🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.5 AU - 0.8 AU

Year: 344 Days

Day: 34.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.7

Radius: 8.1

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.98 AU - 1 AU

Year: 646 Days

Day: 8.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 66,607,506 km

• M1: 113,994 km (0.074 R)
• M2: 167,849 km (0.116 R)
• M3: 270,922 km (0.075 R)
• M4: 353,350 km (0.061 R)
• M5: 411,843 km (0.061 R)
• M6: 474,225 km (0.091 R)
• M7: 578,345 km (0.116 R)
• M8: 633,547 km (0.102 R)
• M9: 762,800 km (0.104 R)
• M10: 891,903 km (0.064 R)
• M11: 942,915 km (0.092 R)
• M12: 1,126,771 km (0.084 R)
• M13: 1,192,445 km (0.098 R)
• M14: 1,269,936 km (0.105 R)
• M15: 1,327,681 km (0.072 R)
• M16: 1,392,008 km (0.088 R)
• M17: 1,462,768 km (0.075 R)
• M18: 1,529,189 km (0.055 R)
• M19: 1,625,082 km (0.057 R)
• M20: 1,711,400 km (0.1 R)
• M21: 1,799,214 km (0.078 R)
• M22: 1,906,774 km (0.062 R)
• M23: 2,197,593 km (0.08 R)
• M24: 2,416,903 km (0.111 R)
• M25: 2,496,040 km (0.052 R)
• M26: 2,555,880 km (0.114 R)
• M27: 2,609,585 km (0.036 R)
• M28: 2,772,797 km (0.101 R)
• M29: 3,045,364 km (0.055 R)
• M30: 3,102,361 km (0.119 R)
• M31: 3,195,859 km (0.082 R)
• M32: 3,489,071 km (0.043 R)
• M33: 3,654,078 km (0.053 R)
• M34: 3,844,815 km (0.072 R)
• M35: 3,960,753 km (0.11 R)
• M36: 4,023,136 km (0.106 R)
• M37: 4,101,525 km (0.051 R)
• M38: 4,180,363 km (0.119 R)
• M39: 4,460,560 km (0.038 R)
• M40: 4,598,938 km (0.107 R)
• M41: 4,780,101 km (0.098 R)
• M42: 4,904,865 km (0.091 R)
• M43: 5,157,835 km (0.033 R)
• M44: 5,217,525 km (0.036 R)
• M45: 5,268,837 km (0.108 R)
• M46: 5,371,910 km (0.091 R)
• M47: 5,536,617 km (0.037 R)
• M48: 5,588,976 km (0.06 R)
• M49: 5,667,815 km (0.081 R)
• M50: 5,782,406 km (0.112 R)
• M51: 6,022,661 km (0.107 R)
• M52: 6,094,617 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 14.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.18 AU - 1.44 AU

Year: 984 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,607,506 km

• M1: 201,060 km (0.093 R)
• M2: 367,562 km (0.09 R)
• M3: 460,761 km (0.077 R)
• M4: 574,456 km (0.101 R)
• M5: 677,230 km (0.043 R)
• M6: 787,782 km (0.093 R)
• M7: 910,752 km (0.089 R)
• M8: 1,018,911 km (0.05 R)
• M9: 1,184,516 km (0.033 R)
• M10: 1,347,278 km (0.03 R)
• M11: 1,603,091 km (0.045 R)
• M12: 1,750,893 km (0.088 R)
• M13: 1,896,303 km (0.103 R)
• M14: 1,995,785 km (0.046 R)
• M15: 2,089,733 km (0.082 R)
• M16: 2,214,946 km (0.097 R)
• M17: 2,312,484 km (0.105 R)
• M18: 2,574,579 km (0.109 R)
• M19: 3,086,503 km (0.076 R)
• M20: 3,675,021 km (0.095 R)
• M21: 3,773,606 km (0.048 R)
• M22: 3,909,441 km (0.1 R)
• M23: 4,010,121 km (0.058 R)
• M24: 4,364,667 km (0.102 R)
• M25: 4,603,725 km (0.041 R)
• M26: 4,710,239 km (0.099 R)
• M27: 4,866,718 km (0.092 R)
• M28: 4,985,199 km (0.08 R)
• M29: 5,285,742 km (0.092 R)
• M30: 5,407,664 km (0.028 R)
• M31: 5,602,739 km (0.107 R)
• M32: 5,737,527 km (0.118 R)
• M33: 5,852,418 km (0.03 R)
• M34: 6,481,926 km (0.106 R)
• M35: 6,777,382 km (0.11 R)
• M36: 6,876,715 km (0.102 R)
• M37: 7,166,935 km (0.111 R)
• M38: 7,563,818 km (0.067 R)
• M39: 7,690,079 km (0.106 R)
• M40: 7,805,419 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 8.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.93 AU - 2.95 AU

Year: 3307 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 66,607,506 km

• M1: 110,702 km (0.055 R)
• M2: 168,597 km (0.115 R)
• M3: 242,349 km (0.073 R)
• M4: 298,149 km (0.093 R)
• M5: 355,445 km (0.101 R)
• M6: 457,769 km (0.11 R)
• M7: 526,734 km (0.049 R)
• M8: 593,904 km (0.096 R)
• M9: 646,412 km (0.099 R)
• M10: 769,382 km (0.046 R)
• M11: 873,502 km (0.071 R)
• M12: 1,003,652 km (0.053 R)
• M13: 1,103,733 km (0.072 R)
• M14: 1,321,996 km (0.106 R)
• M15: 1,392,607 km (0.058 R)
• M16: 1,505,104 km (0.104 R)
• M17: 1,722,021 km (0.046 R)
• M18: 1,782,309 km (0.075 R)
• M19: 2,176,799 km (0.063 R)
• M20: 2,260,873 km (0.107 R)
• M21: 2,461,334 km (0.106 R)
• M22: 2,617,963 km (0.116 R)
• M23: 2,697,549 km (0.096 R)
• M24: 2,828,746 km (0.071 R)
• M25: 3,076,181 km (0.102 R)
• M26: 3,234,605 km (0.086 R)
• M27: 3,288,012 km (0.088 R)
• M28: 3,714,515 km (0.118 R)
• M29: 3,838,083 km (0.051 R)
• M30: 3,917,370 km (0.084 R)
• M31: 3,974,367 km (0.076 R)
• M32: 4,077,589 km (0.106 R)
• M33: 4,345,669 km (0.104 R)
• M34: 4,404,760 km (0.086 R)
• M35: 4,728,190 km (0.112 R)
• M36: 5,034,716 km (0.084 R)
• M37: 5,246,697 km (0.109 R)
• M38: 5,705,513 km (0.093 R)
• M39: 5,822,200 km (0.092 R)
• M40: 5,992,292 km (0.062 R)
• M41: 6,177,195 km (0.071 R)
• M42: 6,350,729 km (0.049 R)
• M43: 6,784,413 km (0.04 R)
• M44: 6,880,604 km (0.077 R)
• M45: 7,032,745 km (0.085 R)
• M46: 7,368,443 km (0.052 R)
• M47: 7,438,904 km (0.108 R)
• M48: 7,538,237 km (0.117 R)
• M49: 7,680,654 km (0.114 R)
• M50: 7,809,757 km (0.087 R)
• M51: 8,421,313 km (0.12 R)
• M52: 8,688,046 km (0.114 R)
• M53: 9,306,334 km (0.105 R)
• M54: 9,413,296 km (0.113 R)
• M55: 9,798,661 km (0.093 R)
• M56: 9,907,418 km (0.098 R)
• M57: 10,079,306 km (0.1 R)
• M58: 10,236,384 km (0.064 R)
• M59: 10,346,787 km (0.114 R)
• M60: 10,457,639 km (0.071 R)
• M61: 10,600,804 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.3

Radius: 7.4

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.66 AU - 11.54 AU

Year: 24260 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 66,607,506 km

• M1: 202,256 km (0.109 R)
• M2: 472,729 km (0.076 R)
• M3: 664,514 km (0.034 R)
• M4: 791,522 km (0.059 R)
• M5: 858,093 km (0.101 R)
• M6: 949,946 km (0.096 R)
• M7: 1,711,400 km (0.109 R)
• M8: 2,996,445 km (0.079 R)
• M9: 3,613,686 km (0.102 R)
• M10: 4,072,802 km (0.07 R)
• M11: 4,309,167 km (0.077 R)
• M12: 4,590,710 km (0.098 R)
• M13: 4,961,413 km (0.1 R)
• M14: 5,045,188 km (0.063 R)
• M15: 6,130,820 km (0.105 R)
• M16: 6,723,078 km (0.064 R)
• M17: 6,955,703 km (0.109 R)
• M18: 7,961,599 km (0.092 R)
• M19: 8,758,058 km (0.067 R)
• M20: 9,063,387 km (0.115 R)
• M21: 9,789,086 km (0.059 R)
• M22: 10,159,042 km (0.087 R)
• M23: 10,212,299 km (0.092 R)
• M24: 10,533,485 km (0.055 R)
• M25: 10,858,113 km (0.095 R)
• M26: 11,076,376 km (0.12 R)
• M27: 11,240,934 km (0.112 R)
• M28: 11,683,893 km (0.062 R)
• M29: 12,132,687 km (0.032 R)
• M30: 12,302,330 km (0.026 R)
• M31: 12,415,875 km (0.057 R)
• M32: 12,529,869 km (0.111 R)
• M33: 12,989,134 km (0.11 R)
• M34: 13,983,063 km (0.077 R)
• M35: 14,101,694 km (0.077 R)
• M36: 14,339,853 km (0.117 R)
• M37: 15,062,112 km (0.095 R)
• M38: 15,305,508 km (0.087 R)
• M39: 15,919,757 km (0.076 R)
• M40: 16,604,765 km (0.117 R)
• M41: 16,856,239 km (0.104 R)
• M42: 18,391,263 km (0.042 R)
• M43: 19,109,632 km (0.107 R)
• M44: 19,704,284 km (0.04 R)
• M45: 20,506,577 km (0.045 R)
• M46: 20,708,833 km (0.07 R)
• M47: 21,387,708 km (0.028 R)
• M48: 21,455,925 km (0.12 R)
• M49: 22,419,634 km (0.041 R)
• M50: 26,927,617 km (0.108 R)
• M51: 27,297,123 km (0.109 R)
• M52: 29,093,794 km (0.04 R)
• M53: 30,543,098 km (0.105 R)
• M54: 31,470,455 km (0.099 R)
• M55: 32,093,830 km (0.068 R)
• M56: 32,407,088 km (0.049 R)
• M57: 35,271,438 km (0.069 R)
• M58: 35,837,816 km (0.097 R)
• M59: 36,979,397 km (0.115 R)
• M60: 38,797,460 km (0.052 R)
• M61: 40,137,857 km (0.106 R)
• M62: 41,237,999 km (0.095 R)
• M63: 42,777,661 km (0.079 R)
• M64: 43,295,120 km (0.095 R)
• M65: 43,381,587 km (0.075 R)
• M66: 43,901,290 km (0.1 R)
• M67: 44,510,453 km (0.083 R)
• M68: 45,034,644 km (0.087 R)
• M69: 47,330,074 km (0.065 R)
• M70: 49,753,858 km (0.116 R)
• M71: 49,844,365 km (0.096 R)
• M72: 51,941,877 km (0.111 R)
• M73: 52,678,197 km (0.101 R)
• M74: 52,862,801 km (0.118 R)
• M75: 54,720,956 km (0.089 R)
• M76: 55,001,452 km (0.105 R)
• M77: 55,188,749 km (0.115 R)
• M78: 55,470,142 km (0.081 R)
• M79: 57,452,763 km (0.116 R)
• M80: 57,547,758 km (0.035 R)
• M81: 57,642,902 km (0.115 R)
• M82: 57,833,041 km (0.104 R)
• M83: 60,518,472 km (0.058 R)
• M84: 60,711,902 km (0.105 R)
• M85: 61,002,272 km (0.111 R)
• M86: 61,584,507 km (0.061 R)
• M87: 61,778,984 km (0.077 R)
• M88: 61,876,372 km (0.026 R)
• M89: 62,363,762 km (0.108 R)
• M90: 62,461,300 km (0.108 R)
• M91: 64,918,594 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 14,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit