🌌 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 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.46 AU - 0.7 AU

Year: 281 Days

Day: 21.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.8

Radius: 11.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.72 AU - 0.76 AU

Year: 405 Days

Day: 13.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,273,102 km

• M1: 145,559 km (0.088 R)
• M2: 567,874 km (0.114 R)
• M3: 1,084,884 km (0.068 R)
• M4: 1,502,262 km (0.102 R)
• M5: 1,872,367 km (0.119 R)
• M6: 2,402,093 km (0.105 R)
• M7: 2,782,820 km (0.048 R)
• M8: 3,192,867 km (0.097 R)
• M9: 3,655,723 km (0.119 R)
• M10: 4,084,022 km (0.097 R)
• M11: 4,775,164 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.7

Radius: 9.7

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.66 AU - 4.02 AU

Year: 4784 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,273,102 km

• M1: 122,221 km (0.103 R)
• M2: 448,046 km (0.102 R)
• M3: 798,105 km (0.064 R)
• M4: 1,389,465 km (0.082 R)
• M5: 1,726,359 km (0.091 R)
• M6: 2,328,491 km (0.085 R)
• M7: 2,899,057 km (0.074 R)
• M8: 4,016,852 km (0.068 R)
• M9: 4,586,222 km (0.102 R)
• M10: 7,245,623 km (0.092 R)
• M11: 7,695,165 km (0.111 R)
• M12: 8,765,238 km (0.12 R)
• M13: 9,235,873 km (0.116 R)
• M14: 9,764,702 km (0.093 R)
• M15: 10,838,665 km (0.116 R)
• M16: 11,381,107 km (0.076 R)
• M17: 12,668,247 km (0.081 R)
• M18: 13,118,088 km (0.114 R)
• M19: 14,049,933 km (0.078 R)
• M20: 15,472,758 km (0.093 R)
• M21: 16,512,613 km (0.044 R)
• M22: 18,221,769 km (0.104 R)
• M23: 19,054,131 km (0.116 R)
• M24: 19,381,003 km (0.051 R)
• M25: 23,977,547 km (0.102 R)
• M26: 27,140,494 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.7

Radius: 13.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.55 AU - 4.49 AU

Year: 5125 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,273,102 km

• M1: 169,345 km (0.095 R)
• M2: 650,601 km (0.053 R)
• M3: 1,164,320 km (0.094 R)
• M4: 1,800,410 km (0.089 R)
• M5: 2,332,979 km (0.057 R)
• M6: 3,557,886 km (0.119 R)
• M7: 4,314,103 km (0.101 R)
• M8: 6,177,195 km (0.094 R)
• M9: 7,710,125 km (0.113 R)
• M10: 8,826,873 km (0.088 R)
• M11: 11,651,580 km (0.098 R)
• M12: 13,469,044 km (0.11 R)
• M13: 14,288,392 km (0.111 R)
• M14: 14,817,071 km (0.095 R)
• M15: 15,745,924 km (0.064 R)
• M16: 20,579,730 km (0.04 R)
• M17: 24,029,607 km (0.103 R)
• M18: 24,778,344 km (0.112 R)
• M19: 25,234,917 km (0.073 R)
• M20: 25,774,816 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.1

Radius: 13.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.14 AU - 4.9 AU

Year: 6110 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,273,102 km

• M1: 170,392 km (0.114 R)
• M2: 945,010 km (0.038 R)
• M3: 1,576,762 km (0.08 R)
• M4: 2,107,834 km (0.076 R)
• M5: 2,740,184 km (0.108 R)
• M6: 3,846,311 km (0.072 R)
• M7: 4,365,116 km (0.107 R)
• M8: 4,797,753 km (0.055 R)
• M9: 5,231,438 km (0.11 R)
• M10: 5,931,256 km (0.031 R)
• M11: 7,341,067 km (0.034 R)
• M12: 8,143,958 km (0.086 R)
• M13: 8,883,720 km (0.111 R)
• M14: 10,723,774 km (0.064 R)
• M15: 11,758,093 km (0.11 R)
• M16: 12,857,787 km (0.03 R)
• M17: 13,861,739 km (0.113 R)
• M18: 15,552,494 km (0.104 R)
• M19: 16,145,649 km (0.06 R)
• M20: 18,670,413 km (0.111 R)
• M21: 20,943,104 km (0.112 R)
• M22: 26,198,028 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 10.3

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.79 AU - 6.93 AU

Year: 9019 Days

Day: 5.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,273,102 km

• M1: 130,898 km (0.098 R)
• M2: 455,974 km (0.092 R)
• M3: 807,679 km (0.08 R)
• M4: 1,180,327 km (0.112 R)
• M5: 1,682,976 km (0.088 R)
• M6: 2,306,949 km (0.088 R)
• M7: 3,208,426 km (0.111 R)
• M8: 4,275,956 km (0.042 R)
• M9: 4,833,358 km (0.108 R)
• M10: 7,920,459 km (0.098 R)
• M11: 8,718,863 km (0.104 R)
• M12: 11,858,773 km (0.067 R)
• M13: 14,674,953 km (0.025 R)
• M14: 15,047,900 km (0.073 R)
• M15: 16,337,135 km (0.083 R)
• M16: 17,768,487 km (0.072 R)
• M17: 19,880,360 km (0.045 R)
• M18: 20,801,285 km (0.119 R)
• M19: 22,481,119 km (0.118 R)
• M20: 23,144,137 km (0.072 R)
• M21: 28,539,833 km (0.047 R)
• M22: 31,220,477 km (0.099 R)
• M23: 32,150,078 km (0.109 R)
• M24: 38,943,467 km (0.072 R)
• M25: 40,383,945 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.3

Radius: 3.9

Gravity: 57.42 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.99 AU - 7.21 AU

Year: 12029 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,273,102 km

• M1: 48,619 km (0.105 R)
• M2: 180,565 km (0.1 R)
• M3: 357,988 km (0.062 R)
• M4: 753,824 km (0.119 R)
• M5: 1,296,864 km (0.114 R)
• M6: 2,083,450 km (0.086 R)
• M7: 2,377,559 km (0.119 R)
• M8: 2,545,408 km (0.082 R)
• M9: 2,698,596 km (0.052 R)
• M10: 2,975,801 km (0.051 R)
• M11: 4,400,272 km (0.089 R)
• M12: 4,621,527 km (0.113 R)
• M13: 4,783,990 km (0.043 R)
• M14: 6,264,261 km (0.119 R)
• M15: 7,001,330 km (0.079 R)
• M16: 7,259,237 km (0.104 R)
• M17: 8,645,411 km (0.104 R)
• M18: 8,793,064 km (0.094 R)
• M19: 10,253,588 km (0.09 R)
• M20: 16,478,804 km (0.05 R)
• M21: 17,714,482 km (0.113 R)
• M22: 18,517,374 km (0.059 R)
• M23: 19,766,666 km (0.108 R)
• M24: 20,542,780 km (0.11 R)
• M25: 22,617,702 km (0.068 R)
• M26: 24,729,276 km (0.047 R)
• M27: 28,029,704 km (0.089 R)
• M28: 28,570,501 km (0.107 R)
• M29: 30,689,405 km (0.071 R)
• M30: 31,962,632 km (0.103 R)
• M31: 37,019,040 km (0.051 R)
• M32: 42,158,176 km (0.095 R)
• M33: 48,834,729 km (0.107 R)
• M34: 50,408,349 km (0.12 R)
• M35: 53,822,322 km (0.101 R)
• M36: 58,785,680 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.5

Radius: 3.5

Gravity: 75.31 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.6 AU - 10.58 AU

Year: 16007 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 80,273,102 km

• M1: 43,832 km (0.082 R)
• M2: 357,090 km (0.1 R)
• M3: 487,240 km (0.074 R)
• M4: 649,105 km (0.06 R)
• M5: 924,365 km (0.086 R)
• M6: 1,134,401 km (0.105 R)
• M7: 1,330,523 km (0.039 R)
• M8: 1,632,562 km (0.056 R)
• M9: 1,827,338 km (0.052 R)
• M10: 2,077,316 km (0.117 R)
• M11: 2,306,201 km (0.053 R)
• M12: 3,254,950 km (0.112 R)
• M13: 3,860,971 km (0.105 R)
• M14: 4,206,842 km (0.087 R)
• M15: 4,960,067 km (0.089 R)
• M16: 5,180,125 km (0.116 R)
• M17: 6,252,144 km (0.063 R)
• M18: 8,984,100 km (0.101 R)
• M19: 11,253,500 km (0.097 R)
• M20: 11,442,442 km (0.111 R)
• M21: 12,021,834 km (0.119 R)
• M22: 14,911,018 km (0.082 R)
• M23: 15,446,429 km (0.072 R)
• M24: 15,836,730 km (0.093 R)
• M25: 17,296,207 km (0.08 R)
• M26: 22,011,382 km (0.078 R)
• M27: 26,615,256 km (0.114 R)
• M28: 27,973,755 km (0.111 R)
• M29: 30,583,190 km (0.104 R)
• M30: 30,705,412 km (0.11 R)
• M31: 31,074,320 km (0.06 R)
• M32: 34,927,662 km (0.114 R)
• M33: 35,870,428 km (0.102 R)
• M34: 36,829,949 km (0.111 R)
• M35: 37,107,303 km (0.092 R)
• M36: 47,384,677 km (0.088 R)
• M37: 47,548,486 km (0.085 R)
• M38: 49,712,569 km (0.055 R)
• M39: 54,235,810 km (0.1 R)
• M40: 61,913,323 km (0.104 R)
• M41: 66,932,780 km (0.093 R)
• M42: 69,435,702 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.9

Radius: 6.9

Gravity: 15.12 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.95 AU - 11.73 AU

Year: 21140 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,273,102 km

• M1: 85,869 km (0.033 R)
• M2: 330,312 km (0.071 R)
• M3: 671,246 km (0.029 R)
• M4: 1,612,067 km (0.047 R)
• M5: 2,250,850 km (0.108 R)
• M6: 2,713,406 km (0.066 R)
• M7: 3,100,416 km (0.066 R)
• M8: 4,661,769 km (0.115 R)
• M9: 4,915,936 km (0.075 R)
• M10: 6,328,738 km (0.079 R)
• M11: 10,660,344 km (0.041 R)
• M12: 13,281,897 km (0.117 R)
• M13: 13,499,861 km (0.04 R)
• M14: 15,014,241 km (0.077 R)
• M15: 15,812,345 km (0.087 R)
• M16: 18,108,373 km (0.071 R)
• M17: 19,568,897 km (0.078 R)
• M18: 20,714,817 km (0.094 R)
• M19: 25,410,694 km (0.099 R)
• M20: 25,746,841 km (0.098 R)
• M21: 27,708,069 km (0.117 R)
• M22: 29,273,461 km (0.116 R)
• M23: 37,701,506 km (0.082 R)
• M24: 58,737,360 km (0.102 R)
• M25: 65,420,794 km (0.062 R)
• M26: 66,475,759 km (0.034 R)
• M27: 66,900,916 km (0.089 R)
• M28: 68,619,496 km (0.112 R)
• M29: 70,367,398 km (0.032 R)
• M30: 73,044,452 km (0.119 R)
• M31: 76,252,727 km (0.073 R)
• M32: 76,718,575 km (0.037 R)
• M33: 78,600,965 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 13,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit