🌌 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 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.58 AU - 0.7 AU

Year: 336 Days

Day: 23.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 95.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,862,577 km

• M1: 447,597 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.2

Radius: 9.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.78 AU - 0.98 AU

Year: 542 Days

Day: 14.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 15,862,577 km

• M1: 115,639 km (0.116 R)
• M2: 179,667 km (0.112 R)
• M3: 260,899 km (0.119 R)
• M4: 331,958 km (0.118 R)
• M5: 499,806 km (0.059 R)
• M6: 568,023 km (0.083 R)
• M7: 639,830 km (0.059 R)
• M8: 718,818 km (0.104 R)
• M9: 786,137 km (0.082 R)
• M10: 887,265 km (0.058 R)
• M11: 1,018,163 km (0.056 R)
• M12: 1,125,126 km (0.104 R)
• M13: 1,186,760 km (0.105 R)
• M14: 1,258,716 km (0.111 R)
• M15: 1,378,694 km (0.041 R)
• M16: 1,483,412 km (0.061 R)
• M17: 1,556,267 km (0.058 R)
• M18: 1,665,623 km (0.087 R)
• M19: 1,792,930 km (0.075 R)
• M20: 1,886,579 km (0.11 R)
• M21: 2,041,113 km (0.097 R)
• M22: 2,106,338 km (0.089 R)
• M23: 2,233,197 km (0.116 R)
• M24: 2,311,736 km (0.085 R)
• M25: 2,391,172 km (0.104 R)
• M26: 2,489,009 km (0.064 R)
• M27: 2,576,375 km (0.108 R)
• M28: 2,682,739 km (0.097 R)
• M29: 2,772,348 km (0.101 R)
• M30: 2,832,785 km (0.111 R)
• M31: 2,960,991 km (0.113 R)
• M32: 3,047,458 km (0.043 R)
• M33: 3,109,841 km (0.05 R)
• M34: 3,254,950 km (0.109 R)
• M35: 3,389,439 km (0.046 R)
• M36: 3,597,829 km (0.112 R)
• M37: 3,657,219 km (0.075 R)
• M38: 3,777,047 km (0.089 R)
• M39: 3,871,144 km (0.11 R)
• M40: 4,013,711 km (0.118 R)
• M41: 4,075,345 km (0.102 R)
• M42: 4,151,191 km (0.093 R)
• M43: 4,269,224 km (0.114 R)
• M44: 4,367,360 km (0.096 R)
• M45: 4,466,244 km (0.096 R)
• M46: 4,587,269 km (0.03 R)
• M47: 4,644,565 km (0.104 R)
• M48: 4,745,544 km (0.087 R)
• M49: 4,883,622 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 10.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.81 AU - 1.27 AU

Year: 696 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 15,862,577 km

• M1: 145,858 km (0.07 R)
• M2: 240,254 km (0.117 R)
• M3: 373,097 km (0.109 R)
• M4: 468,989 km (0.072 R)
• M5: 571,613 km (0.094 R)
• M6: 638,185 km (0.098 R)
• M7: 707,598 km (0.111 R)
• M8: 806,033 km (0.055 R)
• M9: 870,510 km (0.111 R)
• M10: 968,945 km (0.064 R)
• M11: 1,071,270 km (0.049 R)
• M12: 1,164,619 km (0.062 R)
• M13: 1,283,101 km (0.055 R)
• M14: 1,410,259 km (0.117 R)
• M15: 1,513,332 km (0.114 R)
• M16: 1,604,437 km (0.1 R)
• M17: 1,692,550 km (0.053 R)
• M18: 1,762,113 km (0.075 R)
• M19: 1,832,873 km (0.11 R)
• M20: 2,061,309 km (0.074 R)
• M21: 2,189,963 km (0.103 R)
• M22: 2,260,873 km (0.052 R)
• M23: 2,337,916 km (0.087 R)
• M24: 2,517,732 km (0.056 R)
• M25: 2,586,248 km (0.12 R)
• M26: 2,725,374 km (0.092 R)
• M27: 2,884,995 km (0.08 R)
• M28: 3,096,377 km (0.1 R)
• M29: 3,231,912 km (0.115 R)
• M30: 3,363,259 km (0.078 R)
• M31: 3,477,253 km (0.088 R)
• M32: 3,598,876 km (0.094 R)
• M33: 3,708,980 km (0.111 R)
• M34: 3,833,445 km (0.103 R)
• M35: 3,912,732 km (0.088 R)
• M36: 4,039,442 km (0.061 R)
• M37: 4,133,688 km (0.066 R)
• M38: 4,221,802 km (0.089 R)
• M39: 4,310,663 km (0.066 R)
• M40: 4,545,980 km (0.101 R)
• M41: 4,849,664 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.3

Radius: 11.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.97 AU - 2.69 AU

Year: 2333 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 15,862,577 km

• M1: 144,212 km (0.063 R)
• M2: 268,528 km (0.085 R)
• M3: 398,978 km (0.072 R)
• M4: 594,352 km (0.102 R)
• M5: 702,811 km (0.117 R)
• M6: 776,114 km (0.102 R)
• M7: 987,645 km (0.089 R)
• M8: 1,092,663 km (0.054 R)
• M9: 1,190,649 km (0.065 R)
• M10: 1,297,612 km (0.118 R)
• M11: 1,527,544 km (0.117 R)
• M12: 1,669,512 km (0.064 R)
• M13: 1,751,791 km (0.081 R)
• M14: 1,841,999 km (0.101 R)
• M15: 1,947,016 km (0.113 R)
• M16: 2,253,542 km (0.057 R)
• M17: 2,981,934 km (0.113 R)
• M18: 3,169,081 km (0.1 R)
• M19: 3,352,189 km (0.105 R)
• M20: 3,432,822 km (0.075 R)
• M21: 3,821,029 km (0.086 R)
• M22: 3,999,050 km (0.111 R)
• M23: 4,188,441 km (0.065 R)
• M24: 4,345,818 km (0.053 R)
• M25: 4,957,524 km (0.08 R)
• M26: 5,198,676 km (0.113 R)
• M27: 5,424,868 km (0.025 R)
• M28: 5,915,997 km (0.045 R)
• M29: 6,221,626 km (0.095 R)
• M30: 6,311,385 km (0.05 R)
• M31: 6,654,263 km (0.109 R)
• M32: 6,868,936 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.7

Radius: 6.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.32 AU - 7.54 AU

Year: 10696 Days

Day: 18.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 15,862,577 km

• M1: 80,035 km (0.11 R)
• M2: 141,968 km (0.057 R)
• M3: 266,733 km (0.051 R)
• M4: 403,765 km (0.08 R)
• M5: 498,610 km (0.071 R)
• M6: 571,165 km (0.06 R)
• M7: 616,642 km (0.107 R)
• M8: 785,538 km (0.105 R)
• M9: 1,005,746 km (0.097 R)
• M10: 1,080,246 km (0.088 R)
• M11: 1,225,207 km (0.114 R)
• M12: 1,345,633 km (0.06 R)
• M13: 1,438,683 km (0.089 R)
• M14: 1,752,838 km (0.108 R)
• M15: 1,889,122 km (0.098 R)
• M16: 2,028,846 km (0.102 R)
• M17: 2,184,129 km (0.088 R)
• M18: 2,330,884 km (0.071 R)
• M19: 2,909,828 km (0.084 R)
• M20: 3,250,163 km (0.054 R)
• M21: 3,319,726 km (0.117 R)
• M22: 3,631,788 km (0.087 R)
• M23: 3,675,021 km (0.095 R)
• M24: 3,968,084 km (0.12 R)
• M25: 4,162,561 km (0.12 R)
• M26: 5,311,921 km (0.109 R)
• M27: 6,117,805 km (0.099 R)
• M28: 6,587,692 km (0.082 R)
• M29: 6,711,409 km (0.087 R)
• M30: 7,159,604 km (0.079 R)
• M31: 7,580,573 km (0.12 R)
• M32: 7,784,624 km (0.061 R)
• M33: 7,915,523 km (0.057 R)
• M34: 8,009,470 km (0.092 R)
• M35: 8,066,018 km (0.117 R)
• M36: 8,312,406 km (0.077 R)
• M37: 9,204,458 km (0.104 R)
• M38: 9,323,089 km (0.109 R)
• M39: 10,085,888 km (0.084 R)
• M40: 10,146,924 km (0.095 R)
• M41: 10,269,445 km (0.108 R)
• M42: 10,577,916 km (0.062 R)
• M43: 10,910,322 km (0.116 R)
• M44: 11,161,946 km (0.114 R)
• M45: 11,564,065 km (0.12 R)
• M46: 12,382,665 km (0.093 R)
• M47: 12,953,530 km (0.07 R)
• M48: 13,353,704 km (0.053 R)
• M49: 13,825,686 km (0.07 R)
• M50: 14,509,497 km (0.111 R)
• M51: 14,693,802 km (0.118 R)
• M52: 14,878,705 km (0.106 R)
• M53: 14,948,268 km (0.069 R)
• M54: 14,994,793 km (0.043 R)
• M55: 15,204,380 km (0.075 R)
• M56: 15,791,551 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 15,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit