🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.4

Radius: 13.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.75 AU - 0.97 AU

Year: 515 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,430,029 km

• M1: 162,912 km (0.105 R)
• M2: 637,736 km (0.106 R)
• M3: 1,086,978 km (0.087 R)
• M4: 1,625,381 km (0.078 R)
• M5: 2,749,609 km (0.094 R)
• M6: 3,276,792 km (0.111 R)
• M7: 3,871,144 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.3

Radius: 8

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.48 AU - 2.06 AU

Year: 1520 Days

Day: 5.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,430,029 km

• M1: 100,231 km (0.044 R)
• M2: 353,350 km (0.114 R)
• M3: 637,586 km (0.077 R)
• M4: 904,469 km (0.091 R)
• M5: 1,177,186 km (0.116 R)
• M6: 1,487,003 km (0.083 R)
• M7: 1,736,981 km (0.071 R)
• M8: 2,130,124 km (0.118 R)
• M9: 2,386,236 km (0.105 R)
• M10: 2,888,286 km (0.113 R)
• M11: 3,297,586 km (0.046 R)
• M12: 4,541,043 km (0.111 R)
• M13: 4,947,650 km (0.115 R)
• M14: 5,356,352 km (0.057 R)
• M15: 5,671,554 km (0.085 R)
• M16: 7,975,212 km (0.111 R)
• M17: 9,094,503 km (0.064 R)
• M18: 10,042,206 km (0.11 R)
• M19: 10,946,675 km (0.057 R)
• M20: 11,678,507 km (0.032 R)
• M21: 12,364,713 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.5

Radius: 9.2

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.55 AU - 2.41 AU

Year: 1799 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,430,029 km

• M1: 114,442 km (0.045 R)
• M2: 423,960 km (0.032 R)
• M3: 715,078 km (0.081 R)
• M4: 1,022,950 km (0.091 R)
• M5: 1,823,897 km (0.06 R)
• M6: 2,214,497 km (0.037 R)
• M7: 2,816,928 km (0.079 R)
• M8: 3,821,627 km (0.063 R)
• M9: 5,070,470 km (0.087 R)
• M10: 6,598,313 km (0.098 R)
• M11: 7,023,919 km (0.049 R)
• M12: 7,581,620 km (0.112 R)
• M13: 8,019,044 km (0.113 R)
• M14: 8,944,457 km (0.108 R)
• M15: 9,367,071 km (0.079 R)
• M16: 10,428,318 km (0.117 R)
• M17: 10,860,057 km (0.065 R)
• M18: 11,720,844 km (0.063 R)
• M19: 12,993,173 km (0.116 R)
• M20: 13,325,131 km (0.07 R)
• M21: 14,267,299 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.7

Radius: 13.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.68 AU - 3.96 AU

Year: 3906 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,430,029 km

• M1: 165,455 km (0.113 R)
• M2: 635,941 km (0.087 R)
• M3: 1,066,633 km (0.11 R)
• M4: 1,576,014 km (0.063 R)
• M5: 2,583,854 km (0.106 R)
• M6: 3,262,730 km (0.09 R)
• M7: 3,838,981 km (0.091 R)
• M8: 4,363,919 km (0.037 R)
• M9: 4,809,871 km (0.097 R)
• M10: 5,308,630 km (0.069 R)
• M11: 6,334,423 km (0.03 R)
• M12: 6,881,502 km (0.094 R)
• M13: 7,893,083 km (0.083 R)
• M14: 10,280,964 km (0.027 R)
• M15: 11,755,550 km (0.119 R)
• M16: 13,074,704 km (0.068 R)
• M17: 15,212,458 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 14.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.45 AU - 3.53 AU

Year: 4210 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,430,029 km

• M1: 175,628 km (0.083 R)
• M2: 699,669 km (0.035 R)
• M3: 1,578,856 km (0.119 R)
• M4: 2,056,073 km (0.106 R)
• M5: 2,966,975 km (0.065 R)
• M6: 3,413,075 km (0.074 R)
• M7: 3,971,973 km (0.115 R)
• M8: 5,031,276 km (0.044 R)
• M9: 6,240,176 km (0.098 R)
• M10: 6,847,394 km (0.11 R)
• M11: 8,444,052 km (0.118 R)
• M12: 9,027,932 km (0.078 R)
• M13: 9,932,999 km (0.107 R)
• M14: 11,685,538 km (0.089 R)
• M15: 12,510,870 km (0.045 R)
• M16: 15,507,016 km (0.043 R)
• M17: 16,088,353 km (0.115 R)
• M18: 19,216,744 km (0.059 R)
• M19: 21,850,863 km (0.047 R)
• M20: 23,405,634 km (0.069 R)
• M21: 24,638,769 km (0.115 R)
• M22: 25,112,247 km (0.116 R)
• M23: 25,833,907 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862

Radius: 13.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.33 AU - 4.43 AU

Year: 4935 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,430,029 km

• M1: 166,652 km (0.047 R)
• M2: 605,572 km (0.105 R)
• M3: 1,592,769 km (0.111 R)
• M4: 2,414,958 km (0.07 R)
• M5: 4,481,653 km (0.067 R)
• M6: 5,399,586 km (0.075 R)
• M7: 6,374,664 km (0.067 R)
• M8: 8,053,302 km (0.07 R)
• M9: 8,476,365 km (0.117 R)
• M10: 9,493,630 km (0.119 R)
• M11: 11,479,841 km (0.093 R)
• M12: 12,776,257 km (0.12 R)
• M13: 14,002,660 km (0.079 R)
• M14: 15,305,957 km (0.094 R)
• M15: 21,336,995 km (0.057 R)
• M16: 25,200,809 km (0.071 R)
• M17: 28,877,625 km (0.11 R)
• M18: 29,872,750 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 8.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.34 AU - 4.56 AU

Year: 6061 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,430,029 km

• M1: 100,679 km (0.087 R)
• M2: 387,010 km (0.071 R)
• M3: 1,093,112 km (0.093 R)
• M4: 2,851,485 km (0.088 R)
• M5: 3,216,205 km (0.057 R)
• M6: 3,736,656 km (0.047 R)
• M7: 4,382,170 km (0.088 R)
• M8: 4,894,394 km (0.115 R)
• M9: 6,798,774 km (0.066 R)
• M10: 8,181,807 km (0.058 R)
• M11: 10,152,310 km (0.104 R)
• M12: 10,701,184 km (0.108 R)
• M13: 17,745,898 km (0.091 R)
• M14: 25,329,612 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.8

Radius: 9.7

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.63 AU - 6.33 AU

Year: 8283 Days

Day: 5.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,430,029 km

• M1: 120,725 km (0.044 R)
• M2: 553,662 km (0.102 R)
• M3: 1,253,331 km (0.09 R)
• M4: 1,685,370 km (0.104 R)
• M5: 2,557,824 km (0.101 R)
• M6: 2,935,709 km (0.079 R)
• M7: 4,777,857 km (0.078 R)
• M8: 5,167,410 km (0.094 R)
• M9: 10,025,900 km (0.117 R)
• M10: 11,229,265 km (0.088 R)
• M11: 12,138,222 km (0.117 R)
• M12: 13,269,481 km (0.078 R)
• M13: 14,593,422 km (0.042 R)
• M14: 15,480,537 km (0.07 R)
• M15: 16,003,382 km (0.106 R)
• M16: 17,015,411 km (0.117 R)
• M17: 18,576,316 km (0.108 R)
• M18: 20,307,761 km (0.084 R)
• M19: 21,735,972 km (0.111 R)
• M20: 22,724,515 km (0.11 R)
• M21: 23,060,661 km (0.11 R)
• M22: 23,571,089 km (0.043 R)
• M23: 24,791,210 km (0.059 R)
• M24: 26,606,879 km (0.1 R)
• M25: 28,121,707 km (0.035 R)
• M26: 34,981,667 km (0.078 R)
• M27: 35,768,701 km (0.06 R)
• M28: 39,761,020 km (0.04 R)
• M29: 40,741,783 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.7

Radius: 4.9

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.18 AU - 9.62 AU

Year: 15719 Days

Day: 19.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,430,029 km

• M1: 65,524 km (0.095 R)
• M2: 259,702 km (0.103 R)
• M3: 567,874 km (0.108 R)
• M4: 727,345 km (0.065 R)
• M5: 956,978 km (0.104 R)
• M6: 1,534,874 km (0.061 R)
• M7: 1,771,837 km (0.07 R)
• M8: 3,664,400 km (0.065 R)
• M9: 4,575,301 km (0.072 R)
• M10: 5,067,329 km (0.065 R)
• M11: 5,492,486 km (0.101 R)
• M12: 6,047,943 km (0.083 R)
• M13: 8,332,751 km (0.106 R)
• M14: 10,708,814 km (0.101 R)
• M15: 11,027,757 km (0.061 R)
• M16: 11,352,982 km (0.117 R)
• M17: 11,965,735 km (0.088 R)
• M18: 12,541,687 km (0.105 R)
• M19: 19,589,243 km (0.104 R)
• M20: 21,209,089 km (0.053 R)
• M21: 23,623,748 km (0.056 R)
• M22: 25,550,718 km (0.095 R)
• M23: 29,196,418 km (0.113 R)
• M24: 37,864,418 km (0.049 R)
• M25: 39,102,490 km (0.065 R)
• M26: 40,367,190 km (0.11 R)
• M27: 42,977,972 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.5

Radius: 3.6

Gravity: 73.96 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.46 AU - 8.56 AU

Year: 16029 Days

Day: 22 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,430,029 km

• M1: 82,279 km (0.083 R)
• M2: 273,166 km (0.119 R)
• M3: 431,440 km (0.032 R)
• M4: 815,608 km (0.106 R)
• M5: 1,537,866 km (0.061 R)
• M6: 1,655,749 km (0.104 R)
• M7: 1,871,918 km (0.07 R)
• M8: 2,252,196 km (0.095 R)
• M9: 2,517,732 km (0.096 R)
• M10: 2,634,419 km (0.086 R)
• M11: 2,828,447 km (0.096 R)
• M12: 3,411,879 km (0.087 R)
• M13: 4,431,538 km (0.115 R)
• M14: 4,706,349 km (0.101 R)
• M15: 5,442,969 km (0.08 R)
• M16: 5,961,176 km (0.082 R)
• M17: 7,860,022 km (0.059 R)
• M18: 9,383,975 km (0.074 R)
• M19: 9,952,148 km (0.105 R)
• M20: 12,863,472 km (0.118 R)
• M21: 14,068,932 km (0.028 R)
• M22: 21,723,406 km (0.04 R)
• M23: 29,782,243 km (0.119 R)
• M24: 32,899,115 km (0.101 R)
• M25: 33,417,172 km (0.075 R)
• M26: 34,072,411 km (0.11 R)
• M27: 34,204,506 km (0.053 R)
• M28: 34,869,917 km (0.047 R)
• M29: 41,251,762 km (0.07 R)
• M30: 43,385,327 km (0.042 R)
• M31: 54,619,679 km (0.106 R)
• M32: 60,029,886 km (0.113 R)
• M33: 68,482,016 km (0.094 R)
• M34: 69,114,366 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 19,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit