🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.5

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.98 AU - 1.12 AU

Year: 730 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,756,046 km

• M1: 180,714 km (0.093 R)
• M2: 705,952 km (0.091 R)
• M3: 1,189,153 km (0.111 R)
• M4: 1,731,895 km (0.108 R)
• M5: 2,282,864 km (0.112 R)
• M6: 3,009,161 km (0.107 R)
• M7: 3,816,242 km (0.083 R)
• M8: 4,524,737 km (0.076 R)
• M9: 7,232,907 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 11.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.18 AU - 1.82 AU

Year: 1246 Days

Day: 14.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,756,046 km

• M1: 148,850 km (0.113 R)
• M2: 608,265 km (0.083 R)
• M3: 1,168,808 km (0.066 R)
• M4: 1,601,445 km (0.054 R)
• M5: 2,441,288 km (0.071 R)
• M6: 4,291,365 km (0.036 R)
• M7: 5,077,950 km (0.038 R)
• M8: 6,349,083 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 12.1

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.27 AU - 2.11 AU

Year: 1490 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,756,046 km

• M1: 150,495 km (0.118 R)
• M2: 1,628,223 km (0.061 R)
• M3: 2,109,629 km (0.118 R)
• M4: 2,685,431 km (0.069 R)
• M5: 3,908,544 km (0.044 R)
• M6: 5,101,587 km (0.095 R)
• M7: 7,303,667 km (0.049 R)
• M8: 8,499,104 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.1

Radius: 13.3

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.43 AU - 2.25 AU

Year: 1693 Days

Day: 10.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,756,046 km

• M1: 166,203 km (0.056 R)
• M2: 680,072 km (0.111 R)
• M3: 1,298,510 km (0.074 R)
• M4: 1,811,331 km (0.086 R)
• M5: 2,620,356 km (0.113 R)
• M6: 3,404,698 km (0.101 R)
• M7: 3,907,197 km (0.112 R)
• M8: 4,579,640 km (0.082 R)
• M9: 5,150,056 km (0.057 R)
• M10: 6,826,749 km (0.088 R)
• M11: 7,863,462 km (0.103 R)
• M12: 8,779,001 km (0.093 R)
• M13: 9,328,624 km (0.106 R)
• M14: 11,005,616 km (0.086 R)
• M15: 11,683,743 km (0.063 R)
• M16: 12,230,374 km (0.053 R)
• M17: 13,374,798 km (0.094 R)
• M18: 14,994,943 km (0.046 R)
• M19: 15,781,827 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.8

Radius: 12.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.82 AU - 2.64 AU

Year: 2259 Days

Day: 14.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,756,046 km

• M1: 157,975 km (0.072 R)
• M2: 789,877 km (0.119 R)
• M3: 1,324,091 km (0.027 R)
• M4: 1,886,280 km (0.048 R)
• M5: 2,856,721 km (0.117 R)
• M6: 3,265,572 km (0.117 R)
• M7: 6,939,696 km (0.084 R)
• M8: 10,470,654 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 12.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.13 AU - 4.19 AU

Year: 4749 Days

Day: 8.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,756,046 km

• M1: 159,172 km (0.079 R)
• M2: 580,440 km (0.099 R)
• M3: 1,403,078 km (0.063 R)
• M4: 1,935,048 km (0.12 R)
• M5: 2,843,257 km (0.12 R)
• M6: 3,727,680 km (0.103 R)
• M7: 4,147,152 km (0.053 R)
• M8: 4,715,923 km (0.066 R)
• M9: 6,590,983 km (0.1 R)
• M10: 7,965,039 km (0.074 R)
• M11: 10,190,607 km (0.078 R)
• M12: 10,764,464 km (0.056 R)
• M13: 11,754,054 km (0.104 R)
• M14: 13,963,914 km (0.106 R)
• M15: 14,416,747 km (0.098 R)
• M16: 21,299,595 km (0.112 R)
• M17: 21,765,892 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 9.2

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.89 AU - 5.45 AU

Year: 6845 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,756,046 km

• M1: 118,930 km (0.057 R)
• M2: 409,001 km (0.048 R)
• M3: 807,230 km (0.086 R)
• M4: 1,304,643 km (0.103 R)
• M5: 2,470,908 km (0.12 R)
• M6: 2,794,488 km (0.115 R)
• M7: 3,527,667 km (0.111 R)
• M8: 4,118,729 km (0.086 R)
• M9: 5,007,639 km (0.032 R)
• M10: 5,918,989 km (0.113 R)
• M11: 6,431,960 km (0.077 R)
• M12: 7,744,233 km (0.114 R)
• M13: 8,655,583 km (0.033 R)
• M14: 9,316,806 km (0.079 R)
• M15: 9,683,171 km (0.119 R)
• M16: 10,690,413 km (0.091 R)
• M17: 12,412,135 km (0.119 R)
• M18: 15,552,344 km (0.112 R)
• M19: 16,133,682 km (0.09 R)
• M20: 17,134,641 km (0.089 R)
• M21: 19,259,828 km (0.071 R)
• M22: 19,854,929 km (0.101 R)
• M23: 23,771,251 km (0.073 R)
• M24: 24,456,110 km (0.108 R)
• M25: 26,135,197 km (0.063 R)
• M26: 27,327,641 km (0.077 R)
• M27: 30,616,850 km (0.055 R)
• M28: 31,529,846 km (0.107 R)
• M29: 32,460,943 km (0.119 R)
• M30: 36,256,390 km (0.056 R)
• M31: 39,023,502 km (0.093 R)
• M32: 39,498,027 km (0.083 R)
• M33: 39,976,291 km (0.041 R)
• M34: 40,337,570 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291

Radius: 5.4

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.48 AU - 7.24 AU

Year: 9621 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,756,046 km

• M1: 67,169 km (0.068 R)
• M2: 289,023 km (0.093 R)
• M3: 551,717 km (0.113 R)
• M4: 1,361,490 km (0.113 R)
• M5: 1,622,090 km (0.089 R)
• M6: 2,036,326 km (0.107 R)
• M7: 2,465,223 km (0.104 R)
• M8: 3,114,328 km (0.081 R)
• M9: 3,776,299 km (0.086 R)
• M10: 3,992,169 km (0.115 R)
• M11: 4,190,835 km (0.115 R)
• M12: 5,024,095 km (0.08 R)
• M13: 5,226,501 km (0.051 R)
• M14: 5,555,766 km (0.057 R)
• M15: 6,456,345 km (0.113 R)
• M16: 6,905,887 km (0.1 R)
• M17: 7,676,016 km (0.034 R)
• M18: 10,561,909 km (0.118 R)
• M19: 11,782,927 km (0.103 R)
• M20: 12,401,364 km (0.113 R)
• M21: 13,368,963 km (0.114 R)
• M22: 13,927,711 km (0.09 R)
• M23: 17,546,035 km (0.03 R)
• M24: 17,878,741 km (0.107 R)
• M25: 20,036,241 km (0.054 R)
• M26: 20,399,764 km (0.096 R)
• M27: 21,214,923 km (0.104 R)
• M28: 22,517,172 km (0.107 R)
• M29: 24,116,374 km (0.036 R)
• M30: 25,279,796 km (0.076 R)
• M31: 25,789,775 km (0.119 R)
• M32: 29,552,760 km (0.101 R)
• M33: 32,155,913 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.4

Radius: 4.9

Gravity: 36.21 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.46 AU - 9.8 AU

Year: 17195 Days

Day: 23.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,756,046 km

• M1: 62,083 km (0.057 R)
• M2: 459,864 km (0.119 R)
• M3: 864,227 km (0.114 R)
• M4: 1,894,956 km (0.105 R)
• M5: 2,663,291 km (0.058 R)
• M6: 3,090,692 km (0.074 R)
• M7: 3,334,686 km (0.043 R)
• M8: 4,209,684 km (0.113 R)
• M9: 4,475,819 km (0.101 R)
• M10: 6,444,227 km (0.09 R)
• M11: 7,937,065 km (0.11 R)
• M12: 9,646,071 km (0.095 R)
• M13: 10,167,718 km (0.09 R)
• M14: 10,708,066 km (0.115 R)
• M15: 11,586,205 km (0.069 R)
• M16: 11,845,608 km (0.11 R)
• M17: 12,042,778 km (0.111 R)
• M18: 13,771,681 km (0.094 R)
• M19: 17,884,725 km (0.065 R)
• M20: 19,939,451 km (0.065 R)
• M21: 21,361,080 km (0.107 R)
• M22: 24,404,499 km (0.105 R)
• M23: 24,723,890 km (0.108 R)
• M24: 26,924,625 km (0.103 R)
• M25: 28,189,026 km (0.082 R)
• M26: 29,252,667 km (0.116 R)
• M27: 30,342,637 km (0.048 R)
• M28: 33,774,861 km (0.114 R)
• M29: 36,339,567 km (0.09 R)
• M30: 43,859,253 km (0.094 R)
• M31: 44,016,331 km (0.096 R)
• M32: 46,091,403 km (0.051 R)
• M33: 47,897,349 km (0.102 R)
• M34: 49,579,577 km (0.099 R)
• M35: 51,649,712 km (0.113 R)
• M36: 54,317,640 km (0.069 R)
• M37: 54,680,116 km (0.112 R)
• M38: 58,015,700 km (0.077 R)
• M39: 70,540,034 km (0.11 R)
• M40: 71,404,859 km (0.042 R)
• M41: 73,597,664 km (0.127 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.1

Radius: 5.5

Gravity: 18.15 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 10.16 AU - 11.38 AU

Year: 23973 Days

Day: 23 Hours

Environment

Temp: -240 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,756,046 km

• M1: 77,791 km (0.114 R)
• M2: 353,799 km (0.106 R)
• M3: 525,388 km (0.052 R)
• M4: 1,076,357 km (0.05 R)
• M5: 1,436,888 km (0.088 R)
• M6: 1,952,252 km (0.113 R)
• M7: 3,663,801 km (0.079 R)
• M8: 3,911,685 km (0.104 R)
• M9: 4,580,537 km (0.06 R)
• M10: 5,206,754 km (0.089 R)
• M11: 8,447,941 km (0.095 R)
• M12: 8,717,068 km (0.07 R)
• M13: 9,851,169 km (0.096 R)
• M14: 12,271,065 km (0.094 R)
• M15: 14,594,170 km (0.09 R)
• M16: 35,744,317 km (0.105 R)
• M17: 43,206,707 km (0.102 R)
• M18: 58,354,539 km (0.089 R)
• M19: 64,787,995 km (0.073 R)
• M20: 73,927,677 km (0.117 R)
• M21: 78,094,277 km (0.069 R)
• M22: 78,330,193 km (0.062 R)
• M23: 78,803,670 km (0.114 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: 525 - 19,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit