🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 10.3

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.54 AU - 0.62 AU

Year: 295 Days

Day: 9.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 96,756,661 km

• M1: 128,804 km (0.099 R)
• M2: 478,863 km (0.083 R)
• M3: 947,254 km (0.113 R)
• M4: 1,359,545 km (0.117 R)
• M5: 1,755,531 km (0.032 R)
• M6: 2,135,809 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.5

Radius: 11.6

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.53 AU - 0.67 AU

Year: 310 Days

Day: 6.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,756,661 km

• M1: 144,212 km (0.102 R)
• M2: 638,484 km (0.117 R)
• M3: 1,107,024 km (0.119 R)
• M4: 1,644,829 km (0.069 R)
• M5: 2,335,522 km (0.084 R)
• M6: 2,758,585 km (0.075 R)
• M7: 3,254,651 km (0.052 R)
• M8: 3,677,265 km (0.097 R)
• M9: 4,059,488 km (0.056 R)
• M10: 4,441,112 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 13

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.54 AU - 0.86 AU

Year: 391 Days

Day: 6.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 96,756,661 km

• M1: 161,715 km (0.1 R)
• M2: 586,124 km (0.097 R)
• M3: 1,071,420 km (0.11 R)
• M4: 1,580,950 km (0.107 R)
• M5: 2,014,186 km (0.1 R)
• M6: 2,980,139 km (0.088 R)
• M7: 3,452,120 km (0.098 R)
• M8: 4,025,080 km (0.049 R)
• M9: 4,506,486 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 8.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.26 AU - 1.8 AU

Year: 1262 Days

Day: 14.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 96,756,661 km

• M1: 103,671 km (0.096 R)
• M2: 453,132 km (0.106 R)
• M3: 831,615 km (0.117 R)
• M4: 1,120,937 km (0.093 R)
• M5: 1,633,908 km (0.077 R)
• M6: 1,962,425 km (0.071 R)
• M7: 2,809,448 km (0.073 R)
• M8: 4,095,391 km (0.087 R)
• M9: 5,135,246 km (0.051 R)
• M10: 5,412,002 km (0.051 R)
• M11: 6,620,005 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.2

Radius: 14.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.91 AU - 3.37 AU

Year: 3710 Days

Day: 5.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,756,661 km

• M1: 182,809 km (0.093 R)
• M2: 775,665 km (0.104 R)
• M3: 1,411,606 km (0.105 R)
• M4: 2,155,257 km (0.113 R)
• M5: 5,028,134 km (0.079 R)
• M6: 6,075,020 km (0.061 R)
• M7: 6,588,290 km (0.115 R)
• M8: 7,295,888 km (0.116 R)
• M9: 7,807,064 km (0.076 R)
• M10: 9,525,944 km (0.095 R)
• M11: 10,819,217 km (0.06 R)
• M12: 11,713,812 km (0.082 R)
• M13: 12,608,857 km (0.12 R)
• M14: 13,549,229 km (0.075 R)
• M15: 14,010,589 km (0.102 R)
• M16: 14,857,013 km (0.111 R)
• M17: 15,347,844 km (0.072 R)
• M18: 20,134,976 km (0.099 R)
• M19: 20,669,339 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.4

Radius: 15

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.8 AU - 3.92 AU

Year: 4107 Days

Day: 9.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 96,756,661 km

• M1: 186,549 km (0.12 R)
• M2: 684,111 km (0.12 R)
• M3: 1,173,745 km (0.095 R)
• M4: 1,676,843 km (0.05 R)
• M5: 2,432,910 km (0.12 R)
• M6: 2,979,840 km (0.037 R)
• M7: 3,568,508 km (0.056 R)
• M8: 4,372,895 km (0.029 R)
• M9: 5,137,490 km (0.084 R)
• M10: 7,064,161 km (0.11 R)
• M11: 8,013,060 km (0.12 R)
• M12: 9,634,252 km (0.085 R)
• M13: 11,240,934 km (0.066 R)
• M14: 13,069,468 km (0.043 R)
• M15: 13,619,390 km (0.049 R)
• M16: 15,417,557 km (0.119 R)
• M17: 17,912,699 km (0.03 R)
• M18: 20,399,016 km (0.097 R)
• M19: 25,041,636 km (0.09 R)
• M20: 25,735,621 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.9

Radius: 13.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.13 AU - 3.83 AU

Year: 4329 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,756,661 km

• M1: 170,691 km (0.08 R)
• M2: 628,610 km (0.036 R)
• M3: 1,159,383 km (0.037 R)
• M4: 2,287,052 km (0.118 R)
• M5: 2,724,925 km (0.064 R)
• M6: 3,857,680 km (0.098 R)
• M7: 5,417,088 km (0.059 R)
• M8: 6,235,239 km (0.111 R)
• M9: 7,134,322 km (0.103 R)
• M10: 8,405,007 km (0.089 R)
• M11: 9,581,444 km (0.099 R)
• M12: 10,908,228 km (0.106 R)
• M13: 13,822,694 km (0.064 R)
• M14: 14,389,221 km (0.098 R)
• M15: 15,957,754 km (0.076 R)
• M16: 17,577,750 km (0.077 R)
• M17: 23,820,020 km (0.074 R)
• M18: 24,710,576 km (0.069 R)
• M19: 25,316,448 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.3

Radius: 4.4

Gravity: 20.42 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.9 AU - 9.5 AU

Year: 17112 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 96,756,661 km

• M1: 65,823 km (0.075 R)
• M2: 1,431,502 km (0.079 R)
• M3: 1,594,713 km (0.078 R)
• M4: 3,062,568 km (0.098 R)
• M5: 3,623,709 km (0.09 R)
• M6: 4,341,181 km (0.096 R)
• M7: 5,115,050 km (0.118 R)
• M8: 7,227,372 km (0.084 R)
• M9: 8,691,487 km (0.088 R)
• M10: 11,126,192 km (0.095 R)
• M11: 20,642,412 km (0.067 R)
• M12: 23,830,193 km (0.091 R)
• M13: 25,192,281 km (0.114 R)
• M14: 26,502,609 km (0.102 R)
• M15: 27,018,423 km (0.089 R)
• M16: 37,227,580 km (0.108 R)
• M17: 49,734,261 km (0.112 R)
• M18: 56,581,355 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.2

Radius: 7

Gravity: 18.33 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.63 AU - 10.67 AU

Year: 21564 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 96,756,661 km

• M1: 100,081 km (0.039 R)
• M2: 406,607 km (0.079 R)
• M3: 1,096,852 km (0.088 R)
• M4: 1,373,608 km (0.051 R)
• M5: 1,886,579 km (0.094 R)
• M6: 2,569,194 km (0.109 R)
• M7: 3,648,243 km (0.098 R)
• M8: 5,196,880 km (0.086 R)
• M9: 6,116,309 km (0.113 R)
• M10: 6,568,394 km (0.108 R)
• M11: 7,238,293 km (0.079 R)
• M12: 8,165,501 km (0.092 R)
• M13: 8,436,572 km (0.039 R)
• M14: 10,697,445 km (0.094 R)
• M15: 11,154,017 km (0.045 R)
• M16: 12,964,151 km (0.091 R)
• M17: 13,408,158 km (0.117 R)
• M18: 14,404,929 km (0.059 R)
• M19: 14,721,328 km (0.091 R)
• M20: 16,718,011 km (0.12 R)
• M21: 19,943,640 km (0.079 R)
• M22: 20,535,300 km (0.097 R)
• M23: 24,000,884 km (0.074 R)
• M24: 25,697,623 km (0.083 R)
• M25: 27,837,321 km (0.111 R)
• M26: 28,576,185 km (0.099 R)
• M27: 30,093,108 km (0.107 R)
• M28: 33,839,786 km (0.106 R)
• M29: 35,680,439 km (0.051 R)
• M30: 37,586,914 km (0.117 R)
• M31: 41,282,879 km (0.114 R)
• M32: 43,547,043 km (0.118 R)
• M33: 44,375,366 km (0.074 R)
• M34: 46,063,428 km (0.106 R)
• M35: 52,495,090 km (0.091 R)
• M36: 53,433,068 km (0.045 R)
• M37: 54,765,088 km (0.059 R)
• M38: 55,924,322 km (0.063 R)
• M39: 60,519,669 km (0.069 R)
• M40: 75,804,083 km (0.05 R)
• M41: 79,190,231 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.2

Radius: 4.5

Gravity: 48.85 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.63 AU - 12.09 AU

Year: 23866 Days

Day: 25 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,756,661 km

• M1: 58,343 km (0.118 R)
• M2: 459,565 km (0.1 R)
• M3: 658,380 km (0.101 R)
• M4: 1,128,267 km (0.107 R)
• M5: 1,310,926 km (0.07 R)
• M6: 1,659,340 km (0.087 R)
• M7: 2,390,125 km (0.051 R)
• M8: 2,640,851 km (0.093 R)
• M9: 2,826,652 km (0.117 R)
• M10: 4,309,466 km (0.036 R)
• M11: 4,567,672 km (0.104 R)
• M12: 5,792,130 km (0.114 R)
• M13: 7,744,383 km (0.088 R)
• M14: 9,045,286 km (0.118 R)
• M15: 9,224,953 km (0.034 R)
• M16: 9,468,348 km (0.075 R)
• M17: 9,653,850 km (0.054 R)
• M18: 10,159,939 km (0.073 R)
• M19: 10,683,532 km (0.062 R)
• M20: 21,789,977 km (0.072 R)
• M21: 22,221,717 km (0.082 R)
• M22: 23,438,546 km (0.092 R)
• M23: 29,009,869 km (0.097 R)
• M24: 29,796,006 km (0.097 R)
• M25: 31,547,648 km (0.111 R)
• M26: 35,551,036 km (0.089 R)
• M27: 39,719,880 km (0.06 R)
• M28: 40,364,049 km (0.096 R)
• M29: 49,938,911 km (0.064 R)
• M30: 51,066,879 km (0.027 R)
• M31: 55,348,220 km (0.118 R)
• M32: 56,758,928 km (0.108 R)
• M33: 58,815,749 km (0.097 R)
• M34: 62,425,247 km (0.114 R)
• M35: 68,687,563 km (0.104 R)
• M36: 71,021,739 km (0.068 R)
• M37: 73,408,274 km (0.086 R)
• M38: 73,649,874 km (0.073 R)
• M39: 73,891,923 km (0.059 R)
• M40: 82,181,740 km (0.065 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: 419 - 16,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit