🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.5 AU - 0.62 AU

Year: 266 Days

Day: 41.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,013,105 km

• M1: 188,344 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.51 AU - 0.69 AU

Year: 296 Days

Day: 20.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,013,105 km

• M1: 98,286 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.4

Radius: 10.9

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.74 AU - 0.88 AU

Year: 464 Days

Day: 15 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,013,105 km

• M1: 135,685 km (0.106 R)
• M2: 566,228 km (0.091 R)
• M3: 1,770,042 km (0.078 R)
• M4: 2,123,243 km (0.081 R)
• M5: 2,822,762 km (0.053 R)
• M6: 3,226,826 km (0.112 R)
• M7: 3,906,000 km (0.062 R)
• M8: 4,468,488 km (0.061 R)
• M9: 6,022,960 km (0.109 R)
• M10: 6,410,418 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.1

Radius: 9.1

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.38 AU - 3.78 AU

Year: 3437 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,013,105 km

• M1: 116,836 km (0.067 R)
• M2: 449,990 km (0.114 R)
• M3: 792,869 km (0.116 R)
• M4: 1,362,986 km (0.102 R)
• M5: 3,142,453 km (0.106 R)
• M6: 4,377,234 km (0.063 R)
• M7: 6,889,730 km (0.103 R)
• M8: 7,871,990 km (0.105 R)
• M9: 10,774,936 km (0.051 R)
• M10: 11,160,300 km (0.113 R)
• M11: 13,033,415 km (0.115 R)
• M12: 13,373,002 km (0.103 R)
• M13: 13,968,851 km (0.089 R)
• M14: 15,481,884 km (0.074 R)
• M15: 17,217,069 km (0.117 R)
• M16: 19,960,993 km (0.086 R)
• M17: 22,773,433 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.7

Radius: 13.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.24 AU - 3.54 AU

Year: 3969 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,013,105 km

• M1: 184,604 km (0.093 R)
• M2: 782,247 km (0.04 R)
• M3: 1,307,785 km (0.059 R)
• M4: 1,763,908 km (0.118 R)
• M5: 2,684,683 km (0.07 R)
• M6: 3,131,083 km (0.06 R)
• M7: 4,392,941 km (0.053 R)
• M8: 5,115,350 km (0.115 R)
• M9: 5,570,426 km (0.108 R)
• M10: 7,286,763 km (0.094 R)
• M11: 8,232,820 km (0.068 R)
• M12: 8,753,420 km (0.112 R)
• M13: 9,407,163 km (0.12 R)
• M14: 10,132,413 km (0.026 R)
• M15: 11,522,926 km (0.036 R)
• M16: 12,898,478 km (0.064 R)
• M17: 14,630,223 km (0.063 R)
• M18: 15,137,659 km (0.088 R)
• M19: 16,241,691 km (0.112 R)
• M20: 16,785,928 km (0.083 R)
• M21: 20,186,437 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 9.3

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.8 AU - 4.32 AU

Year: 4271 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,013,105 km

• M1: 115,639 km (0.09 R)
• M2: 481,855 km (0.105 R)
• M3: 853,306 km (0.102 R)
• M4: 1,169,556 km (0.088 R)
• M5: 1,484,011 km (0.078 R)
• M6: 1,950,756 km (0.098 R)
• M7: 2,288,399 km (0.083 R)
• M8: 2,752,601 km (0.059 R)
• M9: 5,183,716 km (0.109 R)
• M10: 7,767,720 km (0.103 R)
• M11: 9,583,389 km (0.104 R)
• M12: 10,088,880 km (0.098 R)
• M13: 12,340,179 km (0.093 R)
• M14: 13,091,609 km (0.056 R)
• M15: 14,630,223 km (0.038 R)
• M16: 15,244,173 km (0.108 R)
• M17: 16,884,663 km (0.118 R)
• M18: 25,739,660 km (0.06 R)
• M19: 26,143,724 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 13.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.13 AU - 4.43 AU

Year: 4673 Days

Day: 9 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,013,105 km

• M1: 199,414 km (0.076 R)
• M2: 1,544,598 km (0.088 R)
• M3: 3,655,125 km (0.112 R)
• M4: 4,448,293 km (0.071 R)
• M5: 5,636,549 km (0.049 R)
• M6: 8,430,588 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998

Radius: 13.2

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.37 AU - 6.03 AU

Year: 7539 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,013,105 km

• M1: 164,408 km (0.113 R)
• M2: 848,220 km (0.113 R)
• M3: 1,896,003 km (0.099 R)
• M4: 2,363,048 km (0.083 R)
• M5: 3,369,692 km (0.086 R)
• M6: 4,089,707 km (0.049 R)
• M7: 5,603,787 km (0.026 R)
• M8: 6,325,896 km (0.059 R)
• M9: 7,070,444 km (0.085 R)
• M10: 8,167,595 km (0.05 R)
• M11: 8,690,290 km (0.056 R)
• M12: 11,061,117 km (0.116 R)
• M13: 11,921,006 km (0.1 R)
• M14: 12,709,536 km (0.069 R)
• M15: 13,532,623 km (0.095 R)
• M16: 14,579,509 km (0.071 R)
• M17: 18,858,607 km (0.111 R)
• M18: 20,242,836 km (0.084 R)
• M19: 22,192,545 km (0.103 R)
• M20: 22,955,045 km (0.061 R)
• M21: 26,087,325 km (0.108 R)
• M22: 27,609,933 km (0.107 R)
• M23: 29,494,118 km (0.067 R)
• M24: 33,849,660 km (0.08 R)
• M25: 36,823,665 km (0.09 R)
• M26: 38,374,247 km (0.092 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: 456 - 11,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit