🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.9

Radius: 13.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.84 AU - 0.86 AU

Year: 523 Days

Day: 14.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,571,600 km

• M1: 165,605 km (0.098 R)
• M2: 587,172 km (0.071 R)
• M3: 1,136,046 km (0.084 R)
• M4: 1,628,672 km (0.08 R)
• M5: 2,197,443 km (0.099 R)
• M6: 2,690,069 km (0.079 R)
• M7: 3,158,460 km (0.119 R)
• M8: 3,657,668 km (0.093 R)
• M9: 4,144,011 km (0.058 R)
• M10: 4,617,039 km (0.067 R)
• M11: 5,278,710 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.1

Radius: 11.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.84 AU - 0.94 AU

Year: 560 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,571,600 km

• M1: 145,559 km (0.104 R)
• M2: 674,836 km (0.101 R)
• M3: 1,117,047 km (0.108 R)
• M4: 2,080,906 km (0.075 R)
• M5: 2,656,110 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.1

Radius: 9.2

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.82 AU - 1.02 AU

Year: 588 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,571,600 km

• M1: 114,442 km (0.099 R)
• M2: 404,513 km (0.104 R)
• M3: 831,016 km (0.117 R)
• M4: 1,274,424 km (0.073 R)
• M5: 1,684,921 km (0.119 R)
• M6: 2,035,728 km (0.112 R)
• M7: 2,335,672 km (0.107 R)
• M8: 2,697,698 km (0.1 R)
• M9: 3,230,716 km (0.109 R)
• M10: 3,668,589 km (0.059 R)
• M11: 4,029,718 km (0.117 R)
• M12: 4,475,819 km (0.112 R)
• M13: 4,938,226 km (0.115 R)
• M14: 5,718,678 km (0.065 R)
• M15: 6,224,917 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 9.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.8 AU - 3.38 AU

Year: 3622 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,571,600 km

• M1: 115,639 km (0.106 R)
• M2: 406,457 km (0.086 R)
• M3: 702,960 km (0.077 R)
• M4: 1,059,303 km (0.091 R)
• M5: 1,349,822 km (0.101 R)
• M6: 1,913,806 km (0.084 R)
• M7: 3,337,977 km (0.115 R)
• M8: 3,955,517 km (0.064 R)
• M9: 5,339,597 km (0.1 R)
• M10: 5,683,672 km (0.092 R)
• M11: 7,831,748 km (0.113 R)
• M12: 9,217,622 km (0.076 R)
• M13: 12,421,859 km (0.036 R)
• M14: 15,703,737 km (0.092 R)
• M15: 16,028,065 km (0.063 R)
• M16: 16,523,085 km (0.103 R)
• M17: 16,971,579 km (0.112 R)
• M18: 18,425,521 km (0.108 R)
• M19: 20,087,254 km (0.07 R)
• M20: 20,469,626 km (0.103 R)
• M21: 21,183,358 km (0.116 R)
• M22: 21,779,505 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985

Radius: 6.3

Gravity: 24.82 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.41 AU - 6.27 AU

Year: 9411 Days

Day: 15.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,571,600 km

• M1: 78,688 km (0.115 R)
• M2: 283,039 km (0.085 R)
• M3: 518,805 km (0.1 R)
• M4: 786,586 km (0.027 R)
• M5: 1,279,361 km (0.074 R)
• M6: 2,749,010 km (0.094 R)
• M7: 3,653,928 km (0.075 R)
• M8: 4,437,671 km (0.099 R)
• M9: 4,869,111 km (0.079 R)
• M10: 5,294,568 km (0.099 R)
• M11: 6,219,382 km (0.088 R)
• M12: 6,759,729 km (0.077 R)
• M13: 10,787,502 km (0.12 R)
• M14: 11,228,367 km (0.11 R)
• M15: 13,999,369 km (0.091 R)
• M16: 15,061,214 km (0.048 R)
• M17: 16,175,868 km (0.086 R)
• M18: 17,872,906 km (0.051 R)
• M19: 19,442,188 km (0.041 R)
• M20: 20,677,717 km (0.117 R)
• M21: 21,529,976 km (0.098 R)
• M22: 23,213,550 km (0.06 R)
• M23: 28,892,585 km (0.098 R)
• M24: 35,916,803 km (0.068 R)
• M25: 38,277,757 km (0.083 R)
• M26: 40,475,948 km (0.062 R)
• M27: 41,538,990 km (0.043 R)
• M28: 43,859,553 km (0.112 R)
• M29: 45,548,662 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.8

Radius: 4.1

Gravity: 28.01 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.41 AU - 8.01 AU

Year: 11591 Days

Day: 15.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,571,600 km

• M1: 80,633 km (0.084 R)
• M2: 245,640 km (0.047 R)
• M3: 429,645 km (0.101 R)
• M4: 663,766 km (0.118 R)
• M5: 1,322,445 km (0.088 R)
• M6: 2,119,353 km (0.114 R)
• M7: 3,505,377 km (0.107 R)
• M8: 3,809,959 km (0.061 R)
• M9: 3,942,053 km (0.115 R)
• M10: 4,442,907 km (0.097 R)
• M11: 5,536,318 km (0.118 R)
• M12: 5,740,369 km (0.077 R)
• M13: 7,765,925 km (0.028 R)
• M14: 10,478,583 km (0.102 R)
• M15: 13,948,805 km (0.09 R)
• M16: 14,776,081 km (0.058 R)
• M17: 16,319,033 km (0.111 R)
• M18: 20,599,028 km (0.094 R)
• M19: 25,013,213 km (0.095 R)
• M20: 25,477,265 km (0.105 R)
• M21: 27,587,044 km (0.059 R)
• M22: 31,285,851 km (0.106 R)
• M23: 37,553,853 km (0.102 R)
• M24: 45,154,023 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.7

Radius: 7.2

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.38 AU - 7.16 AU

Year: 11747 Days

Day: 15.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,571,600 km

• M1: 89,609 km (0.115 R)
• M2: 618,138 km (0.067 R)
• M3: 998,715 km (0.094 R)
• M4: 1,333,815 km (0.082 R)
• M5: 2,029,594 km (0.092 R)
• M6: 2,699,793 km (0.092 R)
• M7: 3,038,931 km (0.119 R)
• M8: 3,431,626 km (0.089 R)
• M9: 4,439,616 km (0.109 R)
• M10: 5,454,937 km (0.08 R)
• M11: 5,886,975 km (0.063 R)
• M12: 6,225,665 km (0.062 R)
• M13: 8,826,274 km (0.06 R)
• M14: 9,320,695 km (0.089 R)
• M15: 13,249,135 km (0.041 R)
• M16: 14,839,810 km (0.079 R)
• M17: 19,284,213 km (0.028 R)
• M18: 26,521,010 km (0.103 R)
• M19: 30,236,273 km (0.115 R)
• M20: 31,929,422 km (0.089 R)
• M21: 35,257,525 km (0.087 R)
• M22: 39,733,942 km (0.109 R)
• M23: 42,315,702 km (0.077 R)
• M24: 43,294,372 km (0.066 R)
• M25: 44,574,780 km (0.061 R)
• M26: 46,321,036 km (0.044 R)
• M27: 49,794,549 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.3

Radius: 3

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.46 AU - 10.48 AU

Year: 17915 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,571,600 km

• M1: 37,399 km (0.095 R)
• M2: 167,550 km (0.073 R)
• M3: 1,669,961 km (0.09 R)
• M4: 2,466,719 km (0.094 R)
• M5: 4,204,747 km (0.08 R)
• M6: 4,678,973 km (0.054 R)
• M7: 8,176,720 km (0.105 R)
• M8: 9,210,292 km (0.098 R)
• M9: 13,988,149 km (0.111 R)
• M10: 15,458,696 km (0.117 R)
• M11: 16,835,146 km (0.106 R)
• M12: 22,921,087 km (0.073 R)
• M13: 27,285,156 km (0.11 R)
• M14: 30,899,291 km (0.076 R)
• M15: 33,274,755 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.1

Radius: 7.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.5 AU - 9.6 AU

Year: 18155 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,571,600 km

• M1: 199,564 km (0.09 R)
• M2: 548,725 km (0.067 R)
• M3: 793,467 km (0.105 R)
• M4: 2,018,075 km (0.11 R)
• M5: 2,354,970 km (0.069 R)
• M6: 2,640,851 km (0.07 R)
• M7: 3,045,065 km (0.101 R)
• M8: 3,343,812 km (0.031 R)
• M9: 4,560,192 km (0.053 R)
• M10: 7,687,535 km (0.11 R)
• M11: 8,319,886 km (0.088 R)
• M12: 13,541,150 km (0.076 R)
• M13: 17,730,340 km (0.114 R)
• M14: 17,985,554 km (0.099 R)
• M15: 19,299,023 km (0.102 R)
• M16: 20,117,024 km (0.038 R)
• M17: 26,336,855 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754

Radius: 4.6

Gravity: 35.63 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.66 AU - 11.14 AU

Year: 20772 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,571,600 km

• M1: 222,153 km (0.113 R)
• M2: 663,467 km (0.111 R)
• M3: 1,423,873 km (0.096 R)
• M4: 1,980,526 km (0.112 R)
• M5: 2,187,869 km (0.071 R)
• M6: 2,573,682 km (0.065 R)
• M7: 2,745,271 km (0.116 R)
• M8: 3,084,110 km (0.093 R)
• M9: 3,568,807 km (0.119 R)
• M10: 4,303,033 km (0.082 R)
• M11: 5,019,308 km (0.119 R)
• M12: 5,525,547 km (0.1 R)
• M13: 6,458,738 km (0.099 R)
• M14: 7,009,707 km (0.098 R)
• M15: 7,200,146 km (0.064 R)
• M16: 8,577,493 km (0.112 R)
• M17: 9,356,748 km (0.097 R)
• M18: 9,881,837 km (0.048 R)
• M19: 10,863,648 km (0.088 R)
• M20: 13,307,179 km (0.116 R)
• M21: 16,677,470 km (0.059 R)
• M22: 23,415,807 km (0.034 R)
• M23: 25,597,542 km (0.119 R)
• M24: 28,752,561 km (0.069 R)
• M25: 30,486,251 km (0.053 R)
• M26: 30,866,678 km (0.116 R)
• M27: 31,507,556 km (0.116 R)
• M28: 31,896,360 km (0.11 R)
• M29: 32,419,803 km (0.106 R)
• M30: 34,160,225 km (0.087 R)
• M31: 36,386,690 km (0.064 R)
• M32: 39,153,952 km (0.096 R)
• M33: 59,933,993 km (0.094 R)
• M34: 62,752,866 km (0.113 R)
• M35: 63,574,158 km (0.11 R)
• M36: 72,185,311 km (0.105 R)
• M37: 73,313,428 km (0.044 R)
• M38: 77,472,249 km (0.104 R)
• M39: 78,892,531 km (0.073 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 20,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit