🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.79 AU - 1.27 AU

Year: 367 Days

Day: 43.8 Hours

Environment

Temp: 102 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.13 AU - 1.59 AU

Year: 557 Days

Day: 16.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.14 AU - 1.64 AU

Year: 576 Days

Day: 13.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2 AU - 3.06 AU

Year: 1414 Days

Day: 46.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.08 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 10.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.91 AU - 6.33 AU

Year: 4683 Days

Day: 13 Hours

Environment

Temp: -134 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,663,411 km

• M1: 131,646 km (0.054 R)
• M2: 574,755 km (0.096 R)
• M3: 1,074,562 km (0.078 R)
• M4: 1,818,213 km (0.1 R)
• M5: 2,762,175 km (0.11 R)
• M6: 3,164,593 km (0.035 R)
• M7: 3,644,803 km (0.05 R)
• M8: 5,282,899 km (0.116 R)
• M9: 6,236,735 km (0.111 R)
• M10: 6,579,015 km (0.111 R)
• M11: 7,490,365 km (0.1 R)
• M12: 7,910,436 km (0.116 R)
• M13: 9,193,088 km (0.109 R)
• M14: 10,852,278 km (0.102 R)
• M15: 11,223,431 km (0.11 R)
• M16: 11,774,400 km (0.12 R)
• M17: 12,567,119 km (0.08 R)
• M18: 13,966,756 km (0.065 R)
• M19: 16,852,948 km (0.11 R)
• M20: 17,351,259 km (0.076 R)
• M21: 19,024,062 km (0.071 R)
• M22: 19,869,140 km (0.066 R)
• M23: 21,698,722 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 10.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.13 AU - 6.85 AU

Year: 5153 Days

Day: 6.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,663,411 km

• M1: 134,638 km (0.11 R)
• M2: 658,829 km (0.112 R)
• M3: 1,332,319 km (0.084 R)
• M4: 1,775,278 km (0.079 R)
• M5: 3,162,200 km (0.117 R)
• M6: 3,526,022 km (0.073 R)
• M7: 4,692,586 km (0.046 R)
• M8: 8,915,883 km (0.111 R)
• M9: 10,007,649 km (0.111 R)
• M10: 10,460,182 km (0.113 R)
• M11: 12,268,372 km (0.09 R)
• M12: 13,271,276 km (0.074 R)
• M13: 13,918,885 km (0.12 R)
• M14: 14,639,797 km (0.071 R)
• M15: 17,715,081 km (0.103 R)
• M16: 18,439,134 km (0.119 R)
• M17: 21,398,928 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.5

Radius: 14

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.53 AU - 11.49 AU

Year: 10307 Days

Day: 5.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,663,411 km

• M1: 174,431 km (0.116 R)
• M2: 947,104 km (0.04 R)
• M3: 1,756,429 km (0.113 R)
• M4: 2,772,348 km (0.049 R)
• M5: 3,577,783 km (0.081 R)
• M6: 4,782,943 km (0.101 R)
• M7: 5,549,632 km (0.111 R)
• M8: 6,358,358 km (0.11 R)
• M9: 7,077,475 km (0.108 R)
• M10: 8,536,503 km (0.119 R)
• M11: 9,114,101 km (0.099 R)
• M12: 10,564,003 km (0.089 R)
• M13: 11,230,611 km (0.094 R)
• M14: 11,748,818 km (0.106 R)
• M15: 12,957,719 km (0.118 R)
• M16: 15,835,982 km (0.036 R)
• M17: 18,954,948 km (0.028 R)
• M18: 20,107,899 km (0.109 R)
• M19: 22,102,786 km (0.068 R)
• M20: 23,102,100 km (0.079 R)
• M21: 26,685,567 km (0.1 R)
• M22: 32,673,970 km (0.035 R)
• M23: 36,290,798 km (0.091 R)
• M24: 37,425,946 km (0.064 R)
• M25: 40,973,660 km (0.067 R)
• M26: 43,038,410 km (0.099 R)
• M27: 47,225,654 km (0.086 R)
• M28: 51,994,086 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 10.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.25 AU - 11.47 AU

Year: 11720 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,663,411 km

• M1: 135,536 km (0.111 R)
• M2: 1,316,760 km (0.036 R)
• M3: 1,983,069 km (0.071 R)
• M4: 3,104,455 km (0.086 R)
• M5: 3,609,497 km (0.088 R)
• M6: 5,575,213 km (0.115 R)
• M7: 7,241,135 km (0.112 R)
• M8: 7,624,854 km (0.053 R)
• M9: 10,263,611 km (0.101 R)
• M10: 12,742,747 km (0.114 R)
• M11: 13,986,952 km (0.059 R)
• M12: 15,197,199 km (0.081 R)
• M13: 20,811,757 km (0.075 R)
• M14: 24,426,789 km (0.047 R)
• M15: 25,372,098 km (0.102 R)
• M16: 26,835,614 km (0.116 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 17,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit