🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.55 AU - 0.73 AU

Year: 336 Days

Day: 40.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.6 AU - 0.68 AU

Year: 336 Days

Day: 30.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.4

Radius: 13.1

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.61 AU - 0.75 AU

Year: 368 Days

Day: 9.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 26,600,236 km

• M1: 165,156 km (0.11 R)
• M2: 265,237 km (0.029 R)
• M3: 347,815 km (0.061 R)
• M4: 440,416 km (0.11 R)
• M5: 571,763 km (0.104 R)
• M6: 688,898 km (0.064 R)
• M7: 812,466 km (0.058 R)
• M8: 1,023,698 km (0.097 R)
• M9: 1,149,360 km (0.096 R)
• M10: 1,242,710 km (0.077 R)
• M11: 1,354,160 km (0.103 R)
• M12: 1,509,891 km (0.106 R)
• M13: 1,596,359 km (0.098 R)
• M14: 1,680,283 km (0.115 R)
• M15: 1,796,222 km (0.09 R)
• M16: 1,946,119 km (0.099 R)
• M17: 2,221,080 km (0.048 R)
• M18: 2,349,135 km (0.094 R)
• M19: 2,435,753 km (0.039 R)
• M20: 2,523,716 km (0.103 R)
• M21: 2,637,560 km (0.034 R)
• M22: 2,763,222 km (0.085 R)
• M23: 2,906,537 km (0.117 R)
• M24: 3,005,272 km (0.098 R)
• M25: 3,195,411 km (0.06 R)
• M26: 3,297,436 km (0.065 R)
• M27: 3,460,797 km (0.113 R)
• M28: 3,604,561 km (0.094 R)
• M29: 3,694,020 km (0.09 R)
• M30: 3,778,693 km (0.113 R)
• M31: 3,875,333 km (0.099 R)
• M32: 3,961,352 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.9

Radius: 12.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.67 AU - 0.75 AU

Year: 392 Days

Day: 9.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 26,600,236 km

• M1: 165,006 km (0.079 R)
• M2: 241,301 km (0.042 R)
• M3: 328,816 km (0.075 R)
• M4: 447,597 km (0.079 R)
• M5: 536,608 km (0.08 R)
• M6: 614,249 km (0.094 R)
• M7: 690,843 km (0.112 R)
• M8: 780,003 km (0.084 R)
• M9: 858,243 km (0.061 R)
• M10: 949,198 km (0.113 R)
• M11: 1,036,863 km (0.051 R)
• M12: 1,141,432 km (0.083 R)
• M13: 1,235,529 km (0.057 R)
• M14: 1,332,468 km (0.116 R)
• M15: 1,503,758 km (0.049 R)
• M16: 1,596,209 km (0.117 R)
• M17: 1,730,698 km (0.083 R)
• M18: 1,836,015 km (0.084 R)
• M19: 1,922,781 km (0.108 R)
• M20: 2,019,571 km (0.116 R)
• M21: 2,100,653 km (0.063 R)
• M22: 2,200,435 km (0.073 R)
• M23: 2,315,177 km (0.101 R)
• M24: 2,445,626 km (0.05 R)
• M25: 2,541,668 km (0.087 R)
• M26: 2,789,851 km (0.12 R)
• M27: 2,958,148 km (0.087 R)
• M28: 3,124,950 km (0.102 R)
• M29: 3,239,542 km (0.105 R)
• M30: 3,628,347 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 11.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.93 AU - 1.03 AU

Year: 636 Days

Day: 9.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 26,600,236 km

• M1: 146,307 km (0.101 R)
• M2: 266,883 km (0.103 R)
• M3: 350,807 km (0.115 R)
• M4: 436,227 km (0.111 R)
• M5: 511,326 km (0.09 R)
• M6: 609,312 km (0.098 R)
• M7: 711,188 km (0.098 R)
• M8: 803,640 km (0.072 R)
• M9: 908,957 km (0.118 R)
• M10: 1,080,695 km (0.065 R)
• M11: 1,175,540 km (0.119 R)
• M12: 1,335,161 km (0.047 R)
• M13: 1,517,521 km (0.082 R)
• M14: 1,671,607 km (0.098 R)
• M15: 1,825,692 km (0.053 R)
• M16: 1,912,758 km (0.116 R)
• M17: 1,995,785 km (0.103 R)
• M18: 2,085,694 km (0.106 R)
• M19: 2,199,986 km (0.102 R)
• M20: 2,399,251 km (0.113 R)
• M21: 2,623,049 km (0.114 R)
• M22: 2,734,350 km (0.072 R)
• M23: 2,815,881 km (0.102 R)
• M24: 2,936,457 km (0.07 R)
• M25: 3,065,260 km (0.119 R)
• M26: 3,149,933 km (0.089 R)
• M27: 3,261,982 km (0.104 R)
• M28: 3,348,599 km (0.085 R)
• M29: 3,483,386 km (0.074 R)
• M30: 3,578,830 km (0.108 R)
• M31: 3,661,258 km (0.099 R)
• M32: 3,765,378 km (0.091 R)
• M33: 3,948,037 km (0.098 R)
• M34: 4,126,657 km (0.102 R)
• M35: 4,271,318 km (0.11 R)
• M36: 4,610,756 km (0.1 R)
• M37: 4,745,992 km (0.09 R)
• M38: 5,005,096 km (0.044 R)
• M39: 5,082,139 km (0.095 R)
• M40: 5,175,189 km (0.047 R)
• M41: 5,261,058 km (0.025 R)
• M42: 5,339,447 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.13 AU - 1.81 AU

Year: 1169 Days

Day: 8.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 26,600,236 km

• M1: 195,225 km (0.114 R)
• M2: 284,984 km (0.101 R)
• M3: 458,667 km (0.074 R)
• M4: 553,363 km (0.109 R)
• M5: 657,034 km (0.075 R)
• M6: 824,883 km (0.101 R)
• M7: 1,031,477 km (0.115 R)
• M8: 1,123,929 km (0.099 R)
• M9: 1,213,538 km (0.077 R)
• M10: 1,349,672 km (0.113 R)
• M11: 1,544,149 km (0.117 R)
• M12: 1,645,128 km (0.078 R)
• M13: 1,861,147 km (0.116 R)
• M14: 2,154,209 km (0.078 R)
• M15: 2,268,053 km (0.069 R)
• M16: 2,368,433 km (0.101 R)
• M17: 2,533,889 km (0.083 R)
• M18: 3,019,633 km (0.114 R)
• M19: 3,330,497 km (0.063 R)
• M20: 3,445,389 km (0.088 R)
• M21: 3,670,234 km (0.059 R)
• M22: 3,816,690 km (0.095 R)
• M23: 3,909,292 km (0.108 R)
• M24: 4,012,065 km (0.11 R)
• M25: 4,412,539 km (0.104 R)
• M26: 4,726,545 km (0.072 R)
• M27: 4,816,303 km (0.072 R)
• M28: 5,149,907 km (0.104 R)
• M29: 5,242,209 km (0.118 R)
• M30: 5,345,581 km (0.109 R)
• M31: 5,670,058 km (0.092 R)
• M32: 5,776,123 km (0.047 R)
• M33: 6,044,203 km (0.073 R)
• M34: 6,570,488 km (0.101 R)
• M35: 6,749,258 km (0.098 R)
• M36: 6,918,453 km (0.109 R)
• M37: 7,066,106 km (0.029 R)
• M38: 7,191,918 km (0.088 R)
• M39: 7,376,222 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.6

Radius: 9.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.01 AU - 4.79 AU

Year: 5052 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 26,600,236 km

• M1: 147,952 km (0.083 R)
• M2: 257,757 km (0.102 R)
• M3: 366,066 km (0.03 R)
• M4: 454,778 km (0.077 R)
• M5: 531,970 km (0.109 R)
• M6: 603,777 km (0.059 R)
• M7: 668,104 km (0.06 R)
• M8: 1,119,291 km (0.055 R)
• M9: 1,590,824 km (0.095 R)
• M10: 1,840,203 km (0.066 R)
• M11: 2,135,958 km (0.067 R)
• M12: 2,359,009 km (0.1 R)
• M13: 2,464,475 km (0.108 R)
• M14: 2,662,094 km (0.111 R)
• M15: 2,790,599 km (0.039 R)
• M16: 2,958,896 km (0.054 R)
• M17: 3,034,742 km (0.096 R)
• M18: 3,130,635 km (0.111 R)
• M19: 3,207,977 km (0.108 R)
• M20: 3,285,917 km (0.076 R)
• M21: 3,665,297 km (0.06 R)
• M22: 3,849,901 km (0.077 R)
• M23: 4,313,954 km (0.081 R)
• M24: 4,400,272 km (0.1 R)
• M25: 4,684,807 km (0.066 R)
• M26: 4,952,886 km (0.109 R)
• M27: 5,180,125 km (0.115 R)
• M28: 5,621,140 km (0.118 R)
• M29: 5,739,322 km (0.118 R)
• M30: 6,366,736 km (0.075 R)
• M31: 6,465,171 km (0.069 R)
• M32: 6,613,871 km (0.068 R)
• M33: 6,763,769 km (0.076 R)
• M34: 7,503,680 km (0.103 R)
• M35: 7,581,770 km (0.059 R)
• M36: 7,712,369 km (0.105 R)
• M37: 8,055,546 km (0.102 R)
• M38: 8,403,810 km (0.077 R)
• M39: 8,620,428 km (0.034 R)
• M40: 9,031,822 km (0.109 R)
• M41: 9,114,998 km (0.075 R)
• M42: 9,309,775 km (0.11 R)
• M43: 10,016,625 km (0.092 R)
• M44: 10,246,407 km (0.107 R)
• M45: 10,828,791 km (0.104 R)
• M46: 11,782,627 km (0.119 R)
• M47: 11,873,433 km (0.101 R)
• M48: 11,964,539 km (0.066 R)
• M49: 12,239,051 km (0.085 R)
• M50: 12,300,386 km (0.083 R)
• M51: 12,392,538 km (0.059 R)
• M52: 12,732,275 km (0.1 R)
• M53: 12,825,474 km (0.087 R)
• M54: 12,918,973 km (0.105 R)
• M55: 13,075,153 km (0.119 R)
• M56: 13,929,656 km (0.092 R)
• M57: 14,154,053 km (0.087 R)
• M58: 14,379,796 km (0.077 R)
• M59: 14,606,736 km (0.118 R)
• M60: 14,802,111 km (0.118 R)
• M61: 15,129,730 km (0.093 R)
• M62: 15,625,647 km (0.086 R)
• M63: 16,227,779 km (0.112 R)
• M64: 16,362,716 km (0.097 R)
• M65: 16,633,488 km (0.095 R)
• M66: 16,837,540 km (0.108 R)
• M67: 16,939,864 km (0.06 R)
• M68: 17,145,262 km (0.098 R)
• M69: 17,523,895 km (0.108 R)
• M70: 17,974,932 km (0.117 R)
• M71: 18,289,387 km (0.101 R)
• M72: 18,464,865 km (0.037 R)
• M73: 19,601,360 km (0.029 R)
• M74: 20,250,465 km (0.038 R)
• M75: 21,126,959 km (0.107 R)
• M76: 21,829,620 km (0.027 R)
• M77: 22,389,865 km (0.062 R)
• M78: 22,803,652 km (0.118 R)
• M79: 23,295,979 km (0.09 R)
• M80: 23,638,857 km (0.048 R)
• M81: 23,791,746 km (0.107 R)
• M82: 24,021,828 km (0.079 R)
• M83: 25,143,961 km (0.069 R)
• M84: 25,417,277 km (0.096 R)
• M85: 25,888,360 km (0.097 R)
• M86: 26,124,875 km (0.038 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 15,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit