🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.6

Radius: 14.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.41 AU - 0.63 AU

Year: 264 Days

Day: 5.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,304,396 km

• M1: 181,612 km (0.074 R)
• M2: 659,128 km (0.089 R)
• M3: 1,162,675 km (0.107 R)
• M4: 1,635,554 km (0.041 R)
• M5: 2,209,710 km (0.093 R)
• M6: 2,946,031 km (0.087 R)
• M7: 3,419,508 km (0.054 R)
• M8: 4,095,541 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.4

Radius: 14.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.82 AU - 1.14 AU

Year: 682 Days

Day: 6.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,304,396 km

• M1: 179,069 km (0.077 R)
• M2: 822,190 km (0.1 R)
• M3: 1,384,079 km (0.092 R)
• M4: 2,197,443 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277

Radius: 12.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.78 AU - 1.18 AU

Year: 682 Days

Day: 11.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,304,396 km

• M1: 159,172 km (0.095 R)
• M2: 579,692 km (0.078 R)
• M3: 978,071 km (0.075 R)
• M4: 1,725,761 km (0.118 R)
• M5: 2,219,733 km (0.097 R)
• M6: 3,140,209 km (0.052 R)
• M7: 3,620,568 km (0.079 R)
• M8: 4,204,149 km (0.101 R)
• M9: 4,880,331 km (0.102 R)
• M10: 5,728,551 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.3

Radius: 10.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.98 AU - 1.14 AU

Year: 767 Days

Day: 5.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,304,396 km

• M1: 129,402 km (0.05 R)
• M2: 622,178 km (0.03 R)
• M3: 1,106,575 km (0.103 R)
• M4: 1,437,037 km (0.112 R)
• M5: 1,961,677 km (0.086 R)
• M6: 2,333,577 km (0.112 R)
• M7: 3,244,628 km (0.086 R)
• M8: 4,140,121 km (0.085 R)
• M9: 4,579,490 km (0.076 R)
• M10: 5,003,151 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.4

Radius: 12

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.87 AU - 1.35 AU

Year: 822 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,304,396 km

• M1: 149,897 km (0.11 R)
• M2: 831,764 km (0.045 R)
• M3: 1,302,249 km (0.081 R)
• M4: 2,916,111 km (0.095 R)
• M5: 3,906,898 km (0.107 R)
• M6: 4,627,212 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 12.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.88 AU - 1.44 AU

Year: 878 Days

Day: 6.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,304,396 km

• M1: 155,582 km (0.055 R)
• M2: 614,249 km (0.115 R)
• M3: 1,078,900 km (0.107 R)
• M4: 1,611,319 km (0.119 R)
• M5: 2,051,436 km (0.038 R)
• M6: 2,506,812 km (0.113 R)
• M7: 3,364,606 km (0.098 R)
• M8: 4,202,952 km (0.046 R)
• M9: 4,893,646 km (0.114 R)
• M10: 6,030,141 km (0.075 R)
• M11: 6,736,093 km (0.07 R)
• M12: 7,131,630 km (0.082 R)
• M13: 8,463,200 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 15

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.86 AU - 1.88 AU

Year: 1798 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,304,396 km

• M1: 186,549 km (0.074 R)
• M2: 663,766 km (0.114 R)
• M3: 1,399,488 km (0.108 R)
• M4: 2,086,292 km (0.075 R)
• M5: 2,562,312 km (0.068 R)
• M6: 4,168,245 km (0.098 R)
• M7: 4,689,594 km (0.1 R)
• M8: 5,520,012 km (0.085 R)
• M9: 6,102,546 km (0.043 R)
• M10: 7,282,574 km (0.079 R)
• M11: 8,189,885 km (0.102 R)
• M12: 8,918,875 km (0.114 R)
• M13: 9,559,154 km (0.071 R)
• M14: 12,550,663 km (0.119 R)
• M15: 13,355,948 km (0.03 R)
• M16: 14,152,557 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.3

Radius: 10.9

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.04 AU - 4.18 AU

Year: 5857 Days

Day: 10.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,304,396 km

• M1: 206,445 km (0.087 R)
• M2: 642,972 km (0.07 R)
• M3: 1,051,523 km (0.053 R)
• M4: 1,471,295 km (0.112 R)
• M5: 2,568,296 km (0.053 R)
• M6: 3,070,197 km (0.108 R)
• M7: 4,093,895 km (0.03 R)
• M8: 4,508,431 km (0.064 R)
• M9: 5,891,314 km (0.066 R)
• M10: 6,875,069 km (0.114 R)
• M11: 15,258,384 km (0.082 R)
• M12: 17,504,148 km (0.049 R)
• M13: 19,309,046 km (0.096 R)
• M14: 23,612,528 km (0.101 R)
• M15: 24,275,246 km (0.059 R)
• M16: 26,162,124 km (0.079 R)
• M17: 34,798,260 km (0.052 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 11,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit