🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 11.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.81 AU - 1.33 AU

Year: 751 Days

Day: 6.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,016,740 km

• M1: 144,212 km (0.106 R)
• M2: 986,299 km (0.096 R)
• M3: 2,485,419 km (0.075 R)
• M4: 2,894,569 km (0.082 R)
• M5: 4,251,721 km (0.045 R)
• M6: 6,261,718 km (0.098 R)
• M7: 7,131,480 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.8

Radius: 12.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.06 AU - 1.46 AU

Year: 959 Days

Day: 14.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,016,740 km

• M1: 156,629 km (0.067 R)
• M2: 787,034 km (0.1 R)
• M3: 1,235,230 km (0.086 R)
• M4: 1,710,053 km (0.071 R)
• M5: 2,112,920 km (0.095 R)
• M6: 2,530,298 km (0.106 R)
• M7: 2,938,551 km (0.073 R)
• M8: 3,472,915 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 12.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.98 AU - 1.6 AU

Year: 994 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,016,740 km

• M1: 157,975 km (0.09 R)
• M2: 561,441 km (0.077 R)
• M3: 1,085,931 km (0.082 R)
• M4: 1,899,145 km (0.11 R)
• M5: 2,487,513 km (0.096 R)
• M6: 2,917,757 km (0.063 R)
• M7: 4,111,997 km (0.025 R)
• M8: 4,805,832 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 14.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.32 AU - 1.34 AU

Year: 1040 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,016,740 km

• M1: 176,675 km (0.085 R)
• M2: 712,834 km (0.111 R)
• M3: 1,312,273 km (0.039 R)
• M4: 2,138,950 km (0.108 R)
• M5: 2,721,036 km (0.069 R)
• M6: 3,585,711 km (0.111 R)
• M7: 4,174,828 km (0.102 R)
• M8: 4,884,221 km (0.101 R)
• M9: 6,318,715 km (0.084 R)
• M10: 7,134,023 km (0.075 R)
• M11: 7,835,936 km (0.061 R)
• M12: 8,528,724 km (0.109 R)
• M13: 9,175,137 km (0.031 R)
• M14: 10,440,286 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.3

Radius: 9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.15 AU - 2.61 AU

Year: 2490 Days

Day: 12.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,016,740 km

• M1: 112,348 km (0.087 R)
• M2: 652,546 km (0.109 R)
• M3: 941,419 km (0.045 R)
• M4: 1,276,219 km (0.084 R)
• M5: 1,640,640 km (0.119 R)
• M6: 3,688,635 km (0.042 R)
• M7: 4,357,636 km (0.074 R)
• M8: 4,889,606 km (0.112 R)
• M9: 5,215,730 km (0.09 R)
• M10: 5,839,553 km (0.076 R)
• M11: 6,358,358 km (0.111 R)
• M12: 6,854,126 km (0.069 R)
• M13: 10,281,114 km (0.098 R)
• M14: 10,673,210 km (0.116 R)
• M15: 11,038,228 km (0.081 R)
• M16: 13,196,776 km (0.09 R)
• M17: 13,574,960 km (0.079 R)

Asteroid Belt

Center: 4.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.6

Radius: 5.5

Gravity: 30.27 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.58 AU - 8 AU

Year: 13350 Days

Day: 23.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,016,740 km

• M1: 68,366 km (0.053 R)
• M2: 279,898 km (0.096 R)
• M3: 528,080 km (0.118 R)
• M4: 712,834 km (0.099 R)
• M5: 2,604,050 km (0.025 R)
• M6: 3,076,929 km (0.1 R)
• M7: 3,255,399 km (0.057 R)
• M8: 3,661,109 km (0.095 R)
• M9: 5,856,906 km (0.06 R)
• M10: 6,212,052 km (0.065 R)
• M11: 7,824,567 km (0.052 R)
• M12: 9,269,084 km (0.1 R)
• M13: 9,970,997 km (0.059 R)
• M14: 10,420,240 km (0.103 R)
• M15: 11,000,679 km (0.112 R)
• M16: 11,480,141 km (0.074 R)
• M17: 13,606,824 km (0.037 R)
• M18: 18,286,694 km (0.098 R)
• M19: 18,536,971 km (0.117 R)
• M20: 19,215,697 km (0.044 R)
• M21: 23,150,121 km (0.069 R)
• M22: 26,087,026 km (0.11 R)
• M23: 29,720,310 km (0.105 R)
• M24: 31,597,464 km (0.029 R)
• M25: 34,432,194 km (0.057 R)
• M26: 36,369,486 km (0.114 R)
• M27: 39,340,650 km (0.118 R)
• M28: 44,846,749 km (0.114 R)
• M29: 46,376,686 km (0.101 R)
• M30: 56,645,832 km (0.068 R)
• M31: 56,822,806 km (0.066 R)
• M32: 57,000,080 km (0.077 R)
• M33: 61,182,088 km (0.119 R)
• M34: 61,368,338 km (0.097 R)
• M35: 63,442,961 km (0.058 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 16,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit