🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.8

Radius: 12

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.69 AU - 0.71 AU

Year: 412 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,328,823 km

• M1: 149,299 km (0.054 R)
• M2: 593,604 km (0.108 R)
• M3: 971,339 km (0.071 R)
• M4: 1,398,890 km (0.045 R)
• M5: 1,809,685 km (0.105 R)
• M6: 2,301,713 km (0.068 R)
• M7: 2,892,774 km (0.109 R)
• M8: 3,583,318 km (0.068 R)
• M9: 4,151,042 km (0.118 R)
• M10: 5,230,690 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 9.8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.85 AU - 1.07 AU

Year: 661 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,328,823 km

• M1: 121,922 km (0.077 R)
• M2: 517,609 km (0.077 R)
• M3: 873,801 km (0.104 R)
• M4: 1,532,481 km (0.043 R)
• M5: 2,010,296 km (0.037 R)
• M6: 2,431,863 km (0.094 R)
• M7: 2,745,121 km (0.115 R)
• M8: 3,064,812 km (0.113 R)
• M9: 3,376,125 km (0.079 R)
• M10: 3,816,092 km (0.077 R)
• M11: 4,386,359 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.1

Radius: 12.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.61 AU - 4.35 AU

Year: 4563 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,328,823 km

• M1: 153,338 km (0.12 R)
• M2: 657,183 km (0.085 R)
• M3: 2,306,799 km (0.119 R)
• M4: 2,952,763 km (0.117 R)
• M5: 3,539,336 km (0.045 R)
• M6: 5,676,491 km (0.11 R)
• M7: 7,183,540 km (0.052 R)
• M8: 8,042,980 km (0.073 R)
• M9: 8,778,852 km (0.112 R)
• M10: 9,219,268 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.7

Radius: 14.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.17 AU - 3.93 AU

Year: 4702 Days

Day: 8.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,328,823 km

• M1: 179,966 km (0.101 R)
• M2: 943,065 km (0.098 R)
• M3: 1,640,490 km (0.115 R)
• M4: 2,322,208 km (0.115 R)
• M5: 3,348,898 km (0.077 R)
• M6: 3,841,823 km (0.114 R)
• M7: 4,922,069 km (0.102 R)
• M8: 7,012,849 km (0.05 R)
• M9: 9,143,571 km (0.072 R)
• M10: 9,600,144 km (0.103 R)
• M11: 10,424,578 km (0.11 R)
• M12: 11,295,686 km (0.075 R)
• M13: 12,115,782 km (0.041 R)
• M14: 14,202,672 km (0.079 R)
• M15: 15,564,312 km (0.11 R)
• M16: 19,280,323 km (0.107 R)
• M17: 20,242,088 km (0.091 R)
• M18: 21,235,567 km (0.116 R)
• M19: 22,112,809 km (0.117 R)
• M20: 29,570,562 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.6

Radius: 3.5

Gravity: 74.17 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.72 AU - 5.92 AU

Year: 9869 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,328,823 km

• M1: 59,241 km (0.088 R)
• M2: 212,579 km (0.099 R)
• M3: 407,056 km (0.111 R)
• M4: 1,538,165 km (0.034 R)
• M5: 2,204,175 km (0.065 R)
• M6: 2,685,731 km (0.112 R)
• M7: 3,381,959 km (0.117 R)
• M8: 4,190,835 km (0.053 R)
• M9: 5,054,912 km (0.062 R)
• M10: 7,126,992 km (0.049 R)
• M11: 7,942,001 km (0.118 R)
• M12: 9,253,376 km (0.03 R)
• M13: 14,302,753 km (0.103 R)
• M14: 17,105,021 km (0.087 R)
• M15: 20,252,410 km (0.054 R)
• M16: 21,612,554 km (0.11 R)
• M17: 25,276,505 km (0.05 R)
• M18: 33,921,317 km (0.077 R)
• M19: 35,955,848 km (0.082 R)
• M20: 38,579,496 km (0.068 R)
• M21: 40,397,708 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.5

Radius: 5.2

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.67 AU - 7.41 AU

Year: 10434 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,328,823 km

• M1: 65,075 km (0.09 R)
• M2: 362,176 km (0.09 R)
• M3: 566,228 km (0.119 R)
• M4: 978,370 km (0.114 R)
• M5: 1,143,825 km (0.106 R)
• M6: 1,351,168 km (0.092 R)
• M7: 1,532,481 km (0.087 R)
• M8: 1,702,573 km (0.088 R)
• M9: 1,871,021 km (0.117 R)
• M10: 2,225,119 km (0.103 R)
• M11: 2,392,519 km (0.095 R)
• M12: 4,077,440 km (0.101 R)
• M13: 4,406,704 km (0.077 R)
• M14: 5,176,086 km (0.077 R)
• M15: 6,292,236 km (0.067 R)
• M16: 6,560,615 km (0.119 R)
• M17: 6,801,617 km (0.11 R)
• M18: 7,863,462 km (0.103 R)
• M19: 8,293,706 km (0.096 R)
• M20: 8,947,449 km (0.111 R)
• M21: 9,547,037 km (0.119 R)
• M22: 9,723,114 km (0.105 R)
• M23: 10,173,104 km (0.104 R)
• M24: 10,496,086 km (0.11 R)
• M25: 12,475,116 km (0.087 R)
• M26: 13,331,863 km (0.105 R)
• M27: 13,830,772 km (0.114 R)
• M28: 14,227,206 km (0.095 R)
• M29: 14,515,182 km (0.093 R)
• M30: 14,748,256 km (0.052 R)
• M31: 15,281,722 km (0.071 R)
• M32: 20,456,761 km (0.035 R)
• M33: 20,823,575 km (0.085 R)
• M34: 22,489,497 km (0.034 R)
• M35: 23,594,875 km (0.068 R)
• M36: 25,235,964 km (0.086 R)
• M37: 27,748,311 km (0.077 R)
• M38: 31,093,020 km (0.117 R)
• M39: 33,263,984 km (0.1 R)
• M40: 33,567,518 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.7

Radius: 3.2

Gravity: 83.56 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.09 AU - 8.77 AU

Year: 14236 Days

Day: 17.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,328,823 km

• M1: 39,793 km (0.104 R)
• M2: 141,669 km (0.081 R)
• M3: 554,260 km (0.106 R)
• M4: 844,630 km (0.076 R)
• M5: 1,488,499 km (0.069 R)
• M6: 2,494,395 km (0.073 R)
• M7: 2,791,347 km (0.091 R)
• M8: 2,960,691 km (0.118 R)
• M9: 6,149,370 km (0.096 R)
• M10: 6,861,606 km (0.052 R)
• M11: 7,768,169 km (0.093 R)
• M12: 9,595,656 km (0.048 R)
• M13: 11,444,237 km (0.12 R)
• M14: 12,451,779 km (0.097 R)
• M15: 13,585,581 km (0.082 R)
• M16: 13,931,751 km (0.106 R)
• M17: 16,210,126 km (0.095 R)
• M18: 16,915,330 km (0.038 R)
• M19: 19,413,764 km (0.106 R)
• M20: 21,116,936 km (0.088 R)
• M21: 23,407,429 km (0.101 R)
• M22: 23,605,497 km (0.119 R)
• M23: 24,920,013 km (0.116 R)
• M24: 27,254,338 km (0.057 R)
• M25: 29,499,354 km (0.09 R)
• M26: 34,352,907 km (0.03 R)
• M27: 39,572,078 km (0.054 R)
• M28: 41,712,374 km (0.073 R)
• M29: 42,295,806 km (0.055 R)
• M30: 43,181,276 km (0.077 R)
• M31: 45,448,731 km (0.108 R)
• M32: 48,593,727 km (0.108 R)
• M33: 52,555,527 km (0.117 R)
• M34: 59,443,163 km (0.077 R)
• M35: 60,739,877 km (0.106 R)
• M36: 65,133,118 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 20,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit