🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.9

Radius: 11

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.77 AU - 0.89 AU

Year: 522 Days

Day: 6.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,047,641 km

• M1: 136,732 km (0.066 R)
• M2: 500,405 km (0.108 R)
• M3: 850,165 km (0.088 R)
• M4: 1,251,835 km (0.095 R)
• M5: 1,766,452 km (0.116 R)
• M6: 2,208,813 km (0.096 R)
• M7: 2,765,915 km (0.05 R)
• M8: 3,112,234 km (0.065 R)
• M9: 3,536,643 km (0.118 R)
• M10: 4,121,721 km (0.073 R)
• M11: 4,770,227 km (0.095 R)
• M12: 5,452,244 km (0.105 R)
• M13: 5,930,508 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 9.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.82 AU - 1.18 AU

Year: 690 Days

Day: 6.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,047,641 km

• M1: 121,922 km (0.068 R)
• M2: 546,780 km (0.097 R)
• M3: 1,010,982 km (0.077 R)
• M4: 1,323,044 km (0.112 R)
• M5: 2,235,142 km (0.108 R)
• M6: 2,687,376 km (0.11 R)
• M7: 3,604,710 km (0.062 R)
• M8: 4,043,780 km (0.112 R)
• M9: 5,198,077 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 8.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.13 AU - 1.39 AU

Year: 976 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,047,641 km

• M1: 104,419 km (0.077 R)
• M2: 366,216 km (0.096 R)
• M3: 889,659 km (0.044 R)
• M4: 1,818,213 km (0.085 R)
• M5: 2,689,321 km (0.104 R)
• M6: 4,640,077 km (0.098 R)
• M7: 5,087,375 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.4

Radius: 10.8

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.62 AU - 3.2 AU

Year: 3426 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,047,641 km

• M1: 134,339 km (0.113 R)
• M2: 501,751 km (0.077 R)
• M3: 1,002,605 km (0.051 R)
• M4: 1,453,343 km (0.062 R)
• M5: 2,037,972 km (0.107 R)
• M6: 2,479,136 km (0.1 R)
• M7: 4,671,044 km (0.098 R)
• M8: 5,664,374 km (0.114 R)
• M9: 6,513,042 km (0.076 R)
• M10: 6,952,112 km (0.119 R)
• M11: 7,344,208 km (0.047 R)
• M12: 7,682,000 km (0.058 R)
• M13: 8,498,954 km (0.091 R)
• M14: 9,255,471 km (0.079 R)
• M15: 10,431,460 km (0.055 R)
• M16: 11,121,555 km (0.071 R)
• M17: 13,931,900 km (0.101 R)
• M18: 14,715,793 km (0.112 R)
• M19: 17,184,906 km (0.077 R)
• M20: 18,393,657 km (0.06 R)
• M21: 19,529,254 km (0.098 R)
• M22: 21,870,461 km (0.094 R)
• M23: 24,843,718 km (0.106 R)
• M24: 26,073,862 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.9

Radius: 12.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.36 AU - 3.84 AU

Year: 3768 Days

Day: 9.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,047,641 km

• M1: 155,432 km (0.088 R)
• M2: 891,155 km (0.063 R)
• M3: 1,287,888 km (0.033 R)
• M4: 1,941,032 km (0.049 R)
• M5: 2,939,897 km (0.097 R)
• M6: 3,594,089 km (0.099 R)
• M7: 4,661,918 km (0.104 R)
• M8: 5,449,701 km (0.085 R)
• M9: 5,985,860 km (0.117 R)
• M10: 7,775,948 km (0.105 R)
• M11: 9,629,017 km (0.096 R)
• M12: 12,025,425 km (0.115 R)
• M13: 17,617,842 km (0.115 R)
• M14: 19,771,004 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.1

Radius: 12.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.92 AU - 6.08 AU

Year: 8903 Days

Day: 6.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,047,641 km

• M1: 150,495 km (0.086 R)
• M2: 573,109 km (0.095 R)
• M3: 991,983 km (0.071 R)
• M4: 1,418,637 km (0.118 R)
• M5: 2,096,165 km (0.116 R)
• M6: 2,918,206 km (0.027 R)
• M7: 3,325,261 km (0.114 R)
• M8: 4,097,635 km (0.07 R)
• M9: 4,897,834 km (0.107 R)
• M10: 5,413,648 km (0.101 R)
• M11: 6,066,792 km (0.074 R)
• M12: 6,519,026 km (0.094 R)
• M13: 7,649,238 km (0.087 R)
• M14: 15,651,079 km (0.074 R)
• M15: 19,475,848 km (0.054 R)
• M16: 20,003,629 km (0.119 R)
• M17: 20,930,388 km (0.105 R)
• M18: 23,288,349 km (0.115 R)
• M19: 24,227,525 km (0.111 R)
• M20: 26,272,378 km (0.095 R)
• M21: 28,333,687 km (0.057 R)
• M22: 32,776,145 km (0.03 R)
• M23: 33,955,276 km (0.1 R)
• M24: 36,058,173 km (0.074 R)
• M25: 36,740,040 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.6

Radius: 7.4

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6 AU - 6.5 AU

Year: 10785 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,047,641 km

• M1: 92,152 km (0.065 R)
• M2: 333,902 km (0.109 R)
• M3: 657,931 km (0.077 R)
• M4: 917,783 km (0.069 R)
• M5: 1,407,566 km (0.072 R)
• M6: 1,653,655 km (0.117 R)
• M7: 1,896,602 km (0.101 R)
• M8: 2,671,369 km (0.045 R)
• M9: 3,187,332 km (0.119 R)
• M10: 3,691,627 km (0.074 R)
• M11: 4,303,632 km (0.077 R)
• M12: 5,593,315 km (0.062 R)
• M13: 5,934,847 km (0.085 R)
• M14: 7,122,504 km (0.071 R)
• M15: 7,983,290 km (0.082 R)
• M16: 8,549,818 km (0.047 R)
• M17: 9,049,923 km (0.064 R)
• M18: 10,875,915 km (0.072 R)
• M19: 14,719,982 km (0.103 R)
• M20: 17,015,112 km (0.099 R)
• M21: 17,587,922 km (0.062 R)
• M22: 19,229,460 km (0.12 R)
• M23: 19,772,500 km (0.089 R)
• M24: 20,485,783 km (0.118 R)
• M25: 24,672,578 km (0.12 R)
• M26: 29,601,080 km (0.108 R)
• M27: 30,116,894 km (0.091 R)
• M28: 30,954,791 km (0.082 R)
• M29: 32,458,250 km (0.048 R)
• M30: 34,918,237 km (0.119 R)
• M31: 36,783,573 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.1

Radius: 4.7

Gravity: 19.43 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.55 AU - 8.31 AU

Year: 12592 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,047,641 km

• M1: 59,091 km (0.116 R)
• M2: 297,251 km (0.112 R)
• M3: 482,154 km (0.081 R)
• M4: 743,801 km (0.04 R)
• M5: 898,036 km (0.102 R)
• M6: 1,374,206 km (0.054 R)
• M7: 1,759,570 km (0.103 R)
• M8: 2,742,129 km (0.068 R)
• M9: 3,138,563 km (0.06 R)
• M10: 3,572,248 km (0.084 R)
• M11: 5,609,771 km (0.075 R)
• M12: 7,291,400 km (0.089 R)
• M13: 8,811,913 km (0.074 R)
• M14: 12,757,258 km (0.099 R)
• M15: 15,144,391 km (0.096 R)
• M16: 15,818,778 km (0.094 R)
• M17: 16,233,015 km (0.114 R)
• M18: 17,518,659 km (0.039 R)
• M19: 17,961,917 km (0.09 R)
• M20: 19,102,751 km (0.056 R)
• M21: 25,444,055 km (0.072 R)
• M22: 26,589,077 km (0.073 R)
• M23: 39,229,050 km (0.103 R)
• M24: 39,606,934 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.8

Radius: 5.1

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.54 AU - 8.56 AU

Year: 14320 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,047,641 km

• M1: 137,480 km (0.107 R)
• M2: 506,389 km (0.117 R)
• M3: 967,749 km (0.117 R)
• M4: 1,180,477 km (0.059 R)
• M5: 1,544,748 km (0.033 R)
• M6: 1,837,361 km (0.081 R)
• M7: 2,711,312 km (0.114 R)
• M8: 3,205,434 km (0.069 R)
• M9: 3,607,553 km (0.065 R)
• M10: 4,177,072 km (0.072 R)
• M11: 5,724,811 km (0.061 R)
• M12: 6,795,034 km (0.098 R)
• M13: 7,950,080 km (0.087 R)
• M14: 10,041,458 km (0.107 R)
• M15: 11,319,173 km (0.116 R)
• M16: 19,821,269 km (0.107 R)
• M17: 21,085,371 km (0.117 R)
• M18: 24,657,768 km (0.081 R)
• M19: 30,327,976 km (0.077 R)
• M20: 31,158,095 km (0.111 R)
• M21: 40,933,269 km (0.077 R)
• M22: 43,497,526 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.7

Radius: 8

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.22 AU - 8.98 AU

Year: 15913 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,047,641 km

• M1: 99,483 km (0.076 R)
• M2: 413,489 km (0.119 R)
• M3: 678,726 km (0.099 R)
• M4: 1,200,673 km (0.08 R)
• M5: 1,529,040 km (0.099 R)
• M6: 1,934,001 km (0.093 R)
• M7: 2,236,189 km (0.11 R)
• M8: 3,488,174 km (0.081 R)
• M9: 3,748,773 km (0.073 R)
• M10: 4,050,362 km (0.051 R)
• M11: 5,087,076 km (0.111 R)
• M12: 6,215,044 km (0.102 R)
• M13: 7,206,129 km (0.088 R)
• M14: 9,151,201 km (0.05 R)
• M15: 10,217,983 km (0.068 R)
• M16: 12,355,737 km (0.037 R)
• M17: 14,640,396 km (0.102 R)
• M18: 15,882,208 km (0.077 R)
• M19: 16,748,080 km (0.074 R)
• M20: 17,043,685 km (0.069 R)
• M21: 18,495,234 km (0.11 R)
• M22: 24,178,008 km (0.075 R)
• M23: 27,209,010 km (0.063 R)
• M24: 32,387,341 km (0.07 R)
• M25: 41,734,216 km (0.098 R)
• M26: 44,217,839 km (0.118 R)
• M27: 44,499,831 km (0.073 R)
• M28: 47,976,785 km (0.073 R)
• M29: 51,009,433 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 12,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit