🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 14.4

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.59 AU - 0.77 AU

Year: 374 Days

Day: 8.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 49,205,984 km

• M1: 179,069 km (0.081 R)
• M2: 689,945 km (0.08 R)
• M3: 1,150,557 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.1

Radius: 14.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.78 AU - 0.96 AU

Year: 541 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,205,984 km

• M1: 182,809 km (0.118 R)
• M2: 705,653 km (0.096 R)
• M3: 1,167,611 km (0.091 R)
• M4: 1,634,357 km (0.088 R)
• M5: 2,303,059 km (0.115 R)
• M6: 2,938,102 km (0.095 R)
• M7: 3,395,872 km (0.11 R)
• M8: 3,865,609 km (0.112 R)
• M9: 4,853,553 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.9

Radius: 14.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.2 AU - 1.88 AU

Year: 1274 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,205,984 km

• M1: 182,809 km (0.12 R)
• M2: 889,210 km (0.116 R)
• M3: 1,722,619 km (0.092 R)
• M4: 2,182,932 km (0.098 R)
• M5: 2,928,079 km (0.088 R)
• M6: 3,626,252 km (0.114 R)
• M7: 4,360,778 km (0.03 R)
• M8: 4,871,355 km (0.109 R)
• M9: 5,571,473 km (0.115 R)
• M10: 6,821,364 km (0.104 R)
• M11: 7,303,218 km (0.106 R)
• M12: 9,278,958 km (0.072 R)
• M13: 11,203,684 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.1

Radius: 10.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.11 AU - 2.37 AU

Year: 2236 Days

Day: 12.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,205,984 km

• M1: 133,142 km (0.05 R)
• M2: 468,989 km (0.112 R)
• M3: 924,964 km (0.116 R)
• M4: 1,422,526 km (0.036 R)
• M5: 2,200,585 km (0.076 R)
• M6: 3,040,876 km (0.061 R)
• M7: 3,936,070 km (0.103 R)
• M8: 5,782,855 km (0.111 R)
• M9: 7,343,909 km (0.082 R)
• M10: 8,088,458 km (0.104 R)
• M11: 9,627,221 km (0.048 R)
• M12: 10,169,663 km (0.047 R)
• M13: 12,665,405 km (0.082 R)
• M14: 13,862,786 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10

Radius: 15

Gravity: 0.04 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.08 AU - 3.22 AU

Year: 3728 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 137.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 49,205,984 km

• M1: 187,745 km (0.111 R)
• M2: 2,799,126 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.6

Radius: 8.9

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.98 AU - 5.06 AU

Year: 6408 Days

Day: 12.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,205,984 km

• M1: 110,702 km (0.115 R)
• M2: 469,588 km (0.12 R)
• M3: 871,108 km (0.079 R)
• M4: 1,484,759 km (0.109 R)
• M5: 1,771,987 km (0.111 R)
• M6: 2,313,830 km (0.114 R)
• M7: 3,529,762 km (0.087 R)
• M8: 5,238,618 km (0.061 R)
• M9: 5,613,660 km (0.099 R)
• M10: 6,713,354 km (0.083 R)
• M11: 7,801,978 km (0.095 R)
• M12: 9,375,299 km (0.097 R)
• M13: 10,824,154 km (0.083 R)
• M14: 11,243,926 km (0.11 R)
• M15: 13,454,533 km (0.112 R)
• M16: 16,301,231 km (0.118 R)
• M17: 19,253,844 km (0.109 R)
• M18: 20,288,912 km (0.117 R)
• M19: 24,323,716 km (0.042 R)
• M20: 26,696,937 km (0.065 R)
• M21: 29,041,584 km (0.087 R)
• M22: 31,425,875 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.8

Radius: 3.1

Gravity: 59.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.83 AU - 7.43 AU

Year: 11384 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 49,205,984 km

• M1: 59,241 km (0.064 R)
• M2: 211,232 km (0.09 R)
• M3: 320,588 km (0.102 R)
• M4: 534,064 km (0.116 R)
• M5: 995,574 km (0.078 R)
• M6: 1,262,606 km (0.09 R)
• M7: 1,680,134 km (0.094 R)
• M8: 1,789,490 km (0.1 R)
• M9: 2,449,067 km (0.104 R)
• M10: 3,091,739 km (0.092 R)
• M11: 3,232,660 km (0.071 R)
• M12: 4,342,078 km (0.047 R)
• M13: 4,700,515 km (0.04 R)
• M14: 5,374,752 km (0.111 R)
• M15: 5,544,396 km (0.117 R)
• M16: 6,147,724 km (0.081 R)
• M17: 9,831,572 km (0.111 R)
• M18: 10,085,290 km (0.053 R)
• M19: 10,187,914 km (0.067 R)
• M20: 10,926,479 km (0.068 R)
• M21: 11,364,053 km (0.117 R)
• M22: 12,807,074 km (0.061 R)
• M23: 13,048,674 km (0.078 R)
• M24: 16,758,851 km (0.1 R)
• M25: 17,340,338 km (0.076 R)
• M26: 18,086,083 km (0.107 R)
• M27: 20,124,354 km (0.101 R)
• M28: 22,836,713 km (0.065 R)
• M29: 26,265,048 km (0.077 R)
• M30: 27,048,791 km (0.095 R)
• M31: 27,247,158 km (0.119 R)
• M32: 28,355,528 km (0.094 R)
• M33: 30,661,729 km (0.066 R)
• M34: 33,203,247 km (0.116 R)
• M35: 34,119,235 km (0.045 R)
• M36: 35,405,777 km (0.092 R)
• M37: 36,121,154 km (0.102 R)
• M38: 41,927,795 km (0.077 R)
• M39: 42,460,214 km (0.086 R)
• M40: 48,764,867 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 13,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit