🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58

Radius: 11.3

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.58 AU - 0.72 AU

Year: 355 Days

Day: 11.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 41,633,173 km

• M1: 145,858 km (0.107 R)
• M2: 1,005,597 km (0.077 R)
• M3: 1,645,577 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.4

Radius: 13.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.64 AU - 0.98 AU

Year: 494 Days

Day: 9.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,633,173 km

• M1: 166,652 km (0.097 R)
• M2: 583,581 km (0.09 R)
• M3: 1,149,660 km (0.056 R)
• M4: 1,598,004 km (0.104 R)
• M5: 2,097,063 km (0.114 R)
• M6: 2,630,230 km (0.06 R)
• M7: 3,071,992 km (0.045 R)
• M8: 3,490,418 km (0.034 R)
• M9: 4,190,236 km (0.068 R)
• M10: 4,920,274 km (0.075 R)
• M11: 6,012,039 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 13.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.91 AU - 1.03 AU

Year: 648 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,633,173 km

• M1: 169,195 km (0.07 R)
• M2: 729,439 km (0.114 R)
• M3: 1,212,790 km (0.117 R)
• M4: 1,672,355 km (0.119 R)
• M5: 2,657,307 km (0.091 R)
• M6: 3,362,212 km (0.118 R)
• M7: 4,294,057 km (0.108 R)
• M8: 4,780,400 km (0.039 R)
• M9: 6,937,601 km (0.086 R)
• M10: 7,432,770 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.1

Radius: 8.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.49 AU - 2.11 AU

Year: 1638 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,633,173 km

• M1: 110,702 km (0.111 R)
• M2: 398,828 km (0.114 R)
• M3: 968,646 km (0.061 R)
• M4: 1,289,833 km (0.103 R)
• M5: 2,016,579 km (0.072 R)
• M6: 2,735,547 km (0.1 R)
• M7: 3,989,177 km (0.068 R)
• M8: 8,090,702 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.9 AU - 2.18 AU

Year: 1976 Days

Day: 5.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,633,173 km

• M1: 99,483 km (0.12 R)
• M2: 355,744 km (0.098 R)
• M3: 842,685 km (0.109 R)
• M4: 1,119,740 km (0.067 R)
• M5: 1,399,937 km (0.081 R)
• M6: 1,775,428 km (0.042 R)
• M7: 2,105,740 km (0.118 R)
• M8: 2,931,819 km (0.086 R)
• M9: 3,457,057 km (0.118 R)
• M10: 3,874,286 km (0.113 R)
• M11: 4,271,019 km (0.064 R)
• M12: 6,181,085 km (0.098 R)
• M13: 6,969,316 km (0.038 R)
• M14: 7,297,534 km (0.038 R)
• M15: 7,689,181 km (0.09 R)
• M16: 8,715,273 km (0.117 R)
• M17: 9,156,287 km (0.1 R)
• M18: 11,799,532 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.4

Radius: 4.1

Gravity: 17.22 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.69 AU - 8.23 AU

Year: 12454 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,633,173 km

• M1: 51,162 km (0.113 R)
• M2: 202,855 km (0.06 R)
• M3: 340,784 km (0.114 R)
• M4: 640,279 km (0.099 R)
• M5: 816,056 km (0.113 R)
• M6: 1,849,179 km (0.109 R)
• M7: 2,692,313 km (0.062 R)
• M8: 3,967,934 km (0.088 R)
• M9: 4,124,862 km (0.089 R)
• M10: 5,248,791 km (0.083 R)
• M11: 7,045,013 km (0.053 R)
• M12: 7,236,797 km (0.06 R)
• M13: 7,630,838 km (0.105 R)
• M14: 8,248,378 km (0.095 R)
• M15: 8,504,489 km (0.032 R)
• M16: 8,810,118 km (0.053 R)
• M17: 9,213,583 km (0.075 R)
• M18: 10,251,643 km (0.07 R)
• M19: 11,105,548 km (0.116 R)
• M20: 11,523,225 km (0.102 R)
• M21: 13,357,893 km (0.1 R)
• M22: 14,436,344 km (0.078 R)
• M23: 15,442,539 km (0.093 R)
• M24: 17,038,150 km (0.071 R)
• M25: 18,813,578 km (0.085 R)
• M26: 18,960,782 km (0.119 R)
• M27: 19,708,173 km (0.092 R)
• M28: 22,810,683 km (0.075 R)
• M29: 24,608,999 km (0.09 R)
• M30: 26,223,759 km (0.068 R)
• M31: 28,971,722 km (0.107 R)
• M32: 31,697,096 km (0.082 R)
• M33: 34,258,810 km (0.098 R)
• M34: 34,698,777 km (0.086 R)
• M35: 35,702,579 km (0.078 R)
• M36: 39,427,865 km (0.035 R)
• M37: 41,012,555 km (0.101 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: 304 - 14,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit