🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.9

Radius: 12.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.55 AU - 0.89 AU

Year: 429 Days

Day: 8 Hours

Environment

Temp: -155 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,526,753 km

• M1: 159,172 km (0.038 R)
• M2: 578,944 km (0.116 R)
• M3: 993,479 km (0.109 R)
• M4: 1,611,019 km (0.12 R)
• M5: 2,055,924 km (0.074 R)
• M6: 2,502,772 km (0.102 R)
• M7: 3,014,995 km (0.035 R)
• M8: 3,759,544 km (0.089 R)
• M9: 4,623,322 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.8

Radius: 9.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.6 AU - 0.9 AU

Year: 457 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,526,753 km

• M1: 119,379 km (0.073 R)
• M2: 503,546 km (0.11 R)
• M3: 965,654 km (0.067 R)
• M4: 1,725,761 km (0.082 R)
• M5: 2,025,406 km (0.119 R)
• M6: 2,545,557 km (0.093 R)
• M7: 2,994,800 km (0.045 R)
• M8: 3,474,859 km (0.086 R)
• M9: 3,865,160 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.7

Radius: 12.3

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.9 AU - 1.24 AU

Year: 778 Days

Day: 12.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 174.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,526,753 km

• M1: 153,039 km (0.071 R)
• M2: 544,237 km (0.055 R)
• M3: 1,067,231 km (0.114 R)
• M4: 1,590,375 km (0.099 R)
• M5: 2,654,764 km (0.066 R)
• M6: 3,130,186 km (0.072 R)
• M7: 4,085,219 km (0.038 R)
• M8: 4,960,965 km (0.097 R)
• M9: 6,216,988 km (0.091 R)
• M10: 7,352,735 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 11

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.77 AU - 3.85 AU

Year: 4233 Days

Day: 5.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,526,753 km

• M1: 136,882 km (0.097 R)
• M2: 513,869 km (0.09 R)
• M3: 1,355,207 km (0.117 R)
• M4: 1,729,052 km (0.069 R)
• M5: 2,187,570 km (0.072 R)
• M6: 3,311,947 km (0.085 R)
• M7: 4,261,146 km (0.074 R)
• M8: 4,997,915 km (0.116 R)
• M9: 5,967,459 km (0.114 R)
• M10: 6,369,877 km (0.063 R)
• M11: 8,314,799 km (0.036 R)
• M12: 8,817,747 km (0.092 R)
• M13: 9,506,047 km (0.113 R)
• M14: 10,013,034 km (0.106 R)
• M15: 11,035,536 km (0.082 R)
• M16: 11,407,137 km (0.092 R)
• M17: 13,444,061 km (0.087 R)
• M18: 13,868,171 km (0.078 R)
• M19: 14,246,654 km (0.072 R)
• M20: 14,911,317 km (0.108 R)
• M21: 18,161,780 km (0.109 R)
• M22: 21,066,671 km (0.103 R)
• M23: 21,495,269 km (0.085 R)
• M24: 24,581,473 km (0.106 R)
• M25: 26,107,222 km (0.046 R)
• M26: 27,102,796 km (0.057 R)
• M27: 27,609,933 km (0.095 R)
• M28: 30,331,866 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.8

Radius: 14.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.03 AU - 4.39 AU

Year: 6072 Days

Day: 6.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,526,753 km

• M1: 176,974 km (0.083 R)
• M2: 720,314 km (0.066 R)
• M3: 1,206,208 km (0.116 R)
• M4: 1,717,234 km (0.092 R)
• M5: 2,230,355 km (0.084 R)
• M6: 3,318,679 km (0.064 R)
• M7: 5,091,115 km (0.11 R)
• M8: 5,672,153 km (0.044 R)
• M9: 6,968,119 km (0.056 R)
• M10: 8,978,715 km (0.105 R)
• M11: 11,016,387 km (0.082 R)
• M12: 14,455,792 km (0.071 R)
• M13: 14,916,404 km (0.056 R)
• M14: 23,215,196 km (0.094 R)
• M15: 23,768,110 km (0.102 R)
• M16: 24,654,627 km (0.113 R)
• M17: 27,098,009 km (0.079 R)
• M18: 27,799,473 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.9

Radius: 4

Gravity: 29.06 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.62 AU - 8.4 AU

Year: 13046 Days

Day: 24.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,526,753 km

• M1: 49,816 km (0.104 R)
• M2: 187,596 km (0.116 R)
• M3: 342,729 km (0.077 R)
• M4: 701,764 km (0.115 R)
• M5: 882,927 km (0.045 R)
• M6: 1,049,728 km (0.103 R)
• M7: 1,561,054 km (0.092 R)
• M8: 1,855,313 km (0.12 R)
• M9: 2,513,095 km (0.061 R)
• M10: 2,961,888 km (0.102 R)
• M11: 3,362,811 km (0.117 R)
• M12: 3,487,276 km (0.091 R)
• M13: 3,666,943 km (0.088 R)
• M14: 4,300,640 km (0.069 R)
• M15: 7,403,599 km (0.059 R)
• M16: 9,256,967 km (0.098 R)
• M17: 11,120,956 km (0.074 R)
• M18: 12,316,393 km (0.114 R)
• M19: 12,613,045 km (0.104 R)
• M20: 13,097,742 km (0.102 R)
• M21: 15,229,063 km (0.069 R)
• M22: 16,627,205 km (0.114 R)
• M23: 16,916,677 km (0.106 R)
• M24: 18,569,733 km (0.074 R)
• M25: 19,515,341 km (0.109 R)
• M26: 19,837,426 km (0.073 R)
• M27: 21,331,310 km (0.106 R)
• M28: 21,931,945 km (0.104 R)
• M29: 24,354,533 km (0.085 R)
• M30: 29,091,251 km (0.085 R)
• M31: 31,124,136 km (0.096 R)
• M32: 31,343,447 km (0.111 R)
• M33: 32,907,941 km (0.108 R)
• M34: 36,922,250 km (0.088 R)
• M35: 43,400,287 km (0.04 R)
• M36: 43,537,020 km (0.075 R)
• M37: 44,363,548 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.6

Radius: 5.7

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.18 AU - 8.08 AU

Year: 14815 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,526,753 km

• M1: 70,909 km (0.109 R)
• M2: 275,410 km (0.036 R)
• M3: 693,536 km (0.098 R)
• M4: 1,102,836 km (0.063 R)
• M5: 1,361,789 km (0.056 R)
• M6: 1,660,686 km (0.033 R)
• M7: 2,072,978 km (0.072 R)
• M8: 2,804,960 km (0.09 R)
• M9: 3,515,101 km (0.083 R)
• M10: 4,022,986 km (0.116 R)
• M11: 4,639,778 km (0.115 R)
• M12: 5,488,297 km (0.108 R)
• M13: 6,827,796 km (0.086 R)
• M14: 7,319,076 km (0.105 R)
• M15: 8,650,048 km (0.06 R)
• M16: 9,323,238 km (0.115 R)
• M17: 10,082,597 km (0.05 R)
• M18: 13,221,161 km (0.088 R)
• M19: 13,535,316 km (0.046 R)
• M20: 17,177,276 km (0.115 R)
• M21: 18,238,224 km (0.103 R)
• M22: 21,595,799 km (0.044 R)
• M23: 22,119,392 km (0.076 R)
• M24: 22,384,180 km (0.104 R)
• M25: 32,933,672 km (0.12 R)
• M26: 35,043,152 km (0.042 R)
• M27: 35,403,234 km (0.083 R)
• M28: 35,644,685 km (0.077 R)
• M29: 35,887,183 km (0.094 R)
• M30: 42,996,971 km (0.04 R)
• M31: 44,103,397 km (0.065 R)
• M32: 48,125,785 km (0.081 R)
• M33: 50,225,690 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.5

Radius: 3.9

Gravity: 64.53 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.58 AU - 9.02 AU

Year: 18350 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,526,753 km

• M1: 51,462 km (0.039 R)
• M2: 552,764 km (0.116 R)
• M3: 725,699 km (0.103 R)
• M4: 1,487,751 km (0.072 R)
• M5: 1,713,644 km (0.118 R)
• M6: 1,962,126 km (0.104 R)
• M7: 2,322,657 km (0.101 R)
• M8: 2,801,669 km (0.107 R)
• M9: 3,314,939 km (0.083 R)
• M10: 7,229,766 km (0.061 R)
• M11: 9,283,146 km (0.092 R)
• M12: 12,513,413 km (0.069 R)
• M13: 14,416,747 km (0.11 R)
• M14: 14,803,607 km (0.07 R)
• M15: 25,388,404 km (0.075 R)
• M16: 26,755,729 km (0.098 R)
• M17: 27,694,156 km (0.114 R)
• M18: 30,261,405 km (0.06 R)
• M19: 35,162,680 km (0.095 R)
• M20: 37,003,033 km (0.086 R)
• M21: 40,567,203 km (0.101 R)
• M22: 45,335,784 km (0.075 R)
• M23: 51,176,235 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.9

Radius: 8

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.48 AU - 10.16 AU

Year: 20000 Days

Day: 17.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,526,753 km

• M1: 100,081 km (0.116 R)
• M2: 783,743 km (0.097 R)
• M3: 1,075,459 km (0.071 R)
• M4: 1,471,295 km (0.12 R)
• M5: 2,420,194 km (0.109 R)
• M6: 2,699,344 km (0.075 R)
• M7: 3,699,107 km (0.115 R)
• M8: 4,400,272 km (0.117 R)
• M9: 5,534,523 km (0.061 R)
• M10: 5,980,474 km (0.119 R)
• M11: 7,319,225 km (0.078 R)
• M12: 11,585,757 km (0.069 R)
• M13: 14,312,627 km (0.06 R)
• M14: 15,309,248 km (0.099 R)
• M15: 16,025,672 km (0.084 R)
• M16: 17,184,607 km (0.098 R)
• M17: 17,525,690 km (0.104 R)
• M18: 17,784,494 km (0.084 R)
• M19: 18,935,650 km (0.047 R)
• M20: 19,668,230 km (0.09 R)
• M21: 27,364,742 km (0.047 R)
• M22: 28,419,257 km (0.095 R)
• M23: 28,776,796 km (0.059 R)
• M24: 32,909,437 km (0.075 R)
• M25: 37,278,593 km (0.093 R)
• M26: 43,264,602 km (0.097 R)
• M27: 44,055,227 km (0.109 R)
• M28: 46,815,158 km (0.095 R)
• M29: 50,033,905 km (0.077 R)
• M30: 50,380,973 km (0.077 R)
• M31: 51,432,197 km (0.08 R)
• M32: 53,216,451 km (0.09 R)
• M33: 56,531,539 km (0.068 R)
• M34: 63,366,666 km (0.087 R)
• M35: 67,298,248 km (0.11 R)
• M36: 70,514,752 km (0.102 R)
• M37: 71,389,450 km (0.088 R)
• M38: 73,160,539 km (0.077 R)
• M39: 74,056,930 km (0.143 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578

Radius: 5.6

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.12 AU - 11.46 AU

Year: 21532 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,526,753 km

• M1: 74,051 km (0.08 R)
• M2: 629,209 km (0.089 R)
• M3: 964,009 km (0.111 R)
• M4: 1,262,905 km (0.086 R)
• M5: 1,708,408 km (0.095 R)
• M6: 3,168,184 km (0.1 R)
• M7: 4,614,945 km (0.12 R)
• M8: 7,130,732 km (0.096 R)
• M9: 7,853,888 km (0.096 R)
• M10: 10,138,098 km (0.114 R)
• M11: 13,039,250 km (0.063 R)
• M12: 16,125,154 km (0.07 R)
• M13: 20,792,010 km (0.088 R)
• M14: 21,274,014 km (0.078 R)
• M15: 26,397,591 km (0.044 R)
• M16: 29,303,231 km (0.107 R)
• M17: 29,908,953 km (0.096 R)
• M18: 35,329,931 km (0.104 R)
• M19: 48,064,599 km (0.108 R)
• M20: 55,445,459 km (0.076 R)
• M21: 74,176,608 km (0.06 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 13,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit