🌌 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: 706.1

Radius: 9.9

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.66 AU - 1.04 AU

Year: 506 Days

Day: 13.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,963,488 km

• M1: 124,615 km (0.037 R)
• M2: 684,410 km (0.087 R)
• M3: 1,283,251 km (0.089 R)
• M4: 1,795,474 km (0.097 R)
• M5: 2,704,430 km (0.104 R)
• M6: 3,773,457 km (0.108 R)
• M7: 4,101,375 km (0.115 R)
• M8: 5,005,844 km (0.111 R)
• M9: 5,539,908 km (0.101 R)
• M10: 6,604,596 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.1

Radius: 8.1

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.53 AU - 1.81 AU

Year: 1393 Days

Day: 12.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 51.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,963,488 km

• M1: 100,829 km (0.036 R)
• M2: 391,946 km (0.095 R)
• M3: 645,814 km (0.079 R)
• M4: 1,306,289 km (0.071 R)
• M5: 1,661,584 km (0.106 R)
• M6: 2,058,616 km (0.098 R)
• M7: 2,321,609 km (0.086 R)
• M8: 2,711,910 km (0.092 R)
• M9: 3,175,065 km (0.085 R)
• M10: 3,941,754 km (0.046 R)
• M11: 4,885,866 km (0.032 R)
• M12: 5,528,988 km (0.081 R)
• M13: 5,815,019 km (0.107 R)
• M14: 6,488,957 km (0.083 R)
• M15: 7,034,092 km (0.119 R)
• M16: 7,317,879 km (0.112 R)
• M17: 7,991,668 km (0.103 R)
• M18: 9,093,905 km (0.066 R)
• M19: 10,459,734 km (0.048 R)
• M20: 12,030,362 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 13.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.67 AU - 1.75 AU

Year: 1444 Days

Day: 5.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,963,488 km

• M1: 170,392 km (0.118 R)
• M2: 755,768 km (0.089 R)
• M3: 1,254,827 km (0.109 R)
• M4: 1,719,179 km (0.064 R)
• M5: 2,151,517 km (0.057 R)
• M6: 2,857,619 km (0.092 R)
• M7: 3,457,656 km (0.104 R)
• M8: 4,140,869 km (0.071 R)
• M9: 4,639,030 km (0.103 R)
• M10: 5,472,440 km (0.095 R)
• M11: 6,919,799 km (0.064 R)
• M12: 7,544,071 km (0.099 R)
• M13: 8,177,319 km (0.107 R)
• M14: 8,756,562 km (0.092 R)
• M15: 9,425,414 km (0.108 R)
• M16: 9,900,686 km (0.107 R)
• M17: 10,728,710 km (0.087 R)
• M18: 13,137,087 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 12.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.45 AU - 2.67 AU

Year: 2645 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,963,488 km

• M1: 160,369 km (0.067 R)
• M2: 689,048 km (0.089 R)
• M3: 1,110,016 km (0.112 R)
• M4: 1,690,606 km (0.076 R)
• M5: 2,190,113 km (0.066 R)
• M6: 3,271,257 km (0.055 R)
• M7: 3,810,407 km (0.051 R)
• M8: 4,351,652 km (0.111 R)
• M9: 5,863,339 km (0.06 R)
• M10: 6,437,944 km (0.06 R)
• M11: 7,644,900 km (0.069 R)
• M12: 8,156,226 km (0.109 R)
• M13: 9,311,420 km (0.058 R)
• M14: 10,434,751 km (0.041 R)
• M15: 10,887,434 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 14.7

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.58 AU - 3.1 AU

Year: 3090 Days

Day: 11.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,963,488 km

• M1: 182,809 km (0.115 R)
• M2: 669,002 km (0.11 R)
• M3: 1,134,550 km (0.065 R)
• M4: 1,794,726 km (0.085 R)
• M5: 2,376,362 km (0.073 R)
• M6: 2,849,241 km (0.069 R)
• M7: 3,708,382 km (0.109 R)
• M8: 4,264,138 km (0.105 R)
• M9: 5,807,988 km (0.074 R)
• M10: 8,162,509 km (0.116 R)
• M11: 9,255,620 km (0.045 R)
• M12: 9,895,450 km (0.081 R)
• M13: 10,524,360 km (0.057 R)
• M14: 12,258,798 km (0.116 R)
• M15: 12,984,946 km (0.111 R)
• M16: 15,388,684 km (0.097 R)
• M17: 15,860,665 km (0.095 R)
• M18: 16,504,834 km (0.106 R)
• M19: 21,514,867 km (0.105 R)
• M20: 21,973,384 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 11

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.65 AU - 4.19 AU

Year: 4084 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,963,488 km

• M1: 136,882 km (0.109 R)
• M2: 773,870 km (0.094 R)
• M3: 1,152,951 km (0.114 R)
• M4: 1,858,604 km (0.105 R)
• M5: 4,028,371 km (0.088 R)
• M6: 4,374,242 km (0.047 R)
• M7: 6,444,377 km (0.086 R)
• M8: 7,763,681 km (0.112 R)
• M9: 8,156,375 km (0.057 R)
• M10: 9,902,631 km (0.074 R)
• M11: 11,515,146 km (0.098 R)
• M12: 13,245,545 km (0.108 R)
• M13: 15,700,895 km (0.056 R)
• M14: 17,884,725 km (0.109 R)
• M15: 19,997,047 km (0.107 R)
• M16: 20,600,973 km (0.11 R)
• M17: 23,138,602 km (0.077 R)
• M18: 25,485,044 km (0.114 R)
• M19: 25,956,727 km (0.07 R)
• M20: 26,836,960 km (0.071 R)
• M21: 27,325,397 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.3

Radius: 8.7

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.15 AU - 5.41 AU

Year: 6748 Days

Day: 12 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,963,488 km

• M1: 108,159 km (0.073 R)
• M2: 436,826 km (0.068 R)
• M3: 714,928 km (0.091 R)
• M4: 1,258,866 km (0.062 R)
• M5: 1,530,237 km (0.106 R)
• M6: 2,541,219 km (0.082 R)
• M7: 3,407,839 km (0.112 R)
• M8: 4,087,014 km (0.08 R)
• M9: 4,990,136 km (0.09 R)
• M10: 5,533,027 km (0.095 R)
• M11: 6,536,081 km (0.082 R)
• M12: 7,364,554 km (0.03 R)
• M13: 7,804,222 km (0.098 R)
• M14: 8,615,790 km (0.109 R)
• M15: 11,778,439 km (0.091 R)
• M16: 13,428,503 km (0.087 R)
• M17: 14,994,045 km (0.093 R)
• M18: 15,403,794 km (0.118 R)
• M19: 20,488,027 km (0.073 R)
• M20: 21,065,475 km (0.102 R)
• M21: 22,480,371 km (0.118 R)
• M22: 23,017,278 km (0.111 R)
• M23: 26,675,245 km (0.058 R)
• M24: 29,136,878 km (0.072 R)
• M25: 30,422,821 km (0.106 R)
• M26: 30,703,168 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 11.3

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.03 AU - 5.53 AU

Year: 6748 Days

Day: 5.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,963,488 km

• M1: 140,622 km (0.094 R)
• M2: 622,477 km (0.059 R)
• M3: 1,257,968 km (0.066 R)
• M4: 1,980,975 km (0.106 R)
• M5: 2,377,409 km (0.048 R)
• M6: 3,022,775 km (0.113 R)
• M7: 3,828,658 km (0.097 R)
• M8: 4,244,391 km (0.07 R)
• M9: 5,167,410 km (0.111 R)
• M10: 7,709,227 km (0.101 R)
• M11: 8,743,696 km (0.115 R)
• M12: 9,337,749 km (0.042 R)
• M13: 10,140,940 km (0.078 R)
• M14: 10,654,061 km (0.086 R)
• M15: 12,882,172 km (0.088 R)
• M16: 13,318,250 km (0.093 R)
• M17: 14,162,730 km (0.09 R)
• M18: 24,337,928 km (0.057 R)
• M19: 28,527,416 km (0.068 R)
• M20: 29,176,073 km (0.094 R)
• M21: 32,769,264 km (0.095 R)
• M22: 35,357,606 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780

Radius: 4.5

Gravity: 38.52 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.54 AU - 8.34 AU

Year: 14446 Days

Day: 21.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 63,963,488 km

• M1: 78,838 km (0.072 R)
• M2: 220,358 km (0.066 R)
• M3: 631,004 km (0.088 R)
• M4: 1,647,073 km (0.054 R)
• M5: 2,270,148 km (0.103 R)
• M6: 2,915,064 km (0.095 R)
• M7: 3,453,168 km (0.073 R)
• M8: 3,905,552 km (0.103 R)
• M9: 4,557,948 km (0.077 R)
• M10: 5,031,425 km (0.066 R)
• M11: 5,612,015 km (0.106 R)
• M12: 5,996,780 km (0.097 R)
• M13: 8,092,497 km (0.092 R)
• M14: 8,785,135 km (0.082 R)
• M15: 9,250,833 km (0.117 R)
• M16: 11,399,807 km (0.051 R)
• M17: 11,582,466 km (0.078 R)
• M18: 12,332,549 km (0.109 R)
• M19: 13,315,108 km (0.069 R)
• M20: 13,859,944 km (0.053 R)
• M21: 14,348,829 km (0.07 R)
• M22: 19,363,200 km (0.088 R)
• M23: 20,507,175 km (0.087 R)
• M24: 21,325,176 km (0.113 R)
• M25: 24,510,564 km (0.112 R)
• M26: 26,163,321 km (0.119 R)
• M27: 28,779,489 km (0.095 R)
• M28: 29,574,153 km (0.116 R)
• M29: 35,035,373 km (0.111 R)
• M30: 36,597,473 km (0.088 R)
• M31: 37,934,280 km (0.04 R)
• M32: 38,614,651 km (0.049 R)
• M33: 39,026,793 km (0.053 R)
• M34: 39,303,101 km (0.117 R)
• M35: 41,417,816 km (0.041 R)
• M36: 43,607,181 km (0.102 R)
• M37: 45,413,126 km (0.12 R)
• M38: 48,373,818 km (0.113 R)
• M39: 53,136,565 km (0.108 R)
• M40: 53,476,003 km (0.046 R)
• M41: 57,306,905 km (0.12 R)
• M42: 58,563,228 km (0.092 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: 372 - 14,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit