🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 9.2

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.8 AU - 1.08 AU

Year: 588 Days

Day: 8.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 141.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,476,977 km

• M1: 114,442 km (0.112 R)
• M2: 480,808 km (0.115 R)
• M3: 787,932 km (0.112 R)
• M4: 1,078,451 km (0.076 R)
• M5: 1,385,725 km (0.105 R)
• M6: 1,694,794 km (0.104 R)
• M7: 2,182,783 km (0.073 R)
• M8: 2,497,536 km (0.067 R)
• M9: 2,937,055 km (0.083 R)
• M10: 3,494,157 km (0.095 R)
• M11: 4,045,426 km (0.096 R)
• M12: 4,397,130 km (0.072 R)
• M13: 4,954,382 km (0.065 R)
• M14: 5,429,804 km (0.086 R)
• M15: 5,725,709 km (0.075 R)
• M16: 6,249,601 km (0.108 R)
• M17: 6,574,976 km (0.103 R)
• M18: 7,642,506 km (0.09 R)
• M19: 7,944,096 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 10.3

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.23 AU - 1.43 AU

Year: 990 Days

Day: 8.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,476,977 km

• M1: 128,505 km (0.097 R)
• M2: 486,043 km (0.059 R)
• M3: 828,473 km (0.087 R)
• M4: 1,751,791 km (0.032 R)
• M5: 2,178,594 km (0.111 R)
• M6: 2,812,440 km (0.048 R)
• M7: 3,620,717 km (0.104 R)
• M8: 3,951,927 km (0.104 R)
• M9: 4,692,736 km (0.062 R)
• M10: 5,123,129 km (0.062 R)
• M11: 5,808,437 km (0.082 R)
• M12: 6,744,321 km (0.097 R)
• M13: 7,226,176 km (0.09 R)
• M14: 8,136,628 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594

Radius: 14.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.1 AU - 2.98 AU

Year: 2614 Days

Day: 8.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,476,977 km

• M1: 176,525 km (0.067 R)
• M2: 835,654 km (0.093 R)
• M3: 2,504,119 km (0.091 R)
• M4: 3,323,765 km (0.095 R)
• M5: 5,005,994 km (0.116 R)
• M6: 5,919,737 km (0.03 R)
• M7: 8,016,351 km (0.05 R)
• M8: 9,511,881 km (0.064 R)
• M9: 11,186,181 km (0.115 R)
• M10: 13,049,721 km (0.101 R)
• M11: 14,216,734 km (0.074 R)
• M12: 14,920,892 km (0.087 R)
• M13: 15,895,971 km (0.105 R)
• M14: 17,331,961 km (0.035 R)
• M15: 17,865,277 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.8

Radius: 9.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.36 AU - 3.02 AU

Year: 2849 Days

Day: 8.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,476,977 km

• M1: 113,246 km (0.09 R)
• M2: 698,472 km (0.098 R)
• M3: 994,676 km (0.075 R)
• M4: 1,393,953 km (0.085 R)
• M5: 1,953,299 km (0.076 R)
• M6: 2,417,352 km (0.088 R)
• M7: 2,808,999 km (0.077 R)
• M8: 3,195,560 km (0.115 R)
• M9: 3,500,441 km (0.042 R)
• M10: 3,807,116 km (0.074 R)
• M11: 4,553,909 km (0.099 R)
• M12: 5,068,226 km (0.081 R)
• M13: 5,507,146 km (0.083 R)
• M14: 5,829,231 km (0.12 R)
• M15: 6,262,017 km (0.067 R)
• M16: 6,638,854 km (0.086 R)
• M17: 7,004,172 km (0.061 R)
• M18: 8,122,716 km (0.092 R)
• M19: 9,068,324 km (0.117 R)
• M20: 10,085,440 km (0.113 R)
• M21: 10,995,743 km (0.092 R)
• M22: 12,228,728 km (0.099 R)
• M23: 13,345,177 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.7

Radius: 13.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.26 AU - 5.2 AU

Year: 6642 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,476,977 km

• M1: 169,195 km (0.054 R)
• M2: 765,642 km (0.114 R)
• M3: 1,266,944 km (0.099 R)
• M4: 2,074,773 km (0.101 R)
• M5: 2,783,119 km (0.075 R)
• M6: 4,736,418 km (0.108 R)
• M7: 5,233,831 km (0.078 R)
• M8: 5,679,633 km (0.118 R)
• M9: 6,211,603 km (0.076 R)
• M10: 7,444,738 km (0.101 R)
• M11: 8,453,626 km (0.055 R)
• M12: 9,429,603 km (0.101 R)
• M13: 11,652,328 km (0.103 R)
• M14: 14,911,168 km (0.077 R)
• M15: 15,357,269 km (0.073 R)
• M16: 15,869,791 km (0.076 R)
• M17: 17,476,472 km (0.097 R)
• M18: 19,386,089 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.3

Radius: 14

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.48 AU - 5.56 AU

Year: 7262 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,476,977 km

• M1: 175,329 km (0.092 R)
• M2: 642,672 km (0.102 R)
• M3: 1,091,765 km (0.065 R)
• M4: 1,734,887 km (0.093 R)
• M5: 2,605,845 km (0.085 R)
• M6: 3,586,908 km (0.116 R)
• M7: 4,048,268 km (0.096 R)
• M8: 4,604,772 km (0.106 R)
• M9: 6,378,105 km (0.062 R)
• M10: 6,875,967 km (0.09 R)
• M11: 7,515,647 km (0.095 R)
• M12: 8,958,220 km (0.091 R)
• M13: 10,144,082 km (0.08 R)
• M14: 11,075,179 km (0.115 R)
• M15: 11,955,862 km (0.098 R)
• M16: 14,513,088 km (0.095 R)
• M17: 16,873,742 km (0.098 R)
• M18: 17,553,365 km (0.05 R)
• M19: 18,251,239 km (0.083 R)
• M20: 19,040,219 km (0.092 R)
• M21: 20,304,171 km (0.094 R)
• M22: 22,182,821 km (0.034 R)
• M23: 24,691,129 km (0.109 R)
• M24: 25,302,535 km (0.052 R)
• M25: 33,876,438 km (0.076 R)
• M26: 36,064,307 km (0.103 R)
• M27: 38,812,120 km (0.112 R)
• M28: 39,758,327 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.8

Radius: 8.1

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.94 AU - 5.68 AU

Year: 7901 Days

Day: 6.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,476,977 km

• M1: 100,679 km (0.055 R)
• M2: 381,325 km (0.063 R)
• M3: 1,247,945 km (0.112 R)
• M4: 1,591,273 km (0.116 R)
• M5: 1,844,691 km (0.108 R)
• M6: 2,416,604 km (0.095 R)
• M7: 2,975,651 km (0.036 R)
• M8: 3,501,189 km (0.093 R)
• M9: 5,837,907 km (0.083 R)
• M10: 9,188,750 km (0.113 R)
• M11: 10,014,530 km (0.101 R)
• M12: 12,457,613 km (0.067 R)
• M13: 12,733,023 km (0.118 R)
• M14: 13,182,116 km (0.032 R)
• M15: 13,934,294 km (0.075 R)
• M16: 14,231,245 km (0.106 R)
• M17: 15,461,090 km (0.079 R)
• M18: 17,368,014 km (0.101 R)
• M19: 23,600,111 km (0.115 R)
• M20: 30,175,536 km (0.106 R)
• M21: 32,094,578 km (0.07 R)
• M22: 33,136,676 km (0.089 R)
• M23: 35,729,357 km (0.058 R)
• M24: 36,961,744 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.1

Radius: 6.1

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.22 AU - 8.66 AU

Year: 13103 Days

Day: 18.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 110.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,476,977 km

• M1: 76,744 km (0.112 R)
• M2: 339,288 km (0.058 R)
• M3: 1,397,394 km (0.11 R)
• M4: 1,704,518 km (0.07 R)
• M5: 2,858,815 km (0.068 R)
• M6: 3,533,801 km (0.11 R)
• M7: 4,551,216 km (0.045 R)
• M8: 6,043,754 km (0.094 R)
• M9: 6,501,673 km (0.117 R)
• M10: 8,059,735 km (0.106 R)
• M11: 8,473,373 km (0.089 R)
• M12: 8,757,011 km (0.074 R)
• M13: 9,443,366 km (0.061 R)
• M14: 11,486,424 km (0.102 R)
• M15: 12,188,487 km (0.12 R)
• M16: 13,613,257 km (0.113 R)
• M17: 16,349,850 km (0.106 R)
• M18: 17,616,496 km (0.076 R)
• M19: 18,078,603 km (0.091 R)
• M20: 18,312,874 km (0.094 R)
• M21: 19,513,995 km (0.117 R)
• M22: 20,008,865 km (0.105 R)
• M23: 21,282,541 km (0.077 R)
• M24: 26,216,129 km (0.069 R)
• M25: 30,298,057 km (0.094 R)
• M26: 32,662,302 km (0.053 R)
• M27: 39,039,958 km (0.086 R)
• M28: 41,292,453 km (0.101 R)
• M29: 42,244,644 km (0.1 R)
• M30: 42,933,691 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.8

Radius: 4.1

Gravity: 44.78 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.4 AU - 8 AU

Year: 13796 Days

Day: 21 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,476,977 km

• M1: 51,013 km (0.079 R)
• M2: 602,131 km (0.101 R)
• M3: 1,031,178 km (0.12 R)
• M4: 1,754,783 km (0.091 R)
• M5: 3,411,879 km (0.072 R)
• M6: 3,797,243 km (0.107 R)
• M7: 4,588,915 km (0.096 R)
• M8: 5,896,849 km (0.065 R)
• M9: 7,479,744 km (0.042 R)
• M10: 8,080,529 km (0.101 R)
• M11: 8,762,845 km (0.119 R)
• M12: 13,149,054 km (0.111 R)
• M13: 13,817,159 km (0.055 R)
• M14: 15,076,324 km (0.082 R)
• M15: 15,659,756 km (0.072 R)
• M16: 16,794,156 km (0.045 R)
• M17: 19,224,972 km (0.094 R)
• M18: 22,158,586 km (0.118 R)
• M19: 32,002,425 km (0.116 R)
• M20: 37,137,372 km (0.09 R)
• M21: 40,662,796 km (0.086 R)
• M22: 41,365,457 km (0.049 R)
• M23: 47,125,872 km (0.116 R)
• M24: 60,386,377 km (0.119 R)

Asteroid Belt

Center: 8.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.8

Radius: 5.2

Gravity: 29.28 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.29 AU - 11.59 AU

Year: 20235 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,476,977 km

• M1: 64,776 km (0.087 R)
• M2: 280,646 km (0.062 R)
• M3: 956,379 km (0.067 R)
• M4: 1,261,708 km (0.042 R)
• M5: 1,461,721 km (0.07 R)
• M6: 1,755,232 km (0.078 R)
• M7: 2,046,200 km (0.078 R)
• M8: 2,368,733 km (0.087 R)
• M9: 2,774,442 km (0.117 R)
• M10: 4,945,556 km (0.025 R)
• M11: 6,237,633 km (0.07 R)
• M12: 7,790,010 km (0.033 R)
• M13: 10,298,168 km (0.072 R)
• M14: 11,048,252 km (0.119 R)
• M15: 12,378,177 km (0.08 R)
• M16: 12,867,960 km (0.094 R)
• M17: 17,959,972 km (0.094 R)
• M18: 18,316,763 km (0.096 R)
• M19: 18,496,879 km (0.104 R)
• M20: 19,322,061 km (0.105 R)
• M21: 20,556,991 km (0.114 R)
• M22: 22,558,162 km (0.077 R)
• M23: 25,460,510 km (0.088 R)
• M24: 27,764,467 km (0.045 R)
• M25: 28,002,178 km (0.118 R)
• M26: 28,845,162 km (0.106 R)
• M27: 31,475,093 km (0.117 R)
• M28: 31,863,449 km (0.084 R)
• M29: 46,543,787 km (0.087 R)
• M30: 47,725,311 km (0.091 R)
• M31: 56,944,130 km (0.03 R)
• M32: 73,682,038 km (0.085 R)
• M33: 76,212,336 km (0.081 R)
• M34: 77,616,761 km (0.026 R)
• M35: 78,088,593 km (0.034 R)
• M36: 79,276,848 km (0.068 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 12,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit