🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.5

Radius: 15

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.49 AU - 0.65 AU

Year: 297 Days

Day: 7.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,680,895 km

• M1: 186,549 km (0.105 R)
• M2: 682,765 km (0.072 R)
• M3: 1,160,281 km (0.079 R)
• M4: 1,945,221 km (0.113 R)
• M5: 2,476,294 km (0.03 R)
• M6: 2,951,117 km (0.12 R)
• M7: 3,447,932 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.7

Radius: 12.8

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.82 AU - 0.84 AU

Year: 522 Days

Day: 13.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,680,895 km

• M1: 159,322 km (0.068 R)
• M2: 636,539 km (0.1 R)
• M3: 1,120,787 km (0.091 R)
• M4: 2,035,279 km (0.051 R)
• M5: 2,523,716 km (0.076 R)
• M6: 3,102,361 km (0.118 R)
• M7: 3,566,862 km (0.084 R)
• M8: 4,209,534 km (0.057 R)
• M9: 4,846,373 km (0.074 R)
• M10: 5,387,319 km (0.08 R)
• M11: 6,651,570 km (0.116 R)
• M12: 7,321,170 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 11.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.83 AU - 0.91 AU

Year: 560 Days

Day: 12 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,680,895 km

• M1: 146,756 km (0.047 R)
• M2: 692,040 km (0.094 R)
• M3: 1,194,838 km (0.099 R)
• M4: 1,579,305 km (0.025 R)
• M5: 2,030,492 km (0.094 R)
• M6: 2,649,977 km (0.041 R)
• M7: 3,569,106 km (0.118 R)
• M8: 4,720,262 km (0.113 R)
• M9: 5,105,027 km (0.117 R)
• M10: 6,085,492 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.5

Radius: 9.3

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.35 AU - 1.39 AU

Year: 1107 Days

Day: 6.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,680,895 km

• M1: 115,789 km (0.106 R)
• M2: 407,505 km (0.109 R)
• M3: 755,320 km (0.073 R)
• M4: 1,077,254 km (0.048 R)
• M5: 1,458,579 km (0.102 R)
• M6: 2,343,899 km (0.111 R)
• M7: 2,673,912 km (0.108 R)
• M8: 3,368,346 km (0.07 R)
• M9: 4,091,801 km (0.055 R)
• M10: 4,837,696 km (0.117 R)
• M11: 5,911,061 km (0.075 R)
• M12: 6,622,249 km (0.075 R)
• M13: 7,185,934 km (0.036 R)
• M14: 7,544,520 km (0.091 R)
• M15: 8,077,537 km (0.109 R)
• M16: 8,865,619 km (0.117 R)
• M17: 9,368,567 km (0.103 R)
• M18: 10,047,591 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.2

Radius: 10.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.46 AU - 2.98 AU

Year: 3096 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,680,895 km

• M1: 137,331 km (0.079 R)
• M2: 518,207 km (0.072 R)
• M3: 1,423,573 km (0.06 R)
• M4: 2,488,261 km (0.118 R)
• M5: 4,864,474 km (0.084 R)
• M6: 7,070,145 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.7

Radius: 8.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.34 AU - 6.42 AU

Year: 8614 Days

Day: 8.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,680,895 km

• M1: 142,417 km (0.036 R)
• M2: 518,805 km (0.109 R)
• M3: 1,688,212 km (0.102 R)
• M4: 2,430,068 km (0.08 R)
• M5: 3,392,880 km (0.085 R)
• M6: 4,098,832 km (0.042 R)
• M7: 4,567,522 km (0.061 R)
• M8: 5,121,184 km (0.059 R)
• M9: 8,691,786 km (0.108 R)
• M10: 9,695,438 km (0.062 R)
• M11: 14,290,187 km (0.11 R)
• M12: 15,210,364 km (0.117 R)
• M13: 17,683,067 km (0.109 R)
• M14: 19,473,005 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.9

Radius: 4.6

Gravity: 40.02 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.66 AU - 9.98 AU

Year: 19640 Days

Day: 20 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 80,680,895 km

• M1: 57,296 km (0.097 R)
• M2: 214,673 km (0.119 R)
• M3: 446,400 km (0.091 R)
• M4: 741,706 km (0.086 R)
• M5: 904,020 km (0.03 R)
• M6: 1,130,511 km (0.072 R)
• M7: 2,085,245 km (0.099 R)
• M8: 2,412,864 km (0.119 R)
• M9: 3,850,200 km (0.086 R)
• M10: 4,009,971 km (0.11 R)
• M11: 4,694,082 km (0.074 R)
• M12: 5,178,480 km (0.088 R)
• M13: 7,701,897 km (0.099 R)
• M14: 9,312,168 km (0.025 R)
• M15: 9,895,301 km (0.104 R)
• M16: 10,502,369 km (0.088 R)
• M17: 13,036,706 km (0.106 R)
• M18: 13,544,292 km (0.117 R)
• M19: 14,598,658 km (0.029 R)
• M20: 15,066,899 km (0.062 R)
• M21: 20,409,488 km (0.058 R)
• M22: 20,700,755 km (0.073 R)
• M23: 25,296,252 km (0.054 R)
• M24: 27,006,156 km (0.1 R)
• M25: 29,035,451 km (0.096 R)
• M26: 31,550,191 km (0.09 R)
• M27: 32,595,581 km (0.055 R)
• M28: 41,181,900 km (0.118 R)
• M29: 41,802,731 km (0.085 R)
• M30: 42,115,391 km (0.111 R)
• M31: 45,000,236 km (0.096 R)
• M32: 45,328,604 km (0.09 R)
• M33: 49,395,721 km (0.091 R)
• M34: 52,057,217 km (0.083 R)
• M35: 55,752,583 km (0.105 R)
• M36: 57,857,724 km (0.114 R)
• M37: 60,214,041 km (0.067 R)
• M38: 62,837,838 km (0.081 R)
• M39: 73,868,137 km (0.077 R)
• M40: 76,405,168 km (0.089 R)
• M41: 77,341,950 km (0.077 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: 478 - 19,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit