🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.6

Radius: 12.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.39 AU - 0.63 AU

Year: 243 Days

Day: 9.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 155.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,884,554 km

• M1: 159,172 km (0.07 R)
• M2: 697,874 km (0.104 R)
• M3: 1,130,810 km (0.111 R)
• M4: 1,530,835 km (0.117 R)
• M5: 2,198,939 km (0.115 R)
• M6: 2,655,811 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.1

Radius: 12.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 11.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,884,554 km

• M1: 151,692 km (0.066 R)
• M2: 536,757 km (0.105 R)
• M3: 1,065,735 km (0.099 R)
• M4: 1,453,942 km (0.086 R)
• M5: 1,966,314 km (0.082 R)
• M6: 2,408,227 km (0.099 R)
• M7: 3,382,557 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499

Radius: 12

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.28 AU - 1.68 AU

Year: 1201 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 159.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,884,554 km

• M1: 149,448 km (0.097 R)
• M2: 589,116 km (0.105 R)
• M3: 971,937 km (0.093 R)
• M4: 1,481,917 km (0.079 R)
• M5: 2,263,565 km (0.102 R)
• M6: 2,861,807 km (0.114 R)
• M7: 3,518,991 km (0.077 R)
• M8: 4,308,419 km (0.082 R)
• M9: 5,309,228 km (0.076 R)
• M10: 6,436,748 km (0.062 R)
• M11: 7,105,001 km (0.063 R)
• M12: 7,617,374 km (0.12 R)
• M13: 8,634,340 km (0.092 R)
• M14: 9,447,704 km (0.116 R)
• M15: 9,828,580 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.9

Radius: 9.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.67 AU - 1.75 AU

Year: 1491 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 122.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,884,554 km

• M1: 113,246 km (0.046 R)
• M2: 401,221 km (0.056 R)
• M3: 697,425 km (0.083 R)
• M4: 1,019,360 km (0.112 R)
• M5: 1,302,997 km (0.106 R)
• M6: 1,699,432 km (0.111 R)
• M7: 2,095,118 km (0.047 R)
• M8: 2,417,950 km (0.109 R)
• M9: 3,244,778 km (0.065 R)
• M10: 3,664,849 km (0.082 R)
• M11: 4,216,715 km (0.12 R)
• M12: 5,128,664 km (0.058 R)
• M13: 5,466,755 km (0.118 R)
• M14: 5,799,610 km (0.069 R)
• M15: 6,549,544 km (0.111 R)
• M16: 7,268,961 km (0.117 R)
• M17: 7,817,985 km (0.089 R)
• M18: 9,133,997 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579

Radius: 8.7

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.98 AU - 2.52 AU

Year: 2251 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,884,554 km

• M1: 108,758 km (0.073 R)
• M2: 447,148 km (0.086 R)
• M3: 734,526 km (0.096 R)
• M4: 1,044,193 km (0.119 R)
• M5: 1,432,848 km (0.059 R)
• M6: 1,871,320 km (0.1 R)
• M7: 3,081,267 km (0.118 R)
• M8: 3,426,539 km (0.098 R)
• M9: 4,002,491 km (0.086 R)
• M10: 5,074,360 km (0.092 R)
• M11: 5,629,069 km (0.028 R)
• M12: 6,941,790 km (0.043 R)
• M13: 7,421,700 km (0.069 R)
• M14: 8,799,347 km (0.076 R)
• M15: 9,395,494 km (0.114 R)
• M16: 10,375,959 km (0.079 R)
• M17: 11,117,067 km (0.112 R)
• M18: 14,392,512 km (0.07 R)
• M19: 16,768,725 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 12.4

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.71 AU - 2.79 AU

Year: 2251 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,884,554 km

• M1: 154,235 km (0.075 R)
• M2: 686,654 km (0.08 R)
• M3: 1,605,036 km (0.078 R)
• M4: 2,229,607 km (0.1 R)
• M5: 2,747,514 km (0.082 R)
• M6: 3,815,643 km (0.103 R)
• M7: 4,309,915 km (0.108 R)
• M8: 5,119,838 km (0.047 R)
• M9: 5,623,234 km (0.049 R)
• M10: 7,217,200 km (0.081 R)
• M11: 7,758,744 km (0.096 R)
• M12: 8,392,141 km (0.1 R)
• M13: 10,807,100 km (0.109 R)
• M14: 11,924,745 km (0.098 R)
• M15: 12,469,132 km (0.079 R)
• M16: 14,063,995 km (0.096 R)
• M17: 16,653,684 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.2

Radius: 9.4

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.1 AU - 3.32 AU

Year: 2975 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,884,554 km

• M1: 116,986 km (0.114 R)
• M2: 780,602 km (0.069 R)
• M3: 1,232,238 km (0.034 R)
• M4: 1,530,536 km (0.106 R)
• M5: 2,031,090 km (0.097 R)
• M6: 2,393,566 km (0.12 R)
• M7: 3,688,784 km (0.101 R)
• M8: 4,342,527 km (0.079 R)
• M9: 4,709,042 km (0.088 R)
• M10: 5,171,299 km (0.042 R)
• M11: 6,214,894 km (0.082 R)
• M12: 6,621,950 km (0.113 R)
• M13: 7,202,689 km (0.108 R)
• M14: 8,857,989 km (0.083 R)
• M15: 9,678,085 km (0.057 R)
• M16: 10,752,796 km (0.119 R)
• M17: 14,153,903 km (0.113 R)
• M18: 14,554,526 km (0.116 R)
• M19: 15,378,362 km (0.094 R)
• M20: 15,695,210 km (0.079 R)
• M21: 17,231,730 km (0.062 R)
• M22: 17,862,135 km (0.041 R)
• M23: 18,866,236 km (0.055 R)
• M24: 19,168,723 km (0.104 R)
• M25: 19,659,255 km (0.094 R)
• M26: 20,793,805 km (0.109 R)
• M27: 22,986,012 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.9

Radius: 13.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.62 AU - 5.92 AU

Year: 6947 Days

Day: 5.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,884,554 km

• M1: 203,603 km (0.075 R)
• M2: 654,042 km (0.083 R)
• M3: 1,261,110 km (0.119 R)
• M4: 2,233,047 km (0.114 R)
• M5: 3,702,248 km (0.095 R)
• M6: 4,142,215 km (0.118 R)
• M7: 4,562,585 km (0.046 R)
• M8: 5,217,226 km (0.092 R)
• M9: 6,504,964 km (0.047 R)
• M10: 7,875,580 km (0.106 R)
• M11: 10,639,999 km (0.102 R)
• M12: 11,587,402 km (0.103 R)
• M13: 12,753,817 km (0.102 R)
• M14: 16,789,219 km (0.052 R)
• M15: 17,389,406 km (0.072 R)
• M16: 18,421,332 km (0.096 R)
• M17: 19,493,650 km (0.106 R)
• M18: 23,700,641 km (0.052 R)
• M19: 25,227,886 km (0.075 R)
• M20: 28,760,639 km (0.104 R)
• M21: 29,717,019 km (0.032 R)
• M22: 34,391,354 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.4

Radius: 3.5

Gravity: 63.13 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.8 AU - 8 AU

Year: 14807 Days

Day: 17.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,884,554 km

• M1: 43,533 km (0.107 R)
• M2: 314,006 km (0.035 R)
• M3: 635,043 km (0.078 R)
• M4: 811,568 km (0.026 R)
• M5: 1,810,583 km (0.045 R)
• M6: 2,068,789 km (0.062 R)
• M7: 3,168,632 km (0.116 R)
• M8: 3,683,997 km (0.104 R)
• M9: 5,753,534 km (0.068 R)
• M10: 5,987,655 km (0.113 R)
• M11: 7,344,807 km (0.067 R)
• M12: 8,388,701 km (0.105 R)
• M13: 9,207,300 km (0.114 R)
• M14: 10,021,711 km (0.106 R)
• M15: 11,980,545 km (0.072 R)
• M16: 12,556,048 km (0.105 R)
• M17: 14,180,233 km (0.093 R)
• M18: 18,588,134 km (0.068 R)
• M19: 25,667,554 km (0.097 R)
• M20: 26,301,101 km (0.072 R)
• M21: 26,621,839 km (0.102 R)
• M22: 26,836,960 km (0.092 R)
• M23: 31,030,638 km (0.037 R)
• M24: 39,697,141 km (0.059 R)
• M25: 42,273,217 km (0.119 R)
• M26: 44,654,516 km (0.081 R)
• M27: 51,661,231 km (0.075 R)
• M28: 52,332,327 km (0.113 R)
• M29: 53,009,257 km (0.065 R)
• M30: 64,841,252 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.1

Radius: 3.8

Gravity: 19.88 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.4 AU - 12.26 AU

Year: 23767 Days

Day: 22.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,884,554 km

• M1: 56,698 km (0.06 R)
• M2: 190,737 km (0.067 R)
• M3: 323,730 km (0.12 R)
• M4: 451,486 km (0.09 R)
• M5: 699,520 km (0.039 R)
• M6: 823,985 km (0.111 R)
• M7: 1,143,526 km (0.105 R)
• M8: 1,463,666 km (0.106 R)
• M9: 1,588,131 km (0.113 R)
• M10: 1,753,736 km (0.092 R)
• M11: 2,023,610 km (0.07 R)
• M12: 3,075,583 km (0.115 R)
• M13: 3,280,831 km (0.105 R)
• M14: 4,382,918 km (0.114 R)
• M15: 4,709,640 km (0.106 R)
• M16: 6,760,029 km (0.081 R)
• M17: 9,497,520 km (0.075 R)
• M18: 10,381,195 km (0.087 R)
• M19: 11,931,777 km (0.113 R)
• M20: 12,310,409 km (0.107 R)
• M21: 12,567,268 km (0.084 R)
• M22: 13,767,342 km (0.078 R)
• M23: 15,041,617 km (0.108 R)
• M24: 17,256,862 km (0.074 R)
• M25: 24,273,750 km (0.038 R)
• M26: 26,231,538 km (0.109 R)
• M27: 26,871,069 km (0.108 R)
• M28: 27,739,784 km (0.048 R)
• M29: 28,181,097 km (0.077 R)
• M30: 28,627,049 km (0.034 R)
• M31: 32,854,684 km (0.118 R)
• M32: 36,548,555 km (0.103 R)
• M33: 38,563,489 km (0.104 R)
• M34: 42,374,943 km (0.117 R)
• M35: 46,120,874 km (0.106 R)
• M36: 47,994,737 km (0.088 R)
• M37: 50,571,411 km (0.06 R)
• M38: 55,998,522 km (0.079 R)
• M39: 56,350,077 km (0.117 R)
• M40: 61,427,130 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 13,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit