🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.5

Radius: 9.5

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.54 AU - 0.9 AU

Year: 422 Days

Day: 13.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,484,723 km

• M1: 118,182 km (0.106 R)
• M2: 483,800 km (0.068 R)
• M3: 896,540 km (0.117 R)
• M4: 1,423,573 km (0.101 R)
• M5: 1,910,514 km (0.108 R)
• M6: 2,680,046 km (0.107 R)
• M7: 3,141,705 km (0.073 R)
• M8: 4,704,105 km (0.116 R)
• M9: 5,110,413 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.6

Radius: 12.2

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.73 AU - 0.85 AU

Year: 485 Days

Day: 7.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,484,723 km

• M1: 151,842 km (0.084 R)
• M2: 558,000 km (0.078 R)
• M3: 1,421,928 km (0.088 R)
• M4: 1,856,809 km (0.045 R)
• M5: 2,859,264 km (0.092 R)
• M6: 3,352,787 km (0.037 R)
• M7: 3,930,086 km (0.095 R)
• M8: 5,301,300 km (0.101 R)
• M9: 6,105,687 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 9.1

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.05 AU - 1.51 AU

Year: 1000 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,484,723 km

• M1: 113,246 km (0.108 R)
• M2: 521,349 km (0.065 R)
• M3: 904,768 km (0.096 R)
• M4: 1,663,678 km (0.109 R)
• M5: 2,135,958 km (0.097 R)
• M6: 2,486,765 km (0.078 R)
• M7: 2,771,899 km (0.118 R)
• M8: 3,162,649 km (0.053 R)
• M9: 3,483,386 km (0.113 R)
• M10: 4,225,242 km (0.104 R)
• M11: 4,652,045 km (0.115 R)
• M12: 5,386,870 km (0.106 R)
• M13: 6,107,931 km (0.042 R)
• M14: 6,654,562 km (0.096 R)
• M15: 7,208,822 km (0.09 R)
• M16: 7,898,319 km (0.1 R)
• M17: 8,687,148 km (0.083 R)
• M18: 8,971,085 km (0.113 R)
• M19: 9,497,670 km (0.037 R)
• M20: 10,806,801 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.4

Radius: 13.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.2 AU - 3.04 AU

Year: 2927 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,484,723 km

• M1: 167,849 km (0.057 R)
• M2: 898,485 km (0.075 R)
• M3: 1,343,688 km (0.091 R)
• M4: 2,239,779 km (0.082 R)
• M5: 4,343,724 km (0.114 R)
• M6: 5,571,922 km (0.083 R)
• M7: 6,371,224 km (0.051 R)
• M8: 7,418,409 km (0.117 R)
• M9: 8,418,321 km (0.103 R)
• M10: 8,901,522 km (0.059 R)
• M11: 10,797,226 km (0.06 R)
• M12: 11,721,143 km (0.096 R)
• M13: 16,195,615 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 13.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.44 AU - 3.22 AU

Year: 3286 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,484,723 km

• M1: 173,234 km (0.108 R)
• M2: 647,310 km (0.096 R)
• M3: 1,129,464 km (0.072 R)
• M4: 1,814,173 km (0.099 R)
• M5: 2,406,880 km (0.117 R)
• M6: 2,992,406 km (0.113 R)
• M7: 4,029,119 km (0.112 R)
• M8: 4,907,409 km (0.093 R)
• M9: 6,603,250 km (0.12 R)
• M10: 7,537,788 km (0.093 R)
• M11: 8,020,839 km (0.09 R)
• M12: 8,558,793 km (0.052 R)
• M13: 9,337,899 km (0.101 R)
• M14: 10,163,679 km (0.119 R)
• M15: 12,309,810 km (0.103 R)
• M16: 13,536,214 km (0.116 R)
• M17: 16,020,436 km (0.114 R)
• M18: 17,204,503 km (0.099 R)
• M19: 18,736,385 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.2

Radius: 5.6

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.81 AU - 7.31 AU

Year: 10297 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,484,723 km

• M1: 70,012 km (0.116 R)
• M2: 277,205 km (0.112 R)
• M3: 470,784 km (0.041 R)
• M4: 1,202,617 km (0.053 R)
• M5: 1,436,738 km (0.05 R)
• M6: 2,030,641 km (0.113 R)
• M7: 2,420,643 km (0.095 R)
• M8: 6,410,718 km (0.103 R)
• M9: 6,782,169 km (0.117 R)
• M10: 8,412,935 km (0.12 R)
• M11: 9,699,178 km (0.048 R)
• M12: 10,797,675 km (0.102 R)
• M13: 14,524,756 km (0.111 R)
• M14: 14,714,895 km (0.075 R)
• M15: 15,165,185 km (0.076 R)
• M16: 16,640,220 km (0.105 R)
• M17: 19,562,614 km (0.085 R)
• M18: 20,901,964 km (0.09 R)
• M19: 23,152,963 km (0.101 R)
• M20: 24,560,380 km (0.062 R)
• M21: 25,376,736 km (0.114 R)
• M22: 27,641,797 km (0.091 R)
• M23: 27,836,424 km (0.079 R)
• M24: 28,031,948 km (0.044 R)
• M25: 29,426,500 km (0.108 R)
• M26: 34,445,957 km (0.085 R)
• M27: 34,784,497 km (0.095 R)
• M28: 38,534,317 km (0.101 R)
• M29: 41,009,863 km (0.104 R)
• M30: 44,517,185 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.2

Radius: 5.6

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.5 AU - 6.66 AU

Year: 10348 Days

Day: 18 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,484,723 km

• M1: 69,862 km (0.069 R)
• M2: 291,417 km (0.084 R)
• M3: 493,374 km (0.093 R)
• M4: 882,777 km (0.068 R)
• M5: 1,748,799 km (0.099 R)
• M6: 2,426,477 km (0.087 R)
• M7: 2,944,684 km (0.058 R)
• M8: 3,790,361 km (0.118 R)
• M9: 3,977,209 km (0.118 R)
• M10: 4,254,863 km (0.108 R)
• M11: 5,231,288 km (0.076 R)
• M12: 5,667,815 km (0.071 R)
• M13: 6,164,629 km (0.108 R)
• M14: 6,386,184 km (0.076 R)
• M15: 7,244,726 km (0.059 R)
• M16: 8,221,899 km (0.079 R)
• M17: 8,811,464 km (0.104 R)
• M18: 10,382,541 km (0.101 R)
• M19: 17,270,775 km (0.071 R)
• M20: 18,770,045 km (0.106 R)
• M21: 19,080,012 km (0.052 R)
• M22: 19,551,245 km (0.114 R)
• M23: 22,197,033 km (0.049 R)
• M24: 23,247,659 km (0.115 R)
• M25: 25,637,335 km (0.117 R)
• M26: 26,307,534 km (0.04 R)
• M27: 27,783,167 km (0.109 R)
• M28: 31,986,119 km (0.116 R)
• M29: 40,584,107 km (0.083 R)
• M30: 48,392,667 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.5

Radius: 3.7

Gravity: 15.38 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.52 AU - 7.96 AU

Year: 14864 Days

Day: 20.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,484,723 km

• M1: 46,076 km (0.099 R)
• M2: 242,049 km (0.094 R)
• M3: 999,763 km (0.084 R)
• M4: 1,944,623 km (0.086 R)
• M5: 2,373,370 km (0.103 R)
• M6: 2,679,148 km (0.086 R)
• M7: 3,829,855 km (0.053 R)
• M8: 4,699,916 km (0.053 R)
• M9: 4,817,201 km (0.112 R)
• M10: 5,337,802 km (0.05 R)
• M11: 6,275,631 km (0.086 R)
• M12: 8,129,896 km (0.116 R)
• M13: 9,834,564 km (0.084 R)
• M14: 10,075,267 km (0.072 R)
• M15: 10,770,149 km (0.107 R)
• M16: 11,129,334 km (0.11 R)
• M17: 11,709,773 km (0.04 R)
• M18: 14,234,088 km (0.115 R)
• M19: 14,356,758 km (0.106 R)
• M20: 14,666,426 km (0.045 R)
• M21: 15,235,197 km (0.105 R)
• M22: 17,446,552 km (0.095 R)
• M23: 17,941,721 km (0.029 R)
• M24: 18,228,800 km (0.083 R)
• M25: 18,446,165 km (0.069 R)
• M26: 24,988,080 km (0.095 R)
• M27: 25,346,068 km (0.071 R)
• M28: 29,812,462 km (0.103 R)
• M29: 37,627,455 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.8

Radius: 3.9

Gravity: 56.46 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.19 AU - 10.73 AU

Year: 18513 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,484,723 km

• M1: 48,470 km (0.116 R)
• M2: 179,667 km (0.075 R)
• M3: 599,738 km (0.097 R)
• M4: 1,021,005 km (0.083 R)
• M5: 1,324,689 km (0.094 R)
• M6: 1,668,166 km (0.097 R)
• M7: 2,529,251 km (0.067 R)
• M8: 3,387,494 km (0.089 R)
• M9: 6,327,092 km (0.081 R)
• M10: 12,517,003 km (0.08 R)
• M11: 13,578,999 km (0.102 R)
• M12: 15,880,861 km (0.115 R)
• M13: 17,465,701 km (0.108 R)
• M14: 18,075,312 km (0.12 R)
• M15: 20,945,796 km (0.057 R)
• M16: 24,861,221 km (0.113 R)
• M17: 39,623,539 km (0.057 R)
• M18: 41,589,255 km (0.112 R)
• M19: 42,987,696 km (0.054 R)
• M20: 46,371,899 km (0.079 R)
• M21: 47,035,964 km (0.056 R)
• M22: 47,706,462 km (0.08 R)
• M23: 68,091,864 km (0.106 R)
• M24: 71,345,319 km (0.094 R)
• M25: 72,008,187 km (0.09 R)
• M26: 74,928,188 km (0.109 R)
• M27: 75,156,025 km (0.051 R)
• M28: 77,926,129 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.5

Radius: 4.7

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.99 AU - 10.95 AU

Year: 20116 Days

Day: 17.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,484,723 km

• M1: 63,729 km (0.045 R)
• M2: 949,647 km (0.11 R)
• M3: 2,294,532 km (0.104 R)
• M4: 2,876,318 km (0.109 R)
• M5: 5,137,939 km (0.038 R)
• M6: 7,672,725 km (0.072 R)
• M7: 7,900,264 km (0.045 R)
• M8: 10,429,365 km (0.11 R)
• M9: 11,997,001 km (0.071 R)
• M10: 17,474,078 km (0.108 R)
• M11: 20,012,904 km (0.096 R)
• M12: 22,048,183 km (0.054 R)
• M13: 23,447,372 km (0.093 R)
• M14: 25,807,577 km (0.032 R)
• M15: 30,764,802 km (0.065 R)
• M16: 40,146,384 km (0.052 R)
• M17: 43,078,502 km (0.06 R)
• M18: 47,054,065 km (0.039 R)
• M19: 51,267,190 km (0.077 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: 311 - 13,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit