🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.52 AU - 0.7 AU

Year: 172 Days

Day: 44.8 Hours

Environment

Temp: 198 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.28 AU - 1.54 AU

Year: 606 Days

Day: 16.9 Hours

Environment

Temp: -23 °C

Axial Tilt: 104.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.87 AU - 2.45 AU

Year: 1148 Days

Day: 18.5 Hours

Environment

Temp: -71 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.06 AU - 2.26 AU

Year: 1148 Days

Day: 44.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.57 AU - 3.97 AU

Year: 2647 Days

Day: 15.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.3

Radius: 13.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.91 AU - 6.25 AU

Year: 4141 Days

Day: 6.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,168,104 km

• M1: 172,935 km (0.093 R)
• M2: 961,914 km (0.108 R)
• M3: 1,413,251 km (0.11 R)
• M4: 2,210,907 km (0.062 R)
• M5: 2,688,124 km (0.118 R)
• M6: 3,392,431 km (0.103 R)
• M7: 3,854,688 km (0.092 R)
• M8: 4,311,710 km (0.111 R)
• M9: 6,175,400 km (0.059 R)
• M10: 6,968,418 km (0.091 R)
• M11: 9,149,855 km (0.12 R)
• M12: 11,566,907 km (0.104 R)
• M13: 14,491,396 km (0.072 R)
• M14: 15,152,918 km (0.049 R)
• M15: 16,008,169 km (0.072 R)
• M16: 18,319,157 km (0.116 R)
• M17: 20,226,679 km (0.117 R)
• M18: 20,706,290 km (0.03 R)
• M19: 22,774,780 km (0.116 R)
• M20: 25,609,809 km (0.061 R)
• M21: 28,415,368 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 10.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.4 AU - 9.8 AU

Year: 9121 Days

Day: 13.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,168,104 km

• M1: 136,134 km (0.111 R)
• M2: 483,650 km (0.117 R)
• M3: 965,953 km (0.093 R)
• M4: 1,342,491 km (0.082 R)
• M5: 1,675,197 km (0.074 R)
• M6: 2,031,838 km (0.031 R)
• M7: 3,132,430 km (0.114 R)
• M8: 3,704,043 km (0.115 R)
• M9: 4,290,317 km (0.059 R)
• M10: 5,551,727 km (0.115 R)
• M11: 6,113,317 km (0.115 R)
• M12: 7,664,348 km (0.033 R)
• M13: 8,110,598 km (0.071 R)
• M14: 8,834,502 km (0.042 R)
• M15: 9,554,517 km (0.036 R)
• M16: 14,232,891 km (0.104 R)
• M17: 17,131,499 km (0.101 R)
• M18: 20,019,785 km (0.117 R)
• M19: 20,479,350 km (0.118 R)
• M20: 21,499,308 km (0.09 R)
• M21: 23,050,339 km (0.077 R)
• M22: 23,470,709 km (0.094 R)
• M23: 25,114,640 km (0.106 R)
• M24: 26,834,118 km (0.083 R)
• M25: 28,534,148 km (0.086 R)
• M26: 29,905,213 km (0.084 R)
• M27: 31,012,835 km (0.117 R)
• M28: 32,147,685 km (0.03 R)
• M29: 37,540,987 km (0.113 R)
• M30: 38,475,226 km (0.104 R)
• M31: 40,147,431 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.7

Radius: 4.6

Gravity: 28.25 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 11.01 AU - 15.01 AU

Year: 16971 Days

Day: 15.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,168,104 km

• M1: 57,146 km (0.109 R)
• M2: 593,904 km (0.096 R)
• M3: 828,922 km (0.112 R)
• M4: 1,149,660 km (0.109 R)
• M5: 1,396,646 km (0.086 R)
• M6: 1,548,637 km (0.034 R)
• M7: 1,763,011 km (0.082 R)
• M8: 2,210,757 km (0.071 R)
• M9: 2,418,399 km (0.08 R)
• M10: 2,945,582 km (0.081 R)
• M11: 3,490,717 km (0.093 R)
• M12: 5,020,355 km (0.113 R)
• M13: 6,394,860 km (0.075 R)
• M14: 6,860,409 km (0.053 R)
• M15: 7,257,890 km (0.116 R)
• M16: 9,054,710 km (0.1 R)
• M17: 9,265,195 km (0.108 R)
• M18: 11,128,137 km (0.092 R)
• M19: 11,491,660 km (0.066 R)
• M20: 12,051,904 km (0.11 R)
• M21: 12,826,970 km (0.104 R)
• M22: 13,159,526 km (0.066 R)
• M23: 14,191,602 km (0.032 R)
• M24: 14,547,346 km (0.083 R)
• M25: 14,836,070 km (0.102 R)
• M26: 15,276,486 km (0.103 R)
• M27: 18,947,019 km (0.088 R)
• M28: 20,985,141 km (0.077 R)
• M29: 27,967,771 km (0.088 R)
• M30: 29,551,414 km (0.11 R)
• M31: 35,045,695 km (0.075 R)
• M32: 37,691,932 km (0.11 R)
• M33: 38,510,980 km (0.099 R)
• M34: 45,495,704 km (0.054 R)
• M35: 52,429,566 km (0.113 R)
• M36: 59,298,502 km (0.06 R)
• M37: 60,035,271 km (0.11 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 559 - 20,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit