🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 12.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.83 AU - 0.91 AU

Year: 550 Days

Day: 13.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,500,617 km

• M1: 156,629 km (0.078 R)
• M2: 560,394 km (0.078 R)
• M3: 1,250,189 km (0.118 R)
• M4: 1,744,610 km (0.074 R)
• M5: 2,276,580 km (0.079 R)
• M6: 2,734,948 km (0.097 R)
• M7: 3,173,569 km (0.081 R)
• M8: 4,055,897 km (0.066 R)
• M9: 4,690,192 km (0.083 R)
• M10: 5,609,471 km (0.105 R)
• M11: 6,139,646 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541

Radius: 13.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.15 AU - 1.47 AU

Year: 1017 Days

Day: 7.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,500,617 km

• M1: 164,109 km (0.046 R)
• M2: 705,653 km (0.111 R)
• M3: 1,161,927 km (0.08 R)
• M4: 1,986,959 km (0.083 R)
• M5: 3,108,494 km (0.095 R)
• M6: 4,009,373 km (0.044 R)
• M7: 4,462,504 km (0.116 R)
• M8: 6,115,860 km (0.065 R)
• M9: 7,035,588 km (0.114 R)
• M10: 8,020,391 km (0.089 R)
• M11: 9,624,678 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.7

Radius: 14.1

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.56 AU - 2.06 AU

Year: 1652 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,500,617 km

• M1: 175,478 km (0.072 R)
• M2: 754,272 km (0.08 R)
• M3: 1,343,838 km (0.061 R)
• M4: 2,067,143 km (0.07 R)
• M5: 2,530,298 km (0.116 R)
• M6: 3,645,251 km (0.088 R)
• M7: 4,140,271 km (0.086 R)
• M8: 4,774,865 km (0.098 R)
• M9: 5,939,783 km (0.058 R)
• M10: 7,014,495 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905

Radius: 8.2

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.76 AU - 2.42 AU

Year: 2049 Days

Day: 7.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,500,617 km

• M1: 103,671 km (0.055 R)
• M2: 428,897 km (0.119 R)
• M3: 737,667 km (0.102 R)
• M4: 1,076,057 km (0.1 R)
• M5: 1,848,581 km (0.097 R)
• M6: 2,163,185 km (0.111 R)
• M7: 3,741,742 km (0.082 R)
• M8: 4,088,061 km (0.042 R)
• M9: 4,540,445 km (0.073 R)
• M10: 5,003,151 km (0.07 R)
• M11: 5,472,589 km (0.054 R)
• M12: 6,418,347 km (0.117 R)
• M13: 7,741,091 km (0.09 R)
• M14: 9,871,365 km (0.041 R)
• M15: 10,954,603 km (0.105 R)
• M16: 12,449,086 km (0.115 R)
• M17: 15,010,202 km (0.102 R)
• M18: 15,590,940 km (0.113 R)
• M19: 16,490,024 km (0.104 R)
• M20: 17,004,341 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.6

Radius: 11.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.66 AU - 2.52 AU

Year: 2049 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,500,617 km

• M1: 139,126 km (0.111 R)
• M2: 514,168 km (0.064 R)
• M3: 945,010 km (0.072 R)
• M4: 1,498,223 km (0.074 R)
• M5: 1,905,877 km (0.079 R)
• M6: 2,520,425 km (0.048 R)
• M7: 2,977,297 km (0.04 R)
• M8: 3,382,408 km (0.065 R)
• M9: 4,747,937 km (0.116 R)
• M10: 5,100,390 km (0.083 R)
• M11: 5,770,439 km (0.042 R)
• M12: 6,264,560 km (0.11 R)
• M13: 6,738,038 km (0.082 R)
• M14: 7,184,438 km (0.069 R)
• M15: 7,650,585 km (0.08 R)
• M16: 8,444,201 km (0.075 R)
• M17: 10,817,871 km (0.1 R)
• M18: 11,746,574 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 10.3

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.21 AU - 3.03 AU

Year: 2876 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,500,617 km

• M1: 128,205 km (0.082 R)
• M2: 545,135 km (0.05 R)
• M3: 866,471 km (0.116 R)
• M4: 1,408,015 km (0.106 R)
• M5: 2,178,444 km (0.065 R)
• M6: 4,059,039 km (0.108 R)
• M7: 4,492,274 km (0.104 R)
• M8: 5,738,425 km (0.078 R)
• M9: 6,987,268 km (0.043 R)
• M10: 9,298,106 km (0.111 R)
• M11: 9,633,056 km (0.116 R)
• M12: 10,131,217 km (0.115 R)
• M13: 11,054,684 km (0.09 R)
• M14: 14,064,743 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.7

Radius: 14.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.64 AU - 4.18 AU

Year: 5244 Days

Day: 5.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,500,617 km

• M1: 184,005 km (0.082 R)
• M2: 1,052,421 km (0.065 R)
• M3: 1,664,276 km (0.064 R)
• M4: 2,247,708 km (0.111 R)
• M5: 2,741,830 km (0.106 R)
• M6: 3,393,329 km (0.094 R)
• M7: 4,270,570 km (0.103 R)
• M8: 5,500,415 km (0.053 R)
• M9: 6,117,955 km (0.057 R)
• M10: 7,166,935 km (0.07 R)
• M11: 8,693,880 km (0.107 R)
• M12: 9,577,854 km (0.119 R)
• M13: 10,707,617 km (0.041 R)
• M14: 12,229,776 km (0.103 R)
• M15: 12,909,548 km (0.084 R)
• M16: 15,160,398 km (0.077 R)
• M17: 18,059,754 km (0.042 R)
• M18: 20,139,015 km (0.105 R)
• M19: 20,646,301 km (0.102 R)
• M20: 21,762,152 km (0.079 R)
• M21: 22,528,243 km (0.116 R)
• M22: 24,851,797 km (0.067 R)
• M23: 29,134,185 km (0.064 R)
• M24: 30,537,862 km (0.099 R)
• M25: 32,281,126 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.7

Radius: 3.2

Gravity: 75.36 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.4 AU - 6.32 AU

Year: 9621 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 33,500,617 km

• M1: 39,943 km (0.082 R)
• M2: 148,999 km (0.114 R)
• M3: 270,024 km (0.079 R)
• M4: 496,067 km (0.094 R)
• M5: 817,104 km (0.109 R)
• M6: 1,543,401 km (0.092 R)
• M7: 1,646,325 km (0.115 R)
• M8: 2,034,232 km (0.089 R)
• M9: 2,789,851 km (0.12 R)
• M10: 3,536,344 km (0.037 R)
• M11: 3,928,290 km (0.098 R)
• M12: 4,177,072 km (0.065 R)
• M13: 7,067,751 km (0.092 R)
• M14: 8,120,322 km (0.116 R)
• M15: 9,863,436 km (0.047 R)
• M16: 10,955,800 km (0.11 R)
• M17: 11,172,717 km (0.109 R)
• M18: 11,447,827 km (0.095 R)
• M19: 12,242,192 km (0.113 R)
• M20: 13,255,269 km (0.054 R)
• M21: 13,939,679 km (0.099 R)
• M22: 14,130,416 km (0.098 R)
• M23: 18,933,855 km (0.119 R)
• M24: 19,324,754 km (0.077 R)
• M25: 19,880,959 km (0.051 R)
• M26: 23,624,047 km (0.104 R)
• M27: 26,721,172 km (0.055 R)
• M28: 27,015,431 km (0.114 R)
• M29: 27,311,784 km (0.08 R)
• M30: 29,656,880 km (0.072 R)
• M31: 31,474,046 km (0.085 R)
• M32: 32,800,530 km (0.119 R)
• M33: 35,920,543 km (0.115 R)
• M34: 37,368,351 km (0.106 R)
• M35: 38,854,756 km (0.064 R)
• M36: 41,549,911 km (0.079 R)
• M37: 42,742,206 km (0.108 R)
• M38: 43,144,624 km (0.105 R)
• M39: 47,308,831 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.7

Radius: 7.9

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.19 AU - 8.31 AU

Year: 14633 Days

Day: 18.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 33,500,617 km

• M1: 98,435 km (0.096 R)
• M2: 411,843 km (0.099 R)
• M3: 854,204 km (0.081 R)
• M4: 1,127,519 km (0.115 R)
• M5: 1,545,496 km (0.086 R)
• M6: 3,392,581 km (0.034 R)
• M7: 4,725,198 km (0.04 R)
• M8: 6,260,521 km (0.075 R)
• M9: 7,058,177 km (0.101 R)
• M10: 7,699,653 km (0.104 R)
• M11: 8,148,446 km (0.103 R)
• M12: 8,662,166 km (0.076 R)
• M13: 9,857,752 km (0.111 R)
• M14: 10,604,095 km (0.105 R)
• M15: 13,195,430 km (0.05 R)
• M16: 14,502,167 km (0.082 R)
• M17: 16,546,871 km (0.049 R)
• M18: 16,843,224 km (0.066 R)
• M19: 18,856,812 km (0.093 R)
• M20: 19,589,692 km (0.032 R)
• M21: 20,596,186 km (0.109 R)
• M22: 21,636,789 km (0.093 R)
• M23: 23,634,968 km (0.053 R)
• M24: 27,889,830 km (0.096 R)
• M25: 28,521,432 km (0.09 R)
• M26: 33,212,522 km (0.03 R)
• M27: 36,235,895 km (0.032 R)
• M28: 38,782,799 km (0.106 R)
• M29: 40,635,120 km (0.043 R)
• M30: 41,175,019 km (0.043 R)
• M31: 43,242,312 km (0.072 R)
• M32: 46,544,984 km (0.069 R)
• M33: 47,881,790 km (0.037 R)
• M34: 50,476,566 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.2

Radius: 4.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.27 AU - 9.69 AU

Year: 18252 Days

Day: 23.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,500,617 km

• M1: 52,359 km (0.055 R)
• M2: 278,102 km (0.034 R)
• M3: 538,104 km (0.054 R)
• M4: 885,021 km (0.091 R)
• M5: 1,887,626 km (0.087 R)
• M6: 3,100,266 km (0.1 R)
• M7: 3,329,301 km (0.112 R)
• M8: 3,682,501 km (0.1 R)
• M9: 5,957,885 km (0.12 R)
• M10: 8,903,018 km (0.093 R)
• M11: 11,673,122 km (0.035 R)
• M12: 12,536,750 km (0.077 R)
• M13: 13,606,375 km (0.084 R)
• M14: 16,858,633 km (0.117 R)
• M15: 17,566,081 km (0.046 R)
• M16: 19,595,376 km (0.109 R)
• M17: 23,552,838 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 14,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit