🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.8

Radius: 12.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.59 AU - 0.75 AU

Year: 366 Days

Day: 11.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 59,881,544 km

• M1: 159,322 km (0.119 R)
• M2: 1,085,482 km (0.111 R)
• M3: 1,508,246 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 14.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.77 AU - 1.09 AU

Year: 598 Days

Day: 6.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,881,544 km

• M1: 176,525 km (0.075 R)
• M2: 675,135 km (0.068 R)
• M3: 1,210,247 km (0.098 R)
• M4: 1,765,554 km (0.079 R)
• M5: 2,296,627 km (0.113 R)
• M6: 2,803,913 km (0.05 R)
• M7: 3,477,403 km (0.113 R)
• M8: 4,811,217 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.8

Radius: 8.2

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.89 AU - 1.01 AU

Year: 617 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,881,544 km

• M1: 120,426 km (0.095 R)
• M2: 500,704 km (0.113 R)
• M3: 811,120 km (0.093 R)
• M4: 1,368,821 km (0.111 R)
• M5: 1,850,526 km (0.071 R)
• M6: 2,108,732 km (0.109 R)
• M7: 2,499,481 km (0.109 R)
• M8: 2,853,729 km (0.092 R)
• M9: 3,980,500 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 8.6

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.22 AU - 1.64 AU

Year: 1140 Days

Day: 7.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 133.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,881,544 km

• M1: 106,962 km (0.096 R)
• M2: 381,624 km (0.06 R)
• M3: 670,049 km (0.083 R)
• M4: 1,351,318 km (0.055 R)
• M5: 1,738,327 km (0.095 R)
• M6: 2,303,957 km (0.085 R)
• M7: 2,606,743 km (0.108 R)
• M8: 3,026,066 km (0.077 R)
• M9: 3,620,268 km (0.043 R)
• M10: 4,015,955 km (0.053 R)
• M11: 4,306,474 km (0.102 R)
• M12: 4,576,648 km (0.116 R)
• M13: 5,095,303 km (0.116 R)
• M14: 5,692,648 km (0.051 R)
• M15: 6,250,049 km (0.099 R)
• M16: 6,686,127 km (0.097 R)
• M17: 8,091,599 km (0.116 R)
• M18: 8,399,920 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.2

Radius: 8.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.3 AU - 1.72 AU

Year: 1237 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,881,544 km

• M1: 110,702 km (0.114 R)
• M2: 490,831 km (0.101 R)
• M3: 1,058,106 km (0.067 R)
• M4: 1,518,119 km (0.053 R)
• M5: 1,892,263 km (0.104 R)
• M6: 2,305,752 km (0.079 R)
• M7: 2,717,745 km (0.039 R)
• M8: 4,190,536 km (0.095 R)
• M9: 4,735,371 km (0.093 R)
• M10: 5,062,093 km (0.088 R)
• M11: 6,500,925 km (0.079 R)
• M12: 7,067,153 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.3

Radius: 11.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.74 AU - 2.4 AU

Year: 1986 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,881,544 km

• M1: 147,952 km (0.088 R)
• M2: 859,290 km (0.042 R)
• M3: 1,230,143 km (0.116 R)
• M4: 1,752,988 km (0.07 R)
• M5: 2,133,116 km (0.069 R)
• M6: 3,486,079 km (0.088 R)
• M7: 4,152,986 km (0.071 R)
• M8: 4,692,137 km (0.084 R)
• M9: 7,302,770 km (0.064 R)
• M10: 9,698,280 km (0.114 R)
• M11: 10,759,827 km (0.08 R)
• M12: 11,509,462 km (0.088 R)
• M13: 12,863,622 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.8

Radius: 10.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.05 AU - 5.85 AU

Year: 8484 Days

Day: 9.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,881,544 km

• M1: 133,142 km (0.101 R)
• M2: 708,496 km (0.101 R)
• M3: 1,938,040 km (0.041 R)
• M4: 4,637,684 km (0.04 R)
• M5: 6,376,609 km (0.093 R)
• M6: 7,684,843 km (0.066 R)
• M7: 8,182,704 km (0.054 R)
• M8: 12,007,024 km (0.09 R)
• M9: 12,532,262 km (0.117 R)
• M10: 12,973,277 km (0.086 R)
• M11: 14,095,111 km (0.065 R)
• M12: 14,842,054 km (0.11 R)
• M13: 20,896,279 km (0.089 R)
• M14: 25,425,205 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.2

Radius: 6.2

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.34 AU - 8.04 AU

Year: 14221 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,881,544 km

• M1: 77,193 km (0.089 R)
• M2: 407,056 km (0.108 R)
• M3: 704,905 km (0.086 R)
• M4: 1,450,950 km (0.046 R)
• M5: 1,878,800 km (0.045 R)
• M6: 2,983,879 km (0.065 R)
• M7: 3,835,989 km (0.11 R)
• M8: 4,872,103 km (0.085 R)
• M9: 5,368,918 km (0.111 R)
• M10: 5,972,097 km (0.055 R)
• M11: 6,939,995 km (0.09 R)
• M12: 7,145,393 km (0.074 R)
• M13: 9,530,282 km (0.028 R)
• M14: 10,253,139 km (0.053 R)
• M15: 10,520,021 km (0.115 R)
• M16: 11,123,350 km (0.085 R)
• M17: 12,219,603 km (0.092 R)
• M18: 13,197,075 km (0.106 R)
• M19: 15,938,157 km (0.076 R)
• M20: 17,479,165 km (0.087 R)
• M21: 17,860,191 km (0.026 R)
• M22: 19,931,523 km (0.094 R)
• M23: 20,263,780 km (0.092 R)
• M24: 21,024,934 km (0.117 R)
• M25: 28,020,878 km (0.096 R)
• M26: 29,714,027 km (0.091 R)
• M27: 30,147,711 km (0.094 R)
• M28: 32,839,126 km (0.092 R)
• M29: 34,719,721 km (0.118 R)
• M30: 35,930,865 km (0.089 R)
• M31: 36,176,505 km (0.1 R)
• M32: 39,341,398 km (0.112 R)
• M33: 43,655,351 km (0.068 R)
• M34: 45,065,611 km (0.102 R)
• M35: 48,723,428 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.3

Radius: 5.1

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.92 AU - 9.92 AU

Year: 19280 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,881,544 km

• M1: 63,429 km (0.1 R)
• M2: 265,237 km (0.099 R)
• M3: 674,686 km (0.091 R)
• M4: 869,912 km (0.102 R)
• M5: 1,126,921 km (0.103 R)
• M6: 2,352,875 km (0.088 R)
• M7: 2,831,140 km (0.087 R)
• M8: 3,118,068 km (0.058 R)
• M9: 3,371,786 km (0.108 R)
• M10: 3,666,644 km (0.043 R)
• M11: 3,920,511 km (0.104 R)
• M12: 4,156,128 km (0.095 R)
• M13: 4,852,656 km (0.099 R)
• M14: 5,514,327 km (0.079 R)
• M15: 6,000,520 km (0.111 R)
• M16: 7,144,196 km (0.112 R)
• M17: 7,905,350 km (0.1 R)
• M18: 12,039,038 km (0.113 R)
• M19: 13,178,974 km (0.095 R)
• M20: 13,842,291 km (0.075 R)
• M21: 14,737,634 km (0.099 R)
• M22: 17,575,506 km (0.085 R)
• M23: 18,378,697 km (0.058 R)
• M24: 21,113,196 km (0.098 R)
• M25: 21,836,951 km (0.086 R)
• M26: 22,483,513 km (0.072 R)
• M27: 24,500,242 km (0.065 R)
• M28: 27,372,371 km (0.063 R)
• M29: 30,920,533 km (0.107 R)
• M30: 32,089,342 km (0.092 R)
• M31: 34,390,456 km (0.076 R)
• M32: 57,229,862 km (0.1 R)
• M33: 59,166,556 km (0.073 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: 465 - 11,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit