🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 14.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.52 AU - 0.74 AU

Year: 339 Days

Day: 12.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,031,871 km

• M1: 177,872 km (0.103 R)
• M2: 763,248 km (0.033 R)
• M3: 1,343,987 km (0.075 R)
• M4: 1,861,746 km (0.079 R)
• M5: 2,354,521 km (0.087 R)
• M6: 3,121,360 km (0.107 R)
• M7: 3,681,604 km (0.025 R)
• M8: 4,177,969 km (0.088 R)
• M9: 5,036,512 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.7

Radius: 12.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.78 AU - 1.12 AU

Year: 628 Days

Day: 8.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,031,871 km

• M1: 154,385 km (0.105 R)
• M2: 590,762 km (0.119 R)
• M3: 1,168,210 km (0.043 R)
• M4: 1,556,865 km (0.084 R)
• M5: 2,000,124 km (0.118 R)
• M6: 2,608,089 km (0.081 R)
• M7: 3,034,593 km (0.105 R)
• M8: 4,140,869 km (0.085 R)
• M9: 4,710,239 km (0.109 R)
• M10: 5,381,484 km (0.101 R)
• M11: 6,133,812 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.5

Radius: 13.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.99 AU - 1.25 AU

Year: 804 Days

Day: 12 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,031,871 km

• M1: 169,195 km (0.102 R)
• M2: 721,810 km (0.104 R)
• M3: 1,190,350 km (0.095 R)
• M4: 1,851,722 km (0.118 R)
• M5: 2,496,040 km (0.092 R)
• M6: 3,209,772 km (0.099 R)
• M7: 3,692,674 km (0.041 R)
• M8: 5,241,909 km (0.097 R)
• M9: 6,093,121 km (0.089 R)
• M10: 6,710,362 km (0.04 R)
• M11: 7,552,000 km (0.114 R)
• M12: 8,070,805 km (0.026 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 15

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.75 AU - 1.89 AU

Year: 1665 Days

Day: 12.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,031,871 km

• M1: 186,549 km (0.073 R)
• M2: 698,772 km (0.05 R)
• M3: 1,171,800 km (0.12 R)
• M4: 2,079,859 km (0.106 R)
• M5: 4,388,154 km (0.032 R)
• M6: 5,050,424 km (0.115 R)
• M7: 6,530,545 km (0.059 R)
• M8: 7,805,718 km (0.049 R)
• M9: 8,725,445 km (0.064 R)
• M10: 9,807,487 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 11.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.48 AU - 3.24 AU

Year: 3281 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,031,871 km

• M1: 145,559 km (0.057 R)
• M2: 532,269 km (0.101 R)
• M3: 962,662 km (0.1 R)
• M4: 1,652,608 km (0.117 R)
• M5: 2,078,214 km (0.112 R)
• M6: 3,138,863 km (0.046 R)
• M7: 3,630,890 km (0.076 R)
• M8: 4,174,229 km (0.115 R)
• M9: 5,696,986 km (0.077 R)
• M10: 7,562,023 km (0.083 R)
• M11: 8,287,423 km (0.03 R)
• M12: 8,818,944 km (0.116 R)
• M13: 9,515,322 km (0.073 R)
• M14: 9,913,701 km (0.1 R)
• M15: 11,256,193 km (0.077 R)
• M16: 15,162,492 km (0.051 R)
• M17: 15,557,281 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 12.1

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.67 AU - 3.27 AU

Year: 3472 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,031,871 km

• M1: 151,094 km (0.095 R)
• M2: 559,197 km (0.081 R)
• M3: 947,104 km (0.112 R)
• M4: 1,506,750 km (0.045 R)
• M5: 1,930,261 km (0.084 R)
• M6: 2,407,927 km (0.109 R)
• M7: 3,024,570 km (0.058 R)
• M8: 3,639,567 km (0.103 R)
• M9: 4,126,208 km (0.079 R)
• M10: 4,554,657 km (0.117 R)
• M11: 4,969,940 km (0.115 R)
• M12: 5,501,611 km (0.061 R)
• M13: 6,219,531 km (0.026 R)
• M14: 7,525,521 km (0.101 R)
• M15: 7,959,804 km (0.116 R)
• M16: 11,260,381 km (0.114 R)
• M17: 11,984,585 km (0.062 R)
• M18: 14,083,144 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 12.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.93 AU - 3.49 AU

Year: 3901 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 95.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,031,871 km

• M1: 154,235 km (0.111 R)
• M2: 637,437 km (0.029 R)
• M3: 1,220,270 km (0.108 R)
• M4: 2,094,969 km (0.107 R)
• M5: 2,565,603 km (0.057 R)
• M6: 3,387,195 km (0.08 R)
• M7: 3,939,810 km (0.097 R)
• M8: 4,485,842 km (0.06 R)
• M9: 5,058,054 km (0.051 R)
• M10: 7,595,084 km (0.105 R)
• M11: 8,077,387 km (0.078 R)
• M12: 8,891,649 km (0.077 R)
• M13: 9,355,252 km (0.073 R)
• M14: 12,795,555 km (0.087 R)
• M15: 13,760,461 km (0.043 R)
• M16: 15,323,310 km (0.091 R)
• M17: 16,095,385 km (0.116 R)
• M18: 16,517,699 km (0.076 R)
• M19: 16,947,344 km (0.112 R)
• M20: 18,452,748 km (0.095 R)
• M21: 18,973,947 km (0.049 R)
• M22: 20,534,851 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 11,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit