🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 11.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.06 AU - 1.28 AU

Year: 830 Days

Day: 13.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,809,999 km

• M1: 138,079 km (0.079 R)
• M2: 534,513 km (0.118 R)
• M3: 944,711 km (0.089 R)
• M4: 1,570,030 km (0.11 R)
• M5: 2,570,091 km (0.107 R)
• M6: 3,462,742 km (0.085 R)
• M7: 3,966,737 km (0.109 R)
• M8: 4,488,235 km (0.074 R)
• M9: 5,524,201 km (0.096 R)
• M10: 6,733,550 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387

Radius: 9.2

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.04 AU - 3.08 AU

Year: 2687 Days

Day: 12.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,809,999 km

• M1: 114,442 km (0.115 R)
• M2: 497,712 km (0.081 R)
• M3: 917,783 km (0.067 R)
• M4: 1,260,362 km (0.095 R)
• M5: 1,761,964 km (0.075 R)
• M6: 2,065,947 km (0.082 R)
• M7: 2,405,085 km (0.115 R)
• M8: 3,164,893 km (0.096 R)
• M9: 3,531,258 km (0.076 R)
• M10: 4,450,237 km (0.111 R)
• M11: 5,404,223 km (0.067 R)
• M12: 6,003,811 km (0.091 R)
• M13: 6,972,009 km (0.1 R)
• M14: 7,364,254 km (0.093 R)
• M15: 7,653,427 km (0.119 R)
• M16: 8,193,176 km (0.106 R)
• M17: 8,598,586 km (0.081 R)
• M18: 9,281,800 km (0.058 R)
• M19: 10,106,383 km (0.101 R)
• M20: 10,682,784 km (0.115 R)
• M21: 14,747,807 km (0.12 R)
• M22: 15,442,240 km (0.079 R)
• M23: 15,917,213 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.5

Radius: 9.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.22 AU - 3.74 AU

Year: 4259 Days

Day: 14.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,809,999 km

• M1: 123,717 km (0.109 R)
• M2: 578,944 km (0.118 R)
• M3: 1,181,075 km (0.117 R)
• M4: 1,541,307 km (0.032 R)
• M5: 1,999,675 km (0.095 R)
• M6: 2,419,147 km (0.089 R)
• M7: 3,158,909 km (0.066 R)
• M8: 3,600,372 km (0.115 R)
• M9: 4,350,306 km (0.051 R)
• M10: 4,852,656 km (0.074 R)
• M11: 5,792,729 km (0.108 R)
• M12: 6,374,365 km (0.112 R)
• M13: 7,229,467 km (0.048 R)
• M14: 7,872,438 km (0.069 R)
• M15: 8,686,999 km (0.102 R)
• M16: 10,217,983 km (0.104 R)
• M17: 10,792,140 km (0.106 R)
• M18: 11,755,401 km (0.108 R)
• M19: 12,215,564 km (0.083 R)
• M20: 13,127,512 km (0.109 R)
• M21: 13,852,464 km (0.041 R)
• M22: 14,271,637 km (0.111 R)
• M23: 15,530,802 km (0.082 R)
• M24: 15,882,058 km (0.091 R)
• M25: 16,809,864 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.9

Radius: 11.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.29 AU - 5.97 AU

Year: 8763 Days

Day: 7.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,809,999 km

• M1: 305,628 km (0.084 R)
• M2: 781,948 km (0.099 R)
• M3: 1,338,602 km (0.091 R)
• M4: 2,794,787 km (0.075 R)
• M5: 5,055,660 km (0.103 R)
• M6: 6,607,140 km (0.081 R)
• M7: 7,586,706 km (0.065 R)
• M8: 8,870,256 km (0.117 R)
• M9: 12,122,215 km (0.05 R)
• M10: 14,805,402 km (0.12 R)
• M11: 20,192,421 km (0.112 R)
• M12: 21,316,051 km (0.117 R)
• M13: 25,277,552 km (0.077 R)
• M14: 26,055,012 km (0.095 R)
• M15: 29,042,631 km (0.096 R)
• M16: 31,255,184 km (0.071 R)
• M17: 32,251,506 km (0.108 R)
• M18: 33,681,512 km (0.106 R)
• M19: 35,367,181 km (0.047 R)
• M20: 36,122,051 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.5

Radius: 3.6

Gravity: 64.16 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.62 AU - 7.2 AU

Year: 11916 Days

Day: 17.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 39,809,999 km

• M1: 45,029 km (0.069 R)
• M2: 212,728 km (0.107 R)
• M3: 561,590 km (0.092 R)
• M4: 2,402,841 km (0.108 R)
• M5: 2,906,687 km (0.095 R)
• M6: 3,097,274 km (0.108 R)
• M7: 3,803,376 km (0.12 R)
• M8: 4,149,097 km (0.11 R)
• M9: 4,484,196 km (0.107 R)
• M10: 5,670,806 km (0.113 R)
• M11: 6,596,069 km (0.079 R)
• M12: 8,545,778 km (0.058 R)
• M13: 10,292,483 km (0.081 R)
• M14: 10,735,592 km (0.056 R)
• M15: 11,133,672 km (0.062 R)
• M16: 12,019,591 km (0.117 R)
• M17: 14,199,680 km (0.091 R)
• M18: 14,817,968 km (0.119 R)
• M19: 15,311,192 km (0.114 R)
• M20: 15,961,195 km (0.097 R)
• M21: 18,421,631 km (0.054 R)
• M22: 19,156,606 km (0.091 R)
• M23: 23,789,801 km (0.096 R)
• M24: 26,878,997 km (0.097 R)
• M25: 28,357,623 km (0.112 R)
• M26: 30,225,053 km (0.108 R)
• M27: 31,939,445 km (0.077 R)
• M28: 38,779,658 km (0.119 R)
• M29: 39,045,194 km (0.035 R)
• M30: 47,286,092 km (0.101 R)
• M31: 50,851,009 km (0.096 R)
• M32: 51,648,964 km (0.031 R)
• M33: 52,293,282 km (0.101 R)
• M34: 56,783,761 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.5

Radius: 8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.65 AU - 9.99 AU

Year: 15743 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,809,999 km

• M1: 106,364 km (0.095 R)
• M2: 394,340 km (0.101 R)
• M3: 1,635,853 km (0.047 R)
• M4: 2,025,555 km (0.043 R)
• M5: 2,458,342 km (0.107 R)
• M6: 2,754,396 km (0.086 R)
• M7: 3,095,030 km (0.093 R)
• M8: 3,396,620 km (0.088 R)
• M9: 3,694,020 km (0.12 R)
• M10: 5,764,904 km (0.111 R)
• M11: 6,189,612 km (0.063 R)
• M12: 8,262,290 km (0.111 R)
• M13: 9,146,713 km (0.056 R)
• M14: 9,410,604 km (0.114 R)
• M15: 9,816,014 km (0.037 R)
• M16: 11,657,713 km (0.026 R)
• M17: 13,718,574 km (0.097 R)
• M18: 19,112,923 km (0.105 R)
• M19: 20,804,725 km (0.072 R)
• M20: 22,117,746 km (0.055 R)
• M21: 24,737,653 km (0.033 R)
• M22: 25,771,375 km (0.109 R)
• M23: 35,530,691 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.6

Radius: 6.5

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.07 AU - 8.93 AU

Year: 16257 Days

Day: 16.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 39,809,999 km

• M1: 83,476 km (0.085 R)
• M2: 347,665 km (0.09 R)
• M3: 798,404 km (0.069 R)
• M4: 1,086,679 km (0.109 R)
• M5: 1,320,800 km (0.109 R)
• M6: 1,909,766 km (0.084 R)
• M7: 2,492,450 km (0.059 R)
• M8: 4,325,473 km (0.05 R)
• M9: 4,986,247 km (0.117 R)
• M10: 5,254,924 km (0.086 R)
• M11: 5,932,154 km (0.059 R)
• M12: 6,311,085 km (0.082 R)
• M13: 6,827,946 km (0.088 R)
• M14: 7,286,763 km (0.057 R)
• M15: 7,633,381 km (0.112 R)
• M16: 8,266,180 km (0.084 R)
• M17: 8,547,873 km (0.061 R)
• M18: 9,948,109 km (0.117 R)
• M19: 10,213,346 km (0.116 R)
• M20: 10,924,983 km (0.083 R)
• M21: 18,166,118 km (0.071 R)
• M22: 19,373,223 km (0.116 R)
• M23: 21,414,337 km (0.112 R)
• M24: 21,946,157 km (0.094 R)
• M25: 22,852,122 km (0.068 R)
• M26: 24,257,444 km (0.106 R)
• M27: 24,932,430 km (0.049 R)
• M28: 27,342,452 km (0.092 R)
• M29: 29,357,086 km (0.067 R)
• M30: 29,793,463 km (0.061 R)
• M31: 32,155,913 km (0.082 R)
• M32: 37,633,140 km (0.058 R)
• M33: 39,060,602 km (0.108 R)
• M34: 41,473,766 km (0.068 R)
• M35: 43,277,318 km (0.101 R)
• M36: 43,700,829 km (0.091 R)
• M37: 44,843,607 km (0.102 R)
• M38: 48,240,077 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.2

Radius: 3.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.95 AU - 12.57 AU

Year: 23154 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 115.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,809,999 km

• M1: 47,722 km (0.07 R)
• M2: 590,164 km (0.102 R)
• M3: 1,197,830 km (0.054 R)
• M4: 1,933,552 km (0.1 R)
• M5: 2,460,735 km (0.077 R)
• M6: 3,480,843 km (0.056 R)
• M7: 3,892,387 km (0.1 R)
• M8: 4,754,071 km (0.116 R)
• M9: 5,077,501 km (0.045 R)
• M10: 5,352,911 km (0.079 R)
• M11: 5,606,031 km (0.11 R)
• M12: 6,034,329 km (0.044 R)
• M13: 6,170,314 km (0.11 R)
• M14: 6,881,652 km (0.111 R)
• M15: 7,805,419 km (0.101 R)
• M16: 7,967,134 km (0.087 R)
• M17: 9,206,403 km (0.116 R)
• M18: 9,895,450 km (0.117 R)
• M19: 16,029,711 km (0.093 R)
• M20: 16,160,011 km (0.111 R)
• M21: 16,956,769 km (0.041 R)
• M22: 19,135,363 km (0.087 R)
• M23: 26,776,672 km (0.119 R)
• M24: 29,325,072 km (0.05 R)
• M25: 37,015,300 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 16,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit