🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 11.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.61 AU - 1.01 AU

Year: 503 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,630,646 km

• M1: 143,913 km (0.096 R)
• M2: 648,058 km (0.118 R)
• M3: 1,285,046 km (0.12 R)
• M4: 1,697,936 km (0.111 R)
• M5: 2,093,772 km (0.103 R)
• M6: 2,880,058 km (0.079 R)
• M7: 3,695,367 km (0.075 R)
• M8: 4,342,377 km (0.119 R)
• M9: 5,019,158 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332

Radius: 10.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.69 AU - 0.99 AU

Year: 531 Days

Day: 5.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,630,646 km

• M1: 126,111 km (0.032 R)
• M2: 455,675 km (0.03 R)
• M3: 794,813 km (0.026 R)
• M4: 1,376,001 km (0.081 R)
• M5: 1,745,059 km (0.089 R)
• M6: 2,122,195 km (0.087 R)
• M7: 2,516,386 km (0.044 R)
• M8: 3,216,504 km (0.108 R)
• M9: 3,594,837 km (0.065 R)
• M10: 4,015,656 km (0.063 R)
• M11: 4,332,354 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.3

Radius: 10.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.13 AU - 1.29 AU

Year: 919 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,630,646 km

• M1: 134,638 km (0.107 R)
• M2: 471,383 km (0.098 R)
• M3: 830,867 km (0.066 R)
• M4: 1,226,852 km (0.057 R)
• M5: 1,604,138 km (0.12 R)
• M6: 2,030,043 km (0.118 R)
• M7: 2,565,903 km (0.11 R)
• M8: 3,648,094 km (0.113 R)
• M9: 4,161,214 km (0.11 R)
• M10: 5,179,677 km (0.078 R)
• M11: 6,599,211 km (0.107 R)
• M12: 7,459,548 km (0.104 R)
• M13: 8,082,175 km (0.056 R)
• M14: 8,498,505 km (0.109 R)
• M15: 9,039,152 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32

Radius: 10.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.06 AU - 1.72 AU

Year: 1131 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,630,646 km

• M1: 133,142 km (0.1 R)
• M2: 498,460 km (0.107 R)
• M3: 972,237 km (0.1 R)
• M4: 1,608,776 km (0.11 R)
• M5: 2,043,657 km (0.104 R)
• M6: 2,895,018 km (0.118 R)
• M7: 3,674,722 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.3

Radius: 9.3

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.39 AU - 1.63 AU

Year: 1281 Days

Day: 5 Hours

Environment

Temp: -185 °C

Axial Tilt: 119.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,630,646 km

• M1: 115,639 km (0.074 R)
• M2: 423,362 km (0.106 R)
• M3: 727,644 km (0.093 R)
• M4: 1,056,759 km (0.097 R)
• M5: 2,565,454 km (0.07 R)
• M6: 3,719,901 km (0.082 R)
• M7: 5,110,114 km (0.068 R)
• M8: 5,516,571 km (0.105 R)
• M9: 7,961,748 km (0.064 R)
• M10: 8,820,440 km (0.08 R)
• M11: 9,287,185 km (0.099 R)
• M12: 10,623,543 km (0.108 R)
• M13: 11,219,541 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 9.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.23 AU - 1.95 AU

Year: 1384 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,630,646 km

• M1: 119,678 km (0.09 R)
• M2: 442,959 km (0.115 R)
• M3: 744,399 km (0.078 R)
• M4: 1,079,947 km (0.115 R)
• M5: 1,634,806 km (0.074 R)
• M6: 2,093,173 km (0.091 R)
• M7: 2,794,937 km (0.089 R)
• M8: 3,173,569 km (0.057 R)
• M9: 4,066,818 km (0.114 R)
• M10: 4,554,806 km (0.036 R)
• M11: 8,110,748 km (0.091 R)
• M12: 8,885,216 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.5

Radius: 8.3

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.05 AU - 3.97 AU

Year: 4539 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 76.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,630,646 km

• M1: 103,223 km (0.092 R)
• M2: 436,975 km (0.085 R)
• M3: 770,579 km (0.046 R)
• M4: 1,137,692 km (0.091 R)
• M5: 1,874,761 km (0.108 R)
• M6: 2,566,651 km (0.071 R)
• M7: 3,337,678 km (0.055 R)
• M8: 3,669,187 km (0.07 R)
• M9: 3,977,209 km (0.029 R)
• M10: 4,695,877 km (0.099 R)
• M11: 5,991,993 km (0.111 R)
• M12: 6,326,943 km (0.063 R)
• M13: 10,662,588 km (0.09 R)
• M14: 12,138,222 km (0.092 R)
• M15: 13,955,836 km (0.039 R)
• M16: 14,275,377 km (0.044 R)
• M17: 15,432,965 km (0.116 R)
• M18: 16,180,206 km (0.091 R)
• M19: 16,951,234 km (0.064 R)
• M20: 18,888,676 km (0.048 R)
• M21: 19,543,915 km (0.107 R)
• M22: 23,049,442 km (0.066 R)
• M23: 23,421,491 km (0.084 R)
• M24: 23,722,034 km (0.111 R)
• M25: 25,579,890 km (0.103 R)
• M26: 28,459,798 km (0.073 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 13,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit