🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 14

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.63 AU - 0.95 AU

Year: 461 Days

Day: 5.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 28,709,014 km

• M1: 174,132 km (0.117 R)
• M2: 786,885 km (0.114 R)
• M3: 1,474,137 km (0.102 R)
• M4: 3,207,528 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 14.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.86 AU - 1.26 AU

Year: 716 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,709,014 km

• M1: 177,872 km (0.089 R)
• M2: 840,740 km (0.047 R)
• M3: 1,701,676 km (0.038 R)
• M4: 4,091,053 km (0.06 R)
• M5: 4,581,584 km (0.089 R)
• M6: 5,111,460 km (0.1 R)
• M7: 5,590,323 km (0.107 R)
• M8: 7,145,393 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 8.7

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.93 AU - 1.39 AU

Year: 820 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,709,014 km

• M1: 108,309 km (0.088 R)
• M2: 464,053 km (0.09 R)
• M3: 1,902,137 km (0.113 R)
• M4: 2,202,829 km (0.11 R)
• M5: 3,176,112 km (0.104 R)
• M6: 3,715,114 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.3

Radius: 12

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.27 AU - 1.65 AU

Year: 1157 Days

Day: 9.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,709,014 km

• M1: 149,299 km (0.1 R)
• M2: 566,826 km (0.094 R)
• M3: 1,212,192 km (0.079 R)
• M4: 1,643,183 km (0.064 R)
• M5: 2,313,980 km (0.063 R)
• M6: 3,160,405 km (0.076 R)
• M7: 4,309,615 km (0.106 R)
• M8: 4,813,611 km (0.094 R)
• M9: 5,335,857 km (0.11 R)
• M10: 6,376,160 km (0.11 R)
• M11: 7,235,451 km (0.03 R)
• M12: 8,338,286 km (0.082 R)
• M13: 8,797,851 km (0.107 R)
• M14: 9,335,206 km (0.099 R)
• M15: 9,736,727 km (0.097 R)
• M16: 11,494,951 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.8

Radius: 11.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.28 AU - 2.56 AU

Year: 2470 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,709,014 km

• M1: 159,172 km (0.081 R)
• M2: 780,901 km (0.102 R)
• M3: 1,279,959 km (0.042 R)
• M4: 1,734,139 km (0.097 R)
• M5: 2,295,729 km (0.107 R)
• M6: 2,848,493 km (0.101 R)
• M7: 3,882,214 km (0.083 R)
• M8: 4,582,931 km (0.102 R)
• M9: 5,010,182 km (0.053 R)
• M10: 5,488,596 km (0.094 R)
• M11: 6,049,887 km (0.101 R)
• M12: 6,649,177 km (0.088 R)
• M13: 7,499,341 km (0.101 R)
• M14: 7,871,840 km (0.065 R)
• M15: 8,960,314 km (0.086 R)
• M16: 10,334,969 km (0.08 R)
• M17: 10,954,005 km (0.055 R)
• M18: 12,523,735 km (0.075 R)
• M19: 13,680,875 km (0.048 R)
• M20: 14,097,655 km (0.077 R)
• M21: 14,714,596 km (0.12 R)
• M22: 15,399,156 km (0.112 R)
• M23: 15,900,907 km (0.063 R)
• M24: 16,621,670 km (0.066 R)
• M25: 19,433,212 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.8

Radius: 13.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.32 AU - 3.28 AU

Year: 3074 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,709,014 km

• M1: 172,786 km (0.119 R)
• M2: 682,914 km (0.072 R)
• M3: 1,178,532 km (0.046 R)
• M4: 1,628,971 km (0.119 R)
• M5: 2,514,740 km (0.076 R)
• M6: 3,352,039 km (0.092 R)
• M7: 4,368,258 km (0.083 R)
• M8: 5,530,334 km (0.087 R)
• M9: 6,238,680 km (0.064 R)
• M10: 10,805,753 km (0.063 R)
• M11: 11,703,939 km (0.055 R)
• M12: 14,311,280 km (0.101 R)
• M13: 18,456,039 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.38 AU - 3.8 AU

Year: 3563 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,709,014 km

• M1: 114,592 km (0.058 R)
• M2: 525,986 km (0.071 R)
• M3: 933,192 km (0.074 R)
• M4: 1,504,057 km (0.093 R)
• M5: 2,063,104 km (0.111 R)
• M6: 2,377,110 km (0.063 R)
• M7: 2,676,156 km (0.051 R)
• M8: 3,137,367 km (0.025 R)
• M9: 3,424,146 km (0.081 R)
• M10: 4,071,755 km (0.048 R)
• M11: 4,868,962 km (0.084 R)
• M12: 5,661,681 km (0.087 R)
• M13: 7,099,317 km (0.102 R)
• M14: 8,284,730 km (0.077 R)
• M15: 9,560,052 km (0.094 R)
• M16: 11,457,701 km (0.111 R)
• M17: 12,317,889 km (0.107 R)
• M18: 13,640,932 km (0.069 R)
• M19: 13,926,066 km (0.104 R)
• M20: 14,410,164 km (0.108 R)
• M21: 16,891,694 km (0.081 R)
• M22: 21,191,137 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.5

Radius: 9.7

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.62 AU - 4.34 AU

Year: 4259 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,709,014 km

• M1: 127,457 km (0.105 R)
• M2: 640,728 km (0.111 R)
• M3: 1,111,063 km (0.089 R)
• M4: 2,490,057 km (0.097 R)
• M5: 2,867,193 km (0.086 R)
• M6: 4,547,626 km (0.104 R)
• M7: 5,359,493 km (0.096 R)
• M8: 5,669,759 km (0.108 R)
• M9: 6,835,576 km (0.09 R)
• M10: 8,080,978 km (0.115 R)
• M11: 8,757,459 km (0.048 R)
• M12: 11,564,963 km (0.104 R)
• M13: 11,941,800 km (0.095 R)
• M14: 12,473,171 km (0.104 R)
• M15: 13,274,118 km (0.1 R)
• M16: 13,583,187 km (0.111 R)
• M17: 14,162,430 km (0.116 R)
• M18: 16,349,252 km (0.094 R)
• M19: 17,369,510 km (0.101 R)
• M20: 19,536,435 km (0.036 R)
• M21: 24,477,054 km (0.111 R)
• M22: 25,020,693 km (0.108 R)
• M23: 26,536,568 km (0.082 R)
• M24: 28,452,468 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 18,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit