🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.48 AU - 0.76 AU

Year: 188 Days

Day: 48 Hours

Environment

Temp: 174 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.61 AU - 0.75 AU

Year: 216 Days

Day: 18.4 Hours

Environment

Temp: 101 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.04 AU - 1.42 AU

Year: 525 Days

Day: 12.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.37 AU - 2.03 AU

Year: 853 Days

Day: 44.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.42 AU - 3.92 AU

Year: 2707 Days

Day: 32.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,001,425 km

• M1: 625,618 km (0.099 R)

Asteroid Belt

Center: 4.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 13.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.71 AU - 6.03 AU

Year: 5476 Days

Day: 9.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,001,425 km

• M1: 163,211 km (0.113 R)
• M2: 627,264 km (0.046 R)
• M3: 1,209,948 km (0.079 R)
• M4: 2,132,368 km (0.112 R)
• M5: 3,381,510 km (0.049 R)
• M6: 3,813,250 km (0.082 R)
• M7: 6,042,557 km (0.049 R)
• M8: 7,036,037 km (0.093 R)
• M9: 8,539,196 km (0.106 R)
• M10: 9,506,197 km (0.106 R)
• M11: 10,588,088 km (0.063 R)
• M12: 11,338,771 km (0.103 R)
• M13: 12,219,453 km (0.044 R)
• M14: 12,848,064 km (0.083 R)
• M15: 15,748,916 km (0.109 R)
• M16: 18,742,519 km (0.11 R)
• M17: 20,106,253 km (0.096 R)
• M18: 22,310,129 km (0.104 R)
• M19: 22,885,333 km (0.114 R)
• M20: 23,470,410 km (0.1 R)
• M21: 24,065,510 km (0.051 R)
• M22: 25,832,560 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.9

Radius: 3.4

Gravity: 59.16 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 10.71 AU - 12.89 AU

Year: 15606 Days

Day: 16.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,001,425 km

• M1: 42,935 km (0.096 R)
• M2: 171,140 km (0.114 R)
• M3: 477,217 km (0.075 R)
• M4: 785,838 km (0.109 R)
• M5: 1,241,064 km (0.115 R)
• M6: 3,252,407 km (0.066 R)
• M7: 5,022,001 km (0.089 R)
• M8: 5,344,384 km (0.079 R)
• M9: 7,807,513 km (0.114 R)
• M10: 15,098,614 km (0.101 R)
• M11: 19,502,326 km (0.115 R)
• M12: 19,940,648 km (0.101 R)
• M13: 21,853,257 km (0.119 R)
• M14: 23,884,646 km (0.102 R)
• M15: 26,569,779 km (0.084 R)
• M16: 30,609,819 km (0.039 R)
• M17: 35,557,918 km (0.085 R)
• M18: 44,539,624 km (0.077 R)
• M19: 56,498,628 km (0.117 R)
• M20: 59,561,046 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.4

Radius: 7.3

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 12.21 AU - 12.71 AU

Year: 16933 Days

Day: 22 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,001,425 km

• M1: 90,806 km (0.103 R)
• M2: 549,473 km (0.117 R)
• M3: 822,190 km (0.108 R)
• M4: 1,112,709 km (0.053 R)
• M5: 1,719,029 km (0.117 R)
• M6: 2,124,290 km (0.034 R)
• M7: 2,442,784 km (0.114 R)
• M8: 3,077,079 km (0.095 R)
• M9: 4,733,725 km (0.095 R)
• M10: 5,035,614 km (0.111 R)
• M11: 6,536,529 km (0.045 R)
• M12: 7,039,777 km (0.088 R)
• M13: 7,478,547 km (0.076 R)
• M14: 8,459,161 km (0.096 R)
• M15: 10,447,466 km (0.035 R)
• M16: 11,135,168 km (0.065 R)
• M17: 12,537,050 km (0.116 R)
• M18: 14,121,291 km (0.12 R)
• M19: 17,522,847 km (0.102 R)
• M20: 18,003,356 km (0.04 R)
• M21: 18,328,582 km (0.103 R)
• M22: 22,355,158 km (0.118 R)
• M23: 26,618,548 km (0.071 R)
• M24: 27,146,927 km (0.079 R)
• M25: 31,511,445 km (0.102 R)
• M26: 33,674,929 km (0.047 R)
• M27: 34,168,902 km (0.105 R)
• M28: 45,538,789 km (0.09 R)
• M29: 57,595,031 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 16,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit