🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497

Radius: 13.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.58 AU - 0.94 AU

Year: 428 Days

Day: 12.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,593,474 km

• M1: 167,849 km (0.06 R)
• M2: 599,439 km (0.12 R)
• M3: 1,210,097 km (0.109 R)
• M4: 2,008,950 km (0.119 R)
• M5: 2,487,364 km (0.116 R)
• M6: 2,990,461 km (0.039 R)
• M7: 3,526,620 km (0.105 R)
• M8: 4,152,538 km (0.101 R)
• M9: 4,638,282 km (0.086 R)
• M10: 5,072,116 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.4

Radius: 14.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.82 AU - 0.98 AU

Year: 551 Days

Day: 7.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,593,474 km

• M1: 181,612 km (0.069 R)
• M2: 639,980 km (0.09 R)
• M3: 1,178,083 km (0.034 R)
• M4: 1,744,311 km (0.068 R)
• M5: 2,227,512 km (0.114 R)
• M6: 2,959,794 km (0.117 R)
• M7: 3,918,567 km (0.098 R)
• M8: 4,432,884 km (0.043 R)
• M9: 5,229,044 km (0.028 R)
• M10: 6,176,597 km (0.111 R)
• M11: 7,563,220 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 13.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.3 AU - 2.4 AU

Year: 2326 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,593,474 km

• M1: 168,597 km (0.066 R)
• M2: 598,691 km (0.115 R)
• M3: 1,100,741 km (0.119 R)
• M4: 2,447,571 km (0.108 R)
• M5: 2,946,480 km (0.087 R)
• M6: 3,770,315 km (0.119 R)
• M7: 4,460,560 km (0.085 R)
• M8: 5,080,643 km (0.092 R)
• M9: 5,502,808 km (0.064 R)
• M10: 6,418,347 km (0.111 R)
• M11: 7,101,561 km (0.094 R)
• M12: 7,545,717 km (0.034 R)
• M13: 8,895,987 km (0.116 R)
• M14: 10,401,540 km (0.119 R)
• M15: 11,533,547 km (0.065 R)
• M16: 14,042,154 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 9.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.71 AU - 3.59 AU

Year: 3610 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,593,474 km

• M1: 118,182 km (0.098 R)
• M2: 443,558 km (0.103 R)
• M3: 760,107 km (0.098 R)
• M4: 1,457,382 km (0.055 R)
• M5: 2,026,752 km (0.071 R)
• M6: 2,414,659 km (0.105 R)
• M7: 4,073,999 km (0.102 R)
• M8: 4,377,533 km (0.078 R)
• M9: 4,861,482 km (0.091 R)
• M10: 5,509,690 km (0.077 R)
• M11: 6,472,053 km (0.065 R)
• M12: 8,171,036 km (0.1 R)
• M13: 8,798,300 km (0.114 R)
• M14: 12,562,182 km (0.102 R)
• M15: 13,445,109 km (0.094 R)
• M16: 17,169,497 km (0.061 R)
• M17: 17,793,171 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 11.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.27 AU - 5.53 AU

Year: 8102 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,593,474 km

• M1: 141,370 km (0.062 R)
• M2: 836,252 km (0.12 R)
• M3: 1,315,713 km (0.102 R)
• M4: 1,975,889 km (0.086 R)
• M5: 3,599,624 km (0.053 R)
• M6: 4,713,829 km (0.072 R)
• M7: 5,139,435 km (0.084 R)
• M8: 7,971,622 km (0.079 R)
• M9: 9,979,824 km (0.045 R)
• M10: 10,513,589 km (0.094 R)
• M11: 11,031,048 km (0.09 R)
• M12: 12,380,570 km (0.11 R)
• M13: 13,114,946 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224

Radius: 12.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.65 AU - 5.83 AU

Year: 8879 Days

Day: 12.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 152.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,593,474 km

• M1: 160,818 km (0.089 R)
• M2: 693,835 km (0.117 R)
• M3: 1,472,791 km (0.11 R)
• M4: 2,073,726 km (0.063 R)
• M5: 2,798,827 km (0.066 R)
• M6: 3,311,199 km (0.084 R)
• M7: 4,501,699 km (0.039 R)
• M8: 5,127,317 km (0.079 R)
• M9: 6,947,475 km (0.047 R)
• M10: 8,766,734 km (0.094 R)
• M11: 11,677,311 km (0.076 R)
• M12: 14,177,540 km (0.047 R)
• M13: 19,530,301 km (0.114 R)
• M14: 22,803,802 km (0.102 R)
• M15: 29,250,722 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.6

Radius: 12.8

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.46 AU - 6.14 AU

Year: 9019 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,593,474 km

• M1: 159,322 km (0.076 R)
• M2: 661,522 km (0.069 R)
• M3: 1,360,892 km (0.065 R)
• M4: 2,756,042 km (0.066 R)
• M5: 3,559,083 km (0.107 R)
• M6: 4,950,493 km (0.106 R)
• M7: 5,416,640 km (0.112 R)
• M8: 10,652,266 km (0.056 R)
• M9: 11,333,235 km (0.077 R)
• M10: 12,356,335 km (0.085 R)
• M11: 13,108,364 km (0.071 R)
• M12: 13,551,622 km (0.097 R)
• M13: 14,703,825 km (0.059 R)
• M14: 16,171,530 km (0.078 R)
• M15: 17,071,660 km (0.117 R)
• M16: 17,534,067 km (0.088 R)
• M17: 18,691,955 km (0.099 R)
• M18: 19,972,961 km (0.056 R)
• M19: 24,332,991 km (0.118 R)
• M20: 25,088,311 km (0.119 R)
• M21: 29,289,767 km (0.087 R)
• M22: 31,804,657 km (0.034 R)
• M23: 33,319,335 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.9

Radius: 5.7

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.11 AU - 7.59 AU

Year: 10332 Days

Day: 23.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,593,474 km

• M1: 72,555 km (0.065 R)
• M2: 274,961 km (0.055 R)
• M3: 1,015,470 km (0.06 R)
• M4: 1,322,146 km (0.032 R)
• M5: 1,632,562 km (0.072 R)
• M6: 2,292,139 km (0.089 R)
• M7: 2,662,693 km (0.112 R)
• M8: 2,903,695 km (0.09 R)
• M9: 3,269,910 km (0.116 R)
• M10: 4,094,494 km (0.071 R)
• M11: 4,416,279 km (0.088 R)
• M12: 5,049,826 km (0.116 R)
• M13: 9,377,991 km (0.081 R)
• M14: 9,748,396 km (0.088 R)
• M15: 12,070,155 km (0.092 R)
• M16: 13,768,539 km (0.094 R)
• M17: 15,491,608 km (0.084 R)
• M18: 16,338,481 km (0.098 R)
• M19: 18,844,245 km (0.111 R)
• M20: 21,595,051 km (0.118 R)
• M21: 24,864,662 km (0.12 R)
• M22: 26,662,679 km (0.103 R)
• M23: 29,030,065 km (0.118 R)
• M24: 30,818,807 km (0.052 R)
• M25: 31,947,373 km (0.118 R)
• M26: 35,054,222 km (0.081 R)
• M27: 35,609,529 km (0.069 R)
• M28: 38,474,328 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.7

Radius: 6.2

Gravity: 22.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.26 AU - 8.2 AU

Year: 11273 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,593,474 km

• M1: 110,254 km (0.066 R)
• M2: 442,810 km (0.1 R)
• M3: 2,142,242 km (0.059 R)
• M4: 2,664,637 km (0.062 R)
• M5: 3,121,659 km (0.108 R)
• M6: 4,016,852 km (0.113 R)
• M7: 4,554,657 km (0.114 R)
• M8: 5,038,606 km (0.082 R)
• M9: 7,194,461 km (0.067 R)
• M10: 7,583,415 km (0.088 R)
• M11: 9,432,595 km (0.085 R)
• M12: 10,271,539 km (0.111 R)
• M13: 10,932,612 km (0.095 R)
• M14: 14,875,563 km (0.114 R)
• M15: 26,210,594 km (0.073 R)
• M16: 26,924,176 km (0.077 R)
• M17: 27,650,773 km (0.114 R)
• M18: 28,390,235 km (0.08 R)
• M19: 33,224,640 km (0.096 R)
• M20: 34,787,489 km (0.074 R)
• M21: 35,773,339 km (0.118 R)
• M22: 46,380,127 km (0.087 R)
• M23: 52,553,134 km (0.103 R)
• M24: 56,003,010 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.7

Radius: 6.8

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.35 AU - 9.81 AU

Year: 17666 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,593,474 km

• M1: 84,822 km (0.108 R)
• M2: 304,880 km (0.045 R)
• M3: 547,678 km (0.044 R)
• M4: 1,242,261 km (0.089 R)
• M5: 1,812,677 km (0.098 R)
• M6: 2,062,506 km (0.059 R)
• M7: 2,906,836 km (0.052 R)
• M8: 3,149,933 km (0.104 R)
• M9: 3,380,313 km (0.118 R)
• M10: 4,386,210 km (0.111 R)
• M11: 5,504,753 km (0.11 R)
• M12: 6,470,557 km (0.113 R)
• M13: 7,276,740 km (0.094 R)
• M14: 9,293,768 km (0.082 R)
• M15: 9,556,312 km (0.055 R)
• M16: 14,532,087 km (0.034 R)
• M17: 16,208,780 km (0.114 R)
• M18: 17,211,385 km (0.103 R)
• M19: 17,528,083 km (0.063 R)
• M20: 18,173,149 km (0.091 R)
• M21: 19,339,714 km (0.074 R)
• M22: 22,006,445 km (0.045 R)
• M23: 22,567,736 km (0.077 R)
• M24: 24,707,584 km (0.096 R)
• M25: 28,826,911 km (0.115 R)
• M26: 30,295,813 km (0.098 R)
• M27: 37,064,368 km (0.084 R)
• M28: 38,394,593 km (0.117 R)
• M29: 40,448,871 km (0.113 R)
• M30: 44,477,691 km (0.078 R)
• M31: 44,775,241 km (0.104 R)
• M32: 46,283,188 km (0.094 R)
• M33: 54,333,797 km (0.086 R)
• M34: 60,858,359 km (0.091 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: 350 - 15,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit