🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 14.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.44 AU - 0.7 AU

Year: 302 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,826,489 km

• M1: 177,872 km (0.107 R)
• M2: 738,265 km (0.062 R)
• M3: 1,240,914 km (0.09 R)
• M4: 1,717,982 km (0.112 R)
• M5: 2,579,516 km (0.114 R)
• M6: 3,178,955 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.9

Radius: 14.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.59 AU - 0.73 AU

Year: 377 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,826,489 km

• M1: 175,329 km (0.099 R)
• M2: 661,372 km (0.118 R)
• M3: 1,450,651 km (0.079 R)
• M4: 1,991,148 km (0.093 R)
• M5: 2,626,490 km (0.104 R)
• M6: 3,108,494 km (0.047 R)
• M7: 3,865,609 km (0.087 R)
• M8: 4,450,836 km (0.098 R)
• M9: 5,001,356 km (0.079 R)
• M10: 5,480,967 km (0.115 R)
• M11: 6,026,550 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.3

Radius: 8.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.58 AU - 0.9 AU

Year: 447 Days

Day: 12 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,826,489 km

• M1: 106,962 km (0.106 R)
• M2: 389,254 km (0.107 R)
• M3: 668,254 km (0.051 R)
• M4: 1,088,325 km (0.087 R)
• M5: 1,481,468 km (0.061 R)
• M6: 1,759,869 km (0.067 R)
• M7: 2,081,355 km (0.102 R)
• M8: 2,748,861 km (0.025 R)
• M9: 3,463,191 km (0.079 R)
• M10: 3,746,529 km (0.083 R)
• M11: 4,206,991 km (0.048 R)
• M12: 4,503,793 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 14.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.2 AU - 1.88 AU

Year: 1343 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,826,489 km

• M1: 179,069 km (0.11 R)
• M2: 746,344 km (0.089 R)
• M3: 1,244,953 km (0.109 R)
• M4: 2,120,400 km (0.07 R)
• M5: 2,571,139 km (0.094 R)
• M6: 3,407,989 km (0.108 R)
• M7: 3,866,507 km (0.07 R)
• M8: 5,582,245 km (0.043 R)
• M9: 6,889,580 km (0.12 R)
• M10: 7,628,743 km (0.101 R)
• M11: 9,266,391 km (0.05 R)
• M12: 10,040,560 km (0.1 R)
• M13: 10,558,319 km (0.114 R)
• M14: 11,299,426 km (0.106 R)
• M15: 11,859,970 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.7

Radius: 8.6

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.78 AU - 3.32 AU

Year: 3744 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,826,489 km

• M1: 109,506 km (0.038 R)
• M2: 381,175 km (0.087 R)
• M3: 682,465 km (0.114 R)
• M4: 973,134 km (0.055 R)
• M5: 1,617,901 km (0.046 R)
• M6: 2,164,831 km (0.112 R)
• M7: 2,656,260 km (0.096 R)
• M8: 3,459,152 km (0.118 R)
• M9: 4,155,230 km (0.083 R)
• M10: 4,710,987 km (0.032 R)
• M11: 5,425,466 km (0.055 R)
• M12: 8,260,196 km (0.114 R)
• M13: 12,779,847 km (0.054 R)
• M14: 13,180,021 km (0.082 R)
• M15: 16,747,930 km (0.055 R)
• M16: 17,409,452 km (0.086 R)
• M17: 18,720,678 km (0.096 R)
• M18: 20,433,872 km (0.098 R)
• M19: 21,189,192 km (0.08 R)
• M20: 24,245,028 km (0.084 R)
• M21: 24,550,507 km (0.119 R)
• M22: 25,957,475 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.8

Radius: 9.5

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.98 AU - 4.36 AU

Year: 5986 Days

Day: 10.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,826,489 km

• M1: 118,182 km (0.082 R)
• M2: 467,942 km (0.11 R)
• M3: 929,751 km (0.108 R)
• M4: 1,589,926 km (0.091 R)
• M5: 1,895,405 km (0.082 R)
• M6: 2,376,362 km (0.06 R)
• M7: 2,877,216 km (0.089 R)
• M8: 6,681,639 km (0.084 R)
• M9: 7,451,021 km (0.063 R)
• M10: 7,837,432 km (0.05 R)
• M11: 9,297,059 km (0.107 R)
• M12: 9,745,404 km (0.116 R)
• M13: 10,782,865 km (0.099 R)
• M14: 12,690,986 km (0.067 R)
• M15: 13,299,251 km (0.042 R)
• M16: 15,550,998 km (0.108 R)
• M17: 20,493,712 km (0.096 R)
• M18: 21,485,545 km (0.11 R)
• M19: 22,992,445 km (0.049 R)
• M20: 25,687,450 km (0.093 R)
• M21: 27,292,486 km (0.074 R)
• M22: 28,026,862 km (0.108 R)
• M23: 34,917,789 km (0.117 R)
• M24: 35,456,939 km (0.076 R)
• M25: 37,219,950 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.6

Radius: 5.8

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.37 AU - 6.69 AU

Year: 9141 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,826,489 km

• M1: 73,602 km (0.102 R)
• M2: 299,046 km (0.065 R)
• M3: 500,106 km (0.097 R)
• M4: 737,069 km (0.084 R)
• M5: 1,079,648 km (0.097 R)
• M6: 1,483,412 km (0.11 R)
• M7: 1,887,177 km (0.083 R)
• M8: 2,343,301 km (0.075 R)
• M9: 2,686,179 km (0.107 R)
• M10: 3,354,882 km (0.035 R)
• M11: 3,740,695 km (0.099 R)
• M12: 3,944,447 km (0.108 R)
• M13: 4,236,761 km (0.118 R)
• M14: 5,138,986 km (0.097 R)
• M15: 5,784,950 km (0.114 R)
• M16: 6,058,115 km (0.03 R)
• M17: 6,929,224 km (0.118 R)
• M18: 7,594,934 km (0.086 R)
• M19: 7,839,826 km (0.065 R)
• M20: 8,475,019 km (0.115 R)
• M21: 9,656,393 km (0.095 R)
• M22: 10,336,166 km (0.107 R)
• M23: 10,789,746 km (0.051 R)
• M24: 11,468,023 km (0.028 R)
• M25: 15,227,268 km (0.104 R)
• M26: 18,313,771 km (0.106 R)
• M27: 22,959,683 km (0.064 R)
• M28: 24,697,262 km (0.077 R)
• M29: 32,848,102 km (0.095 R)
• M30: 35,388,124 km (0.09 R)
• M31: 39,499,822 km (0.115 R)
• M32: 41,481,246 km (0.096 R)
• M33: 42,241,053 km (0.113 R)
• M34: 42,624,323 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.3

Radius: 3

Gravity: 98.48 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.5 AU - 12.02 AU

Year: 21433 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,826,489 km

• M1: 47,572 km (0.077 R)
• M2: 324,328 km (0.107 R)
• M3: 427,102 km (0.083 R)
• M4: 577,897 km (0.103 R)
• M5: 742,155 km (0.07 R)
• M6: 1,052,421 km (0.075 R)
• M7: 1,192,594 km (0.059 R)
• M8: 1,476,381 km (0.098 R)
• M9: 1,783,805 km (0.109 R)
• M10: 2,132,218 km (0.112 R)
• M11: 2,357,214 km (0.105 R)
• M12: 2,475,546 km (0.052 R)
• M13: 2,908,033 km (0.114 R)
• M14: 3,388,691 km (0.12 R)
• M15: 3,539,635 km (0.092 R)
• M16: 4,724,750 km (0.114 R)
• M17: 5,717,780 km (0.101 R)
• M18: 5,845,537 km (0.094 R)
• M19: 7,531,654 km (0.114 R)
• M20: 7,788,813 km (0.097 R)
• M21: 9,163,468 km (0.027 R)
• M22: 12,170,236 km (0.109 R)
• M23: 12,311,157 km (0.088 R)
• M24: 18,503,910 km (0.05 R)
• M25: 21,226,143 km (0.104 R)
• M26: 24,762,636 km (0.106 R)
• M27: 26,023,597 km (0.112 R)
• M28: 27,326,594 km (0.068 R)
• M29: 33,938,671 km (0.113 R)
• M30: 38,892,604 km (0.033 R)
• M31: 45,650,089 km (0.099 R)
• M32: 45,989,976 km (0.079 R)
• M33: 52,587,840 km (0.114 R)
• M34: 56,794,981 km (0.102 R)
• M35: 61,841,815 km (0.055 R)
• M36: 66,960,007 km (0.12 R)
• M37: 67,179,168 km (0.097 R)
• M38: 72,123,078 km (0.119 R)
• M39: 75,867,064 km (0.068 R)
• M40: 78,271,551 km (0.102 R)
• M41: 84,248,734 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 15,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit