🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.2

Radius: 14.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.46 AU - 0.56 AU

Year: 251 Days

Day: 8 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,329,834 km

• M1: 179,069 km (0.094 R)
• M2: 645,515 km (0.063 R)
• M3: 1,118,394 km (0.077 R)
• M4: 1,588,131 km (0.086 R)
• M5: 2,341,057 km (0.108 R)
• M6: 3,123,005 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.6

Radius: 9.8

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.73 AU - 0.77 AU

Year: 448 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,329,834 km

• M1: 121,922 km (0.045 R)
• M2: 441,763 km (0.061 R)
• M3: 760,256 km (0.095 R)
• M4: 1,271,582 km (0.038 R)
• M5: 2,160,792 km (0.071 R)
• M6: 2,495,741 km (0.117 R)
• M7: 3,000,484 km (0.043 R)
• M8: 3,864,113 km (0.105 R)
• M9: 5,398,688 km (0.117 R)
• M10: 6,283,410 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.8

Radius: 10.3

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.73 AU - 0.89 AU

Year: 503 Days

Day: 8.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,329,834 km

• M1: 128,056 km (0.061 R)
• M2: 508,633 km (0.092 R)
• M3: 886,966 km (0.116 R)
• M4: 1,276,967 km (0.069 R)
• M5: 1,707,211 km (0.081 R)
• M6: 2,323,554 km (0.104 R)
• M7: 2,659,102 km (0.066 R)
• M8: 3,115,974 km (0.071 R)
• M9: 3,738,002 km (0.059 R)
• M10: 4,229,730 km (0.079 R)
• M11: 4,748,984 km (0.106 R)
• M12: 5,375,500 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.5

Radius: 8.4

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.83 AU - 0.89 AU

Year: 551 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,329,834 km

• M1: 104,419 km (0.068 R)
• M2: 426,803 km (0.104 R)
• M3: 998,865 km (0.063 R)
• M4: 2,242,472 km (0.059 R)
• M5: 2,513,693 km (0.106 R)
• M6: 2,870,484 km (0.076 R)
• M7: 3,145,744 km (0.117 R)
• M8: 3,462,892 km (0.083 R)
• M9: 4,107,210 km (0.107 R)
• M10: 4,723,104 km (0.119 R)
• M11: 5,700,726 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.6

Radius: 14.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.21 AU - 1.45 AU

Year: 1059 Days

Day: 13.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,329,834 km

• M1: 176,675 km (0.107 R)
• M2: 635,791 km (0.071 R)
• M3: 1,095,505 km (0.096 R)
• M4: 1,656,048 km (0.076 R)
• M5: 2,344,199 km (0.072 R)
• M6: 3,050,151 km (0.094 R)
• M7: 3,925,149 km (0.106 R)
• M8: 4,820,791 km (0.119 R)
• M9: 5,671,106 km (0.053 R)
• M10: 6,174,054 km (0.093 R)
• M11: 6,684,781 km (0.098 R)
• M12: 7,177,706 km (0.06 R)
• M13: 7,987,479 km (0.113 R)
• M14: 8,778,253 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.1

Radius: 12.1

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.67 AU - 3.83 AU

Year: 5013 Days

Day: 14.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,329,834 km

• M1: 151,094 km (0.112 R)
• M2: 662,569 km (0.094 R)
• M3: 1,332,618 km (0.098 R)
• M4: 2,072,678 km (0.098 R)
• M5: 3,245,975 km (0.094 R)
• M6: 6,221,626 km (0.053 R)
• M7: 8,587,217 km (0.106 R)
• M8: 14,376,206 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.9

Radius: 6.4

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.06 AU - 8.44 AU

Year: 12105 Days

Day: 20 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,329,834 km

• M1: 79,586 km (0.054 R)
• M2: 327,619 km (0.071 R)
• M3: 804,089 km (0.058 R)
• M4: 1,285,644 km (0.114 R)
• M5: 2,514,591 km (0.071 R)
• M6: 3,006,020 km (0.107 R)
• M7: 3,483,536 km (0.082 R)
• M8: 4,121,870 km (0.055 R)
• M9: 7,385,497 km (0.119 R)
• M10: 7,854,337 km (0.097 R)
• M11: 10,607,835 km (0.109 R)
• M12: 11,483,282 km (0.116 R)
• M13: 11,881,063 km (0.086 R)
• M14: 12,287,969 km (0.12 R)
• M15: 13,627,618 km (0.029 R)
• M16: 15,129,132 km (0.067 R)
• M17: 15,884,900 km (0.076 R)
• M18: 22,242,959 km (0.114 R)
• M19: 23,129,327 km (0.083 R)
• M20: 24,039,181 km (0.114 R)
• M21: 24,972,522 km (0.097 R)
• M22: 25,543,986 km (0.101 R)
• M23: 27,110,575 km (0.117 R)
• M24: 27,613,074 km (0.093 R)
• M25: 28,019,532 km (0.11 R)
• M26: 28,429,879 km (0.075 R)
• M27: 30,867,725 km (0.09 R)
• M28: 32,643,452 km (0.052 R)
• M29: 33,903,066 km (0.103 R)
• M30: 37,131,837 km (0.115 R)
• M31: 44,331,384 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.9

Radius: 7.3

Gravity: 16.79 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.9 AU - 9.96 AU

Year: 16895 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,329,834 km

• M1: 94,546 km (0.113 R)
• M2: 326,572 km (0.041 R)
• M3: 608,115 km (0.047 R)
• M4: 914,043 km (0.106 R)
• M5: 1,223,112 km (0.112 R)
• M6: 1,634,656 km (0.118 R)
• M7: 2,156,005 km (0.053 R)
• M8: 3,273,800 km (0.093 R)
• M9: 6,457,990 km (0.064 R)
• M10: 6,721,432 km (0.063 R)
• M11: 8,249,874 km (0.116 R)
• M12: 8,718,414 km (0.092 R)
• M13: 12,442,354 km (0.1 R)
• M14: 13,198,272 km (0.116 R)
• M15: 13,767,043 km (0.049 R)
• M16: 14,204,318 km (0.026 R)
• M17: 16,287,319 km (0.115 R)
• M18: 19,919,256 km (0.06 R)
• M19: 20,952,827 km (0.12 R)
• M20: 22,922,732 km (0.115 R)
• M21: 24,162,300 km (0.082 R)
• M22: 27,113,417 km (0.04 R)
• M23: 29,209,134 km (0.039 R)
• M24: 30,541,602 km (0.119 R)
• M25: 36,832,641 km (0.096 R)
• M26: 38,243,948 km (0.04 R)
• M27: 38,962,915 km (0.112 R)
• M28: 39,398,544 km (0.091 R)
• M29: 43,001,609 km (0.11 R)
• M30: 43,622,739 km (0.105 R)
• M31: 48,473,450 km (0.113 R)
• M32: 70,178,156 km (0.052 R)
• M33: 72,562,298 km (0.089 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: 466 - 11,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit