🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 8.7

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.99 AU - 1.07 AU

Year: 686 Days

Day: 7.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,765,033 km

• M1: 108,159 km (0.094 R)
• M2: 436,078 km (0.117 R)
• M3: 718,967 km (0.103 R)
• M4: 1,045,091 km (0.085 R)
• M5: 1,798,316 km (0.106 R)
• M6: 2,075,820 km (0.071 R)
• M7: 2,524,314 km (0.117 R)
• M8: 2,838,171 km (0.054 R)
• M9: 3,939,959 km (0.044 R)
• M10: 4,283,286 km (0.07 R)
• M11: 5,881,739 km (0.031 R)
• M12: 6,394,561 km (0.078 R)
• M13: 6,914,563 km (0.092 R)
• M14: 7,299,628 km (0.04 R)
• M15: 7,747,075 km (0.087 R)
• M16: 8,593,201 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.3

Radius: 9.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.94 AU - 1.24 AU

Year: 747 Days

Day: 9.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,765,033 km

• M1: 121,623 km (0.111 R)
• M2: 529,726 km (0.097 R)
• M3: 916,885 km (0.101 R)
• M4: 1,285,046 km (0.079 R)
• M5: 1,663,977 km (0.032 R)
• M6: 2,007,454 km (0.101 R)
• M7: 2,683,038 km (0.115 R)
• M8: 3,026,215 km (0.093 R)
• M9: 3,321,671 km (0.074 R)
• M10: 3,704,492 km (0.115 R)
• M11: 4,205,795 km (0.1 R)
• M12: 4,784,290 km (0.066 R)
• M13: 5,344,085 km (0.112 R)
• M14: 6,157,748 km (0.12 R)
• M15: 6,862,054 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 13.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.71 AU - 2.17 AU

Year: 1773 Days

Day: 9.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,765,033 km

• M1: 166,652 km (0.081 R)
• M2: 630,555 km (0.117 R)
• M3: 1,219,073 km (0.099 R)
• M4: 2,039,468 km (0.091 R)
• M5: 3,429,382 km (0.072 R)
• M6: 4,212,227 km (0.032 R)
• M7: 5,221,265 km (0.07 R)
• M8: 6,134,709 km (0.095 R)
• M9: 6,827,647 km (0.08 R)
• M10: 8,008,872 km (0.045 R)
• M11: 8,493,120 km (0.096 R)
• M12: 11,067,101 km (0.058 R)
• M13: 11,861,615 km (0.118 R)
• M14: 12,332,549 km (0.107 R)
• M15: 13,311,967 km (0.028 R)
• M16: 15,564,611 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.7

Radius: 13.6

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.09 AU - 3.39 AU

Year: 2975 Days

Day: 6.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,765,033 km

• M1: 169,195 km (0.12 R)
• M2: 650,900 km (0.052 R)
• M3: 1,339,051 km (0.059 R)
• M4: 1,826,889 km (0.102 R)
• M5: 2,460,735 km (0.045 R)
• M6: 3,111,337 km (0.114 R)
• M7: 3,748,324 km (0.083 R)
• M8: 4,370,801 km (0.109 R)
• M9: 5,105,775 km (0.109 R)
• M10: 5,538,412 km (0.042 R)
• M11: 6,689,119 km (0.112 R)
• M12: 7,264,772 km (0.12 R)
• M13: 7,784,475 km (0.107 R)
• M14: 8,705,998 km (0.056 R)
• M15: 9,836,958 km (0.114 R)
• M16: 10,330,331 km (0.114 R)
• M17: 10,988,861 km (0.116 R)
• M18: 11,520,233 km (0.081 R)
• M19: 13,345,626 km (0.107 R)
• M20: 14,127,275 km (0.102 R)
• M21: 14,801,812 km (0.071 R)
• M22: 15,734,554 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.3

Radius: 9.4

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.82 AU - 4.46 AU

Year: 4556 Days

Day: 12.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 25,765,033 km

• M1: 116,986 km (0.117 R)
• M2: 506,538 km (0.094 R)
• M3: 972,087 km (0.087 R)
• M4: 1,371,663 km (0.094 R)
• M5: 1,697,637 km (0.114 R)
• M6: 3,353,535 km (0.09 R)
• M7: 4,776,810 km (0.08 R)
• M8: 5,395,546 km (0.031 R)
• M9: 6,097,160 km (0.073 R)
• M10: 6,991,157 km (0.106 R)
• M11: 7,788,963 km (0.065 R)
• M12: 9,815,116 km (0.074 R)
• M13: 10,372,069 km (0.081 R)
• M14: 10,814,729 km (0.064 R)
• M15: 11,832,892 km (0.098 R)
• M16: 12,267,325 km (0.088 R)
• M17: 12,612,596 km (0.106 R)
• M18: 12,964,301 km (0.106 R)
• M19: 13,478,170 km (0.104 R)
• M20: 14,059,058 km (0.107 R)
• M21: 15,555,486 km (0.095 R)
• M22: 16,018,641 km (0.095 R)
• M23: 17,216,770 km (0.101 R)
• M24: 18,026,992 km (0.101 R)
• M25: 19,656,263 km (0.111 R)
• M26: 20,266,024 km (0.106 R)
• M27: 25,929,500 km (0.103 R)
• M28: 26,662,978 km (0.037 R)
• M29: 27,076,467 km (0.086 R)
• M30: 28,171,523 km (0.05 R)
• M31: 28,773,355 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.9

Radius: 13.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.44 AU - 4.32 AU

Year: 5014 Days

Day: 11.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,765,033 km

• M1: 169,195 km (0.074 R)
• M2: 897,138 km (0.071 R)
• M3: 1,615,059 km (0.082 R)
• M4: 2,157,650 km (0.086 R)
• M5: 3,749,970 km (0.059 R)
• M6: 7,067,751 km (0.087 R)
• M7: 7,965,039 km (0.043 R)
• M8: 8,538,897 km (0.083 R)
• M9: 9,769,938 km (0.116 R)
• M10: 12,582,677 km (0.057 R)
• M11: 15,076,623 km (0.028 R)
• M12: 16,197,261 km (0.034 R)
• M13: 17,627,117 km (0.079 R)
• M14: 20,665,899 km (0.077 R)
• M15: 21,313,059 km (0.101 R)
• M16: 24,434,119 km (0.054 R)
• M17: 25,076,941 km (0.104 R)
• M18: 27,848,242 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.7

Radius: 9.1

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.79 AU - 5.31 AU

Year: 7445 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 25,765,033 km

• M1: 113,246 km (0.094 R)
• M2: 429,495 km (0.056 R)
• M3: 767,587 km (0.108 R)
• M4: 1,264,252 km (0.086 R)
• M5: 2,108,881 km (0.061 R)
• M6: 2,821,565 km (0.114 R)
• M7: 4,193,677 km (0.12 R)
• M8: 4,863,128 km (0.101 R)
• M9: 6,520,971 km (0.104 R)
• M10: 7,776,397 km (0.073 R)
• M11: 9,276,414 km (0.095 R)
• M12: 10,509,400 km (0.116 R)
• M13: 12,009,567 km (0.081 R)
• M14: 13,239,412 km (0.065 R)
• M15: 13,647,664 km (0.098 R)
• M16: 14,004,305 km (0.093 R)
• M17: 15,175,058 km (0.072 R)
• M18: 15,493,702 km (0.095 R)
• M19: 16,276,697 km (0.085 R)
• M20: 23,859,065 km (0.108 R)
• M21: 25,257,207 km (0.025 R)
• M22: 27,267,802 km (0.085 R)
• M23: 28,216,103 km (0.061 R)
• M24: 28,990,422 km (0.05 R)
• M25: 29,878,435 km (0.109 R)
• M26: 31,501,572 km (0.09 R)
• M27: 33,397,126 km (0.071 R)
• M28: 40,263,669 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 9.8

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.54 AU - 6.82 AU

Year: 8880 Days

Day: 9.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 25,765,033 km

• M1: 123,119 km (0.085 R)
• M2: 451,636 km (0.085 R)
• M3: 776,114 km (0.034 R)
• M4: 1,084,884 km (0.078 R)
• M5: 1,504,805 km (0.08 R)
• M6: 1,853,966 km (0.059 R)
• M7: 2,994,800 km (0.09 R)
• M8: 4,320,985 km (0.104 R)
• M9: 4,728,938 km (0.075 R)
• M10: 5,162,473 km (0.041 R)
• M11: 5,862,591 km (0.079 R)
• M12: 6,400,395 km (0.094 R)
• M13: 10,603,198 km (0.1 R)
• M14: 11,511,855 km (0.109 R)
• M15: 11,900,660 km (0.059 R)
• M16: 12,355,887 km (0.085 R)
• M17: 14,230,348 km (0.045 R)
• M18: 16,706,941 km (0.04 R)
• M19: 17,134,043 km (0.094 R)
• M20: 18,686,270 km (0.037 R)
• M21: 21,312,012 km (0.104 R)
• M22: 30,122,429 km (0.109 R)
• M23: 31,289,741 km (0.118 R)
• M24: 33,264,583 km (0.106 R)
• M25: 33,827,519 km (0.099 R)
• M26: 37,219,202 km (0.101 R)
• M27: 38,686,608 km (0.111 R)
• M28: 39,059,406 km (0.114 R)
• M29: 40,959,448 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.9

Radius: 7.8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.15 AU - 7.91 AU

Year: 13555 Days

Day: 22.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,765,033 km

• M1: 97,987 km (0.092 R)
• M2: 401,221 km (0.103 R)
• M3: 654,491 km (0.104 R)
• M4: 1,245,402 km (0.119 R)
• M5: 1,752,090 km (0.117 R)
• M6: 2,358,859 km (0.075 R)
• M7: 2,628,135 km (0.09 R)
• M8: 3,442,097 km (0.112 R)
• M9: 4,628,857 km (0.116 R)
• M10: 5,262,255 km (0.069 R)
• M11: 6,363,594 km (0.111 R)
• M12: 6,669,223 km (0.075 R)
• M13: 9,167,956 km (0.057 R)
• M14: 9,757,671 km (0.092 R)
• M15: 10,882,497 km (0.112 R)
• M16: 12,513,563 km (0.077 R)
• M17: 15,202,136 km (0.118 R)
• M18: 16,140,264 km (0.093 R)
• M19: 17,351,558 km (0.049 R)
• M20: 19,312,487 km (0.074 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 15,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit