🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 12.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.84 AU - 0.98 AU

Year: 552 Days

Day: 12.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,000,319 km

• M1: 159,322 km (0.11 R)
• M2: 642,822 km (0.088 R)
• M3: 1,066,782 km (0.037 R)
• M4: 1,515,875 km (0.069 R)
• M5: 1,987,408 km (0.059 R)
• M6: 2,577,871 km (0.105 R)
• M7: 3,042,671 km (0.092 R)
• M8: 4,770,078 km (0.107 R)
• M9: 5,336,754 km (0.111 R)
• M10: 6,098,656 km (0.087 R)
• M11: 6,506,161 km (0.043 R)
• M12: 6,911,122 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.9

Radius: 14.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.08 AU - 1.64 AU

Year: 1008 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,000,319 km

• M1: 180,265 km (0.085 R)
• M2: 815,009 km (0.1 R)
• M3: 1,305,989 km (0.112 R)
• M4: 1,793,230 km (0.071 R)
• M5: 2,413,163 km (0.111 R)
• M6: 3,185,687 km (0.094 R)
• M7: 4,519,800 km (0.099 R)
• M8: 5,258,365 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.3

Radius: 13.1

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.32 AU - 2.56 AU

Year: 2423 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,000,319 km

• M1: 162,912 km (0.12 R)
• M2: 580,440 km (0.11 R)
• M3: 1,026,840 km (0.079 R)
• M4: 1,523,505 km (0.11 R)
• M5: 2,373,819 km (0.096 R)
• M6: 3,265,123 km (0.065 R)
• M7: 3,807,266 km (0.104 R)
• M8: 4,874,347 km (0.107 R)
• M9: 5,780,163 km (0.081 R)
• M10: 6,208,910 km (0.066 R)
• M11: 7,273,598 km (0.113 R)
• M12: 8,424,454 km (0.099 R)
• M13: 9,178,129 km (0.067 R)
• M14: 9,940,479 km (0.107 R)
• M15: 11,434,663 km (0.103 R)
• M16: 13,202,760 km (0.112 R)
• M17: 16,113,187 km (0.06 R)
• M18: 17,534,666 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915

Radius: 11

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.88 AU - 4.22 AU

Year: 5182 Days

Day: 14.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,000,319 km

• M1: 140,772 km (0.08 R)
• M2: 512,971 km (0.062 R)
• M3: 972,685 km (0.113 R)
• M4: 1,355,806 km (0.119 R)
• M5: 2,148,973 km (0.092 R)
• M6: 2,526,409 km (0.116 R)
• M7: 3,331,993 km (0.1 R)
• M8: 4,376,935 km (0.048 R)
• M9: 5,389,712 km (0.064 R)
• M10: 6,222,523 km (0.118 R)
• M11: 7,246,222 km (0.092 R)
• M12: 8,143,210 km (0.066 R)
• M13: 8,538,149 km (0.071 R)
• M14: 9,281,501 km (0.094 R)
• M15: 9,933,448 km (0.117 R)
• M16: 11,039,724 km (0.085 R)
• M17: 12,903,714 km (0.063 R)
• M18: 13,496,122 km (0.089 R)
• M19: 13,882,533 km (0.053 R)
• M20: 14,910,270 km (0.085 R)
• M21: 18,230,894 km (0.074 R)
• M22: 20,314,044 km (0.07 R)
• M23: 22,243,857 km (0.117 R)
• M24: 24,455,662 km (0.079 R)
• M25: 25,363,272 km (0.079 R)
• M26: 29,312,057 km (0.101 R)
• M27: 29,961,013 km (0.078 R)
• M28: 33,250,520 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 12.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.44 AU - 5.68 AU

Year: 7237 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,000,319 km

• M1: 161,416 km (0.104 R)
• M2: 683,213 km (0.077 R)
• M3: 1,209,200 km (0.026 R)
• M4: 1,710,352 km (0.083 R)
• M5: 2,427,076 km (0.102 R)
• M6: 3,555,493 km (0.078 R)
• M7: 4,319,639 km (0.116 R)
• M8: 5,997,827 km (0.063 R)
• M9: 7,114,875 km (0.119 R)
• M10: 7,969,079 km (0.1 R)
• M11: 8,700,612 km (0.12 R)
• M12: 9,199,820 km (0.106 R)
• M13: 10,553,681 km (0.098 R)
• M14: 11,346,101 km (0.104 R)
• M15: 14,066,837 km (0.099 R)
• M16: 15,411,722 km (0.084 R)
• M17: 16,201,300 km (0.043 R)
• M18: 17,077,195 km (0.038 R)
• M19: 18,481,171 km (0.077 R)
• M20: 19,243,522 km (0.11 R)
• M21: 20,493,412 km (0.11 R)
• M22: 20,967,338 km (0.111 R)
• M23: 22,007,492 km (0.117 R)
• M24: 25,180,164 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.7

Radius: 13

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.8 AU - 6.42 AU

Year: 8448 Days

Day: 9.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,000,319 km

• M1: 165,605 km (0.061 R)
• M2: 1,162,824 km (0.093 R)
• M3: 1,759,421 km (0.112 R)
• M4: 2,446,224 km (0.103 R)
• M5: 2,853,280 km (0.03 R)
• M6: 3,382,857 km (0.11 R)
• M7: 4,335,346 km (0.064 R)
• M8: 4,862,380 km (0.119 R)
• M9: 5,405,270 km (0.119 R)
• M10: 5,902,683 km (0.085 R)
• M11: 6,831,088 km (0.111 R)
• M12: 9,637,992 km (0.106 R)
• M13: 13,335,902 km (0.107 R)
• M14: 14,508,301 km (0.06 R)
• M15: 17,648,809 km (0.079 R)
• M16: 19,187,273 km (0.1 R)
• M17: 19,891,879 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.5

Radius: 5.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.63 AU - 9.33 AU

Year: 13007 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 117.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,000,319 km

• M1: 68,366 km (0.085 R)
• M2: 253,419 km (0.095 R)
• M3: 508,782 km (0.074 R)
• M4: 1,050,177 km (0.057 R)
• M5: 1,625,231 km (0.065 R)
• M6: 3,328,253 km (0.11 R)
• M7: 4,464,449 km (0.038 R)
• M8: 4,922,518 km (0.047 R)
• M9: 5,177,433 km (0.098 R)
• M10: 5,837,907 km (0.111 R)
• M11: 6,253,640 km (0.12 R)
• M12: 8,880,279 km (0.041 R)
• M13: 10,273,933 km (0.109 R)
• M14: 11,022,670 km (0.064 R)
• M15: 11,361,360 km (0.067 R)
• M16: 12,059,683 km (0.111 R)
• M17: 16,108,998 km (0.078 R)
• M18: 16,419,862 km (0.064 R)
• M19: 19,191,013 km (0.111 R)
• M20: 23,668,328 km (0.079 R)
• M21: 25,977,221 km (0.065 R)
• M22: 31,132,962 km (0.096 R)
• M23: 31,421,836 km (0.094 R)
• M24: 31,907,131 km (0.085 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 13,641 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit