🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.66 AU - 0.94 AU

Year: 270 Days

Day: 21.9 Hours

Environment

Temp: 115 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.88 AU - 1.16 AU

Year: 388 Days

Day: 34.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 17.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 49,599,668 km

• M1: 35,155 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.96 AU - 1.1 AU

Year: 394 Days

Day: 38.8 Hours

Environment

Temp: 25 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.97 AU - 1.51 AU

Year: 520 Days

Day: 29.7 Hours

Environment

Temp: -5 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.05 AU - 2.95 AU

Year: 1489 Days

Day: 23.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,599,668 km

• M1: 36,801 km (0.081 R)
• M2: 117,584 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 9.1

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.47 AU - 5.67 AU

Year: 3680 Days

Day: 14.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,599,668 km

• M1: 113,246 km (0.115 R)
• M2: 574,905 km (0.103 R)
• M3: 1,170,903 km (0.075 R)
• M4: 1,693,597 km (0.117 R)
• M5: 4,085,368 km (0.104 R)
• M6: 5,410,057 km (0.074 R)
• M7: 5,711,198 km (0.086 R)
• M8: 6,130,222 km (0.096 R)
• M9: 7,148,385 km (0.071 R)
• M10: 10,372,219 km (0.116 R)
• M11: 12,065,517 km (0.083 R)
• M12: 14,170,210 km (0.115 R)
• M13: 16,561,083 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.5

Radius: 13

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.13 AU - 5.39 AU

Year: 4545 Days

Day: 8.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,599,668 km

• M1: 163,062 km (0.093 R)
• M2: 669,450 km (0.106 R)
• M3: 1,155,494 km (0.102 R)
• M4: 1,932,804 km (0.099 R)
• M5: 3,000,484 km (0.062 R)
• M6: 3,525,723 km (0.092 R)
• M7: 4,178,568 km (0.084 R)
• M8: 4,617,637 km (0.089 R)
• M9: 5,810,680 km (0.043 R)
• M10: 6,510,051 km (0.095 R)
• M11: 6,975,150 km (0.036 R)
• M12: 8,578,391 km (0.092 R)
• M13: 12,979,410 km (0.081 R)
• M14: 14,382,040 km (0.097 R)
• M15: 15,553,242 km (0.1 R)
• M16: 18,024,449 km (0.059 R)
• M17: 18,882,692 km (0.081 R)
• M18: 19,768,012 km (0.102 R)
• M19: 20,351,594 km (0.047 R)
• M20: 20,880,123 km (0.085 R)
• M21: 22,801,857 km (0.027 R)
• M22: 25,215,319 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.7

Radius: 8.7

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.96 AU - 8.34 AU

Year: 8765 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,599,668 km

• M1: 108,309 km (0.06 R)
• M2: 725,400 km (0.077 R)
• M3: 1,222,813 km (0.117 R)
• M4: 2,089,583 km (0.062 R)
• M5: 2,592,531 km (0.098 R)
• M6: 2,965,329 km (0.115 R)
• M7: 4,804,934 km (0.081 R)
• M8: 5,896,699 km (0.111 R)
• M9: 6,602,951 km (0.032 R)
• M10: 9,392,951 km (0.119 R)
• M11: 9,770,237 km (0.104 R)
• M12: 13,257,513 km (0.083 R)
• M13: 17,327,323 km (0.118 R)
• M14: 17,952,941 km (0.099 R)
• M15: 21,569,320 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.1

Radius: 14.1

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.11 AU - 10.01 AU

Year: 10274 Days

Day: 12.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,599,668 km

• M1: 179,517 km (0.057 R)
• M2: 1,272,031 km (0.088 R)
• M3: 1,720,076 km (0.084 R)
• M4: 2,258,329 km (0.093 R)
• M5: 3,198,253 km (0.04 R)
• M6: 4,679,122 km (0.033 R)
• M7: 5,641,336 km (0.117 R)
• M8: 6,731,605 km (0.107 R)
• M9: 8,488,333 km (0.052 R)
• M10: 9,818,557 km (0.079 R)
• M11: 12,299,787 km (0.048 R)
• M12: 12,770,721 km (0.054 R)
• M13: 13,561,496 km (0.097 R)
• M14: 14,579,360 km (0.031 R)
• M15: 16,130,989 km (0.092 R)
• M16: 17,567,577 km (0.1 R)
• M17: 19,960,694 km (0.045 R)
• M18: 22,476,482 km (0.093 R)
• M19: 24,543,475 km (0.095 R)
• M20: 27,128,377 km (0.066 R)
• M21: 30,421,026 km (0.108 R)
• M22: 34,318,051 km (0.099 R)
• M23: 35,018,019 km (0.059 R)
• M24: 43,630,069 km (0.035 R)
• M25: 49,303,718 km (0.072 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: 407 - 19,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit