🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.9

Radius: 13.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.64 AU - 0.78 AU

Year: 413 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,341,788 km

• M1: 167,699 km (0.099 R)
• M2: 1,130,960 km (0.062 R)
• M3: 1,569,880 km (0.11 R)
• M4: 2,057,420 km (0.106 R)
• M5: 2,480,632 km (0.081 R)
• M6: 2,952,912 km (0.077 R)
• M7: 3,729,924 km (0.098 R)
• M8: 4,329,362 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 14

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.67 AU - 0.93 AU

Year: 494 Days

Day: 14.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,341,788 km

• M1: 174,132 km (0.102 R)
• M2: 866,172 km (0.103 R)
• M3: 1,389,615 km (0.104 R)
• M4: 2,274,636 km (0.053 R)
• M5: 2,752,152 km (0.093 R)
• M6: 3,231,763 km (0.097 R)
• M7: 4,296,451 km (0.109 R)
• M8: 4,803,139 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999

Radius: 9.2

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.79 AU - 1.01 AU

Year: 589 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,341,788 km

• M1: 114,442 km (0.077 R)
• M2: 512,373 km (0.049 R)
• M3: 859,141 km (0.108 R)
• M4: 1,191,248 km (0.036 R)
• M5: 1,509,742 km (0.091 R)
• M6: 1,993,392 km (0.107 R)
• M7: 2,501,576 km (0.043 R)
• M8: 3,649,739 km (0.046 R)
• M9: 4,086,415 km (0.115 R)
• M10: 5,012,277 km (0.062 R)
• M11: 5,441,473 km (0.054 R)
• M12: 5,953,696 km (0.103 R)
• M13: 6,456,195 km (0.074 R)
• M14: 7,096,325 km (0.114 R)
• M15: 7,546,165 km (0.111 R)
• M16: 7,872,289 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 9.6

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.3 AU - 1.44 AU

Year: 1107 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,341,788 km

• M1: 119,529 km (0.117 R)
• M2: 420,520 km (0.09 R)
• M3: 845,826 km (0.099 R)
• M4: 1,259,315 km (0.086 R)
• M5: 1,578,856 km (0.103 R)
• M6: 2,714,304 km (0.101 R)
• M7: 3,358,023 km (0.088 R)
• M8: 4,592,355 km (0.059 R)
• M9: 5,302,497 km (0.056 R)
• M10: 6,150,567 km (0.053 R)
• M11: 6,748,659 km (0.093 R)
• M12: 7,588,801 km (0.105 R)
• M13: 8,777,356 km (0.075 R)
• M14: 9,180,522 km (0.094 R)
• M15: 9,777,717 km (0.086 R)
• M16: 11,116,169 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.9

Radius: 9.4

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.64 AU - 1.94 AU

Year: 1653 Days

Day: 5.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,341,788 km

• M1: 116,986 km (0.052 R)
• M2: 531,521 km (0.096 R)
• M3: 928,404 km (0.044 R)
• M4: 1,484,310 km (0.096 R)
• M5: 2,071,183 km (0.083 R)
• M6: 2,399,550 km (0.092 R)
• M7: 3,086,054 km (0.107 R)
• M8: 3,773,756 km (0.076 R)
• M9: 5,543,050 km (0.103 R)
• M10: 6,011,890 km (0.094 R)
• M11: 7,355,578 km (0.043 R)
• M12: 8,127,503 km (0.08 R)
• M13: 9,499,764 km (0.078 R)
• M14: 12,107,554 km (0.071 R)
• M15: 12,458,959 km (0.097 R)
• M16: 13,059,894 km (0.086 R)
• M17: 13,680,127 km (0.077 R)
• M18: 14,934,655 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.5

Radius: 9.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.38 AU - 5.34 AU

Year: 6284 Days

Day: 12.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,341,788 km

• M1: 121,174 km (0.087 R)
• M2: 436,676 km (0.025 R)
• M3: 951,592 km (0.025 R)
• M4: 1,408,763 km (0.031 R)
• M5: 1,844,392 km (0.117 R)
• M6: 2,807,054 km (0.095 R)
• M7: 6,289,394 km (0.111 R)
• M8: 7,133,874 km (0.081 R)
• M9: 7,797,490 km (0.044 R)
• M10: 8,274,857 km (0.055 R)
• M11: 9,867,027 km (0.094 R)
• M12: 10,338,559 km (0.095 R)
• M13: 10,960,438 km (0.117 R)
• M14: 12,327,613 km (0.09 R)
• M15: 13,077,846 km (0.104 R)
• M16: 14,395,504 km (0.068 R)
• M17: 15,002,422 km (0.104 R)
• M18: 15,454,507 km (0.109 R)
• M19: 15,799,480 km (0.084 R)
• M20: 16,684,501 km (0.066 R)
• M21: 17,108,760 km (0.119 R)
• M22: 18,168,811 km (0.089 R)
• M23: 19,272,245 km (0.112 R)
• M24: 20,419,661 km (0.116 R)
• M25: 22,334,812 km (0.09 R)
• M26: 27,097,111 km (0.085 R)
• M27: 28,795,047 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.9

Radius: 8

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.26 AU - 6.36 AU

Year: 9667 Days

Day: 23.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,341,788 km

• M1: 104,868 km (0.105 R)
• M2: 410,048 km (0.061 R)
• M3: 666,459 km (0.036 R)
• M4: 1,066,483 km (0.119 R)
• M5: 3,807,715 km (0.119 R)
• M6: 4,905,314 km (0.056 R)
• M7: 6,023,109 km (0.097 R)
• M8: 7,793,750 km (0.073 R)
• M9: 8,307,469 km (0.085 R)
• M10: 9,690,651 km (0.085 R)
• M11: 10,746,213 km (0.111 R)
• M12: 11,600,417 km (0.119 R)
• M13: 12,156,772 km (0.069 R)
• M14: 13,871,163 km (0.115 R)
• M15: 17,338,543 km (0.106 R)
• M16: 31,124,136 km (0.082 R)
• M17: 39,658,994 km (0.05 R)
• M18: 43,921,636 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404

Radius: 3.4

Gravity: 34.95 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.86 AU - 7.92 AU

Year: 13867 Days

Day: 18 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,341,788 km

• M1: 95,294 km (0.091 R)
• M2: 358,436 km (0.059 R)
• M3: 860,786 km (0.11 R)
• M4: 1,709,754 km (0.06 R)
• M5: 1,820,905 km (0.095 R)
• M6: 2,005,210 km (0.109 R)
• M7: 2,129,077 km (0.097 R)
• M8: 3,903,308 km (0.087 R)
• M9: 5,635,053 km (0.077 R)
• M10: 6,943,884 km (0.054 R)
• M11: 7,393,875 km (0.116 R)
• M12: 8,038,492 km (0.113 R)
• M13: 8,813,259 km (0.091 R)
• M14: 9,002,501 km (0.11 R)
• M15: 9,194,435 km (0.094 R)
• M16: 10,992,751 km (0.039 R)
• M17: 11,212,211 km (0.095 R)
• M18: 11,830,499 km (0.095 R)
• M19: 13,506,444 km (0.066 R)
• M20: 13,694,937 km (0.095 R)
• M21: 16,307,065 km (0.045 R)
• M22: 21,966,353 km (0.113 R)
• M23: 25,137,080 km (0.111 R)
• M24: 48,649,676 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.2

Radius: 3.5

Gravity: 48.75 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.53 AU - 10.69 AU

Year: 17439 Days

Day: 17.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,341,788 km

• M1: 43,533 km (0.055 R)
• M2: 221,554 km (0.076 R)
• M3: 411,095 km (0.089 R)
• M4: 535,112 km (0.074 R)
• M5: 684,261 km (0.059 R)
• M6: 839,693 km (0.08 R)
• M7: 1,018,462 km (0.104 R)
• M8: 1,452,595 km (0.079 R)
• M9: 1,660,536 km (0.109 R)
• M10: 2,558,423 km (0.102 R)
• M11: 3,320,774 km (0.088 R)
• M12: 5,097,099 km (0.114 R)
• M13: 5,314,764 km (0.096 R)
• M14: 5,425,765 km (0.08 R)
• M15: 5,729,598 km (0.032 R)
• M16: 6,709,465 km (0.106 R)
• M17: 7,284,369 km (0.03 R)
• M18: 7,748,272 km (0.105 R)
• M19: 12,779,398 km (0.111 R)
• M20: 16,779,645 km (0.053 R)
• M21: 17,099,336 km (0.104 R)
• M22: 20,889,847 km (0.096 R)
• M23: 21,446,500 km (0.096 R)
• M24: 21,728,492 km (0.099 R)
• M25: 23,274,586 km (0.079 R)
• M26: 29,377,282 km (0.056 R)
• M27: 33,355,688 km (0.12 R)
• M28: 34,115,645 km (0.088 R)
• M29: 36,464,631 km (0.08 R)
• M30: 37,270,963 km (0.098 R)
• M31: 40,758,987 km (0.117 R)
• M32: 41,627,253 km (0.085 R)
• M33: 44,154,260 km (0.114 R)
• M34: 47,573,918 km (0.099 R)
• M35: 48,536,281 km (0.085 R)
• M36: 50,998,662 km (0.12 R)
• M37: 51,669,160 km (0.109 R)
• M38: 62,634,085 km (0.108 R)
• M39: 63,017,804 km (0.074 R)
• M40: 66,341,719 km (0.072 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 10,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit