🌌 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: 83.4

Radius: 10.1

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.64 AU - 0.94 AU

Year: 476 Days

Day: 8.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,309,496 km

• M1: 125,662 km (0.103 R)
• M2: 471,682 km (0.101 R)
• M3: 867,518 km (0.115 R)
• M4: 1,461,571 km (0.088 R)
• M5: 2,390,574 km (0.03 R)
• M6: 2,801,071 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.3

Radius: 13.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.01 AU - 1.67 AU

Year: 1052 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,309,496 km

• M1: 172,935 km (0.093 R)
• M2: 697,724 km (0.09 R)
• M3: 1,299,706 km (0.099 R)
• M4: 1,895,704 km (0.114 R)
• M5: 2,342,703 km (0.104 R)
• M6: 2,861,059 km (0.099 R)
• M7: 4,049,764 km (0.064 R)
• M8: 6,009,197 km (0.1 R)
• M9: 6,848,291 km (0.077 R)
• M10: 8,025,327 km (0.103 R)
• M11: 9,216,575 km (0.072 R)
• M12: 10,586,144 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 8.8

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.43 AU - 2.17 AU

Year: 1638 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,309,496 km

• M1: 109,506 km (0.11 R)
• M2: 390,750 km (0.089 R)
• M3: 711,936 km (0.025 R)
• M4: 1,680,582 km (0.1 R)
• M5: 2,028,098 km (0.109 R)
• M6: 2,347,939 km (0.05 R)
• M7: 3,030,554 km (0.119 R)
• M8: 3,874,585 km (0.093 R)
• M9: 4,525,635 km (0.087 R)
• M10: 5,161,426 km (0.118 R)
• M11: 6,409,670 km (0.089 R)
• M12: 6,867,440 km (0.035 R)
• M13: 7,962,795 km (0.089 R)
• M14: 9,265,793 km (0.088 R)
• M15: 11,313,937 km (0.077 R)
• M16: 13,400,229 km (0.111 R)
• M17: 14,064,743 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.2

Radius: 8.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.61 AU - 2.73 AU

Year: 2959 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,309,496 km

• M1: 106,214 km (0.028 R)
• M2: 393,891 km (0.111 R)
• M3: 875,746 km (0.099 R)
• M4: 1,519,166 km (0.114 R)
• M5: 2,951,716 km (0.111 R)
• M6: 3,430,728 km (0.079 R)
• M7: 4,062,779 km (0.113 R)
• M8: 4,618,685 km (0.068 R)
• M9: 5,023,496 km (0.077 R)
• M10: 5,794,374 km (0.074 R)
• M11: 9,074,756 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279

Radius: 12.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.35 AU - 3.09 AU

Year: 3043 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,309,496 km

• M1: 157,975 km (0.096 R)
• M2: 689,347 km (0.086 R)
• M3: 1,199,625 km (0.106 R)
• M4: 1,627,625 km (0.12 R)
• M5: 2,408,675 km (0.106 R)
• M6: 4,369,305 km (0.075 R)
• M7: 4,966,051 km (0.075 R)
• M8: 5,409,010 km (0.091 R)
• M9: 6,374,664 km (0.116 R)
• M10: 7,945,293 km (0.07 R)
• M11: 8,584,674 km (0.099 R)
• M12: 10,566,098 km (0.037 R)
• M13: 11,721,442 km (0.117 R)
• M14: 12,470,329 km (0.083 R)
• M15: 13,674,442 km (0.082 R)
• M16: 14,863,745 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.3

Radius: 7

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.31 AU - 8.15 AU

Year: 14577 Days

Day: 18.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,309,496 km

• M1: 88,412 km (0.117 R)
• M2: 398,529 km (0.11 R)
• M3: 724,502 km (0.111 R)
• M4: 1,947,914 km (0.073 R)
• M5: 2,335,073 km (0.111 R)
• M6: 2,557,675 km (0.081 R)
• M7: 2,975,950 km (0.114 R)
• M8: 3,837,634 km (0.096 R)
• M9: 6,989,811 km (0.08 R)
• M10: 9,681,525 km (0.098 R)
• M11: 9,941,676 km (0.059 R)
• M12: 10,313,876 km (0.104 R)
• M13: 11,371,084 km (0.087 R)
• M14: 11,602,512 km (0.111 R)
• M15: 13,440,022 km (0.07 R)
• M16: 13,895,249 km (0.113 R)
• M17: 14,226,608 km (0.084 R)
• M18: 15,605,152 km (0.039 R)
• M19: 16,180,805 km (0.083 R)
• M20: 17,450,741 km (0.069 R)
• M21: 19,028,400 km (0.056 R)
• M22: 22,103,534 km (0.115 R)
• M23: 25,199,761 km (0.117 R)
• M24: 26,596,557 km (0.062 R)
• M25: 36,955,012 km (0.106 R)
• M26: 46,394,488 km (0.044 R)
• M27: 54,321,380 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 14,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit