 6,478,037 km (0.093 R)
• M8: 8,996,666 km (0.115 R)
• M9: 11,096,123 km (0.115 R)
• M10: 12,373,838 km (0.117 R)
• M11: 12,989,733 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 10.1

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.26 AU - 2.82 AU

Year: 2656 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,707,854 km

• M1: 131,646 km (0.117 R)
• M2: 575,952 km (0.077 R)
• M3: 903,870 km (0.095 R)
• M4: 1,536,969 km (0.077 R)
• M5: 2,112,322 km (0.054 R)
• M6: 3,166,538 km (0.081 R)
• M7: 3,819,832 km (0.072 R)
• M8: 4,685,854 km (0.112 R)
• M9: 6,249,002 km (0.039 R)
• M10: 7,362,310 km (0.072 R)
• M11: 8,539,495 km (0.119 R)
• M12: 9,156,437 km (0.066 R)
• M13: 9,942,723 km (0.119 R)
• M14: 11,416,711 km (0.108 R)
• M15: 11,886,000 km (0.116 R)
• M16: 12,368,154 km (0.107 R)
• M17: 13,243,301 km (0.109 R)
• M18: 14,564,400 km (0.065 R)
• M19: 16,116,927 km (0.102 R)
• M20: 16,608,505 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 12.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.43 AU - 2.67 AU

Year: 2671 Days

Day: 6.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,707,854 km

• M1: 156,629 km (0.101 R)
• M2: 912,697 km (0.094 R)
• M3: 1,665,623 km (0.051 R)
• M4: 2,211,356 km (0.088 R)
• M5: 3,010,807 km (0.103 R)
• M6: 3,427,886 km (0.096 R)
• M7: 3,847,208 km (0.058 R)
• M8: 5,477,825 km (0.067 R)
• M9: 6,332,029 km (0.062 R)
• M10: 7,132,976 km (0.094 R)
• M11: 8,060,782 km (0.094 R)
• M12: 8,616,987 km (0.076 R)
• M13: 10,085,440 km (0.093 R)
• M14: 12,551,112 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 12.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.33 AU - 3.89 AU

Year: 3598 Days

Day: 10 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,707,854 km

• M1: 161,117 km (0.1 R)
• M2: 566,826 km (0.117 R)
• M3: 1,025,194 km (0.118 R)
• M4: 1,435,092 km (0.115 R)
• M5: 2,664,787 km (0.101 R)
• M6: 3,238,345 km (0.114 R)
• M7: 5,251,633 km (0.08 R)
• M8: 5,794,075 km (0.101 R)
• M9: 7,049,949 km (0.047 R)
• M10: 7,867,352 km (0.109 R)
• M11: 8,746,987 km (0.037 R)
• M12: 9,333,860 km (0.116 R)
• M13: 9,836,808 km (0.062 R)
• M14: 11,094,028 km (0.084 R)
• M15: 11,495,549 km (0.096 R)
• M16: 12,715,071 km (0.079 R)
• M17: 14,968,913 km (0.106 R)
• M18: 16,629,748 km (0.101 R)
• M19: 19,433,212 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.1

Radius: 15

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.32 AU - 4 AU

Year: 4593 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 112.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,707,854 km

• M1: 195,524 km (0.107 R)
• M2: 704,456 km (0.081 R)
• M3: 1,184,666 km (0.106 R)
• M4: 2,240,079 km (0.092 R)
• M5: 3,007,516 km (0.117 R)
• M6: 3,585,562 km (0.11 R)
• M7: 5,176,685 km (0.067 R)
• M8: 6,494,941 km (0.076 R)
• M9: 10,458,836 km (0.057 R)
• M10: 11,843,663 km (0.094 R)
• M11: 13,962,717 km (0.056 R)
• M12: 15,528,109 km (0.061 R)
• M13: 19,719,243 km (0.077 R)
• M14: 20,249,568 km (0.055 R)
• M15: 22,323,443 km (0.054 R)
• M16: 23,412,067 km (0.066 R)
• M17: 26,248,293 km (0.113 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: 186 - 14,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit