🌌 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: 173

Radius: 13.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.45 AU - 0.69 AU

Year: 302 Days

Day: 5.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 87,365,255 km

• M1: 169,195 km (0.048 R)
• M2: 693,386 km (0.097 R)
• M3: 1,901,987 km (0.11 R)
• M4: 2,826,652 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.3

Radius: 13

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.56 AU - 0.76 AU

Year: 377 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,365,255 km

• M1: 161,715 km (0.111 R)
• M2: 626,665 km (0.093 R)
• M3: 1,449,005 km (0.072 R)
• M4: 1,986,510 km (0.078 R)
• M5: 3,842,870 km (0.098 R)
• M6: 4,873,300 km (0.088 R)
• M7: 5,470,196 km (0.114 R)

Asteroid Belt

Center: 1.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.5

Radius: 10.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.29 AU - 2.43 AU

Year: 2548 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,365,255 km

• M1: 133,292 km (0.099 R)
• M2: 539,600 km (0.09 R)
• M3: 1,398,740 km (0.04 R)
• M4: 1,848,431 km (0.098 R)
• M5: 2,276,431 km (0.118 R)
• M6: 2,844,454 km (0.044 R)
• M7: 3,334,985 km (0.112 R)
• M8: 3,862,767 km (0.091 R)
• M9: 4,404,909 km (0.118 R)
• M10: 5,405,569 km (0.044 R)
• M11: 5,885,330 km (0.085 R)
• M12: 6,577,968 km (0.099 R)
• M13: 7,069,397 km (0.12 R)
• M14: 7,497,396 km (0.055 R)
• M15: 8,095,040 km (0.05 R)
• M16: 8,659,772 km (0.111 R)
• M17: 10,512,990 km (0.028 R)
• M18: 11,455,008 km (0.085 R)
• M19: 12,046,518 km (0.115 R)
• M20: 13,900,185 km (0.082 R)
• M21: 14,391,764 km (0.071 R)
• M22: 16,082,369 km (0.094 R)
• M23: 16,674,179 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 13.3

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.2 AU - 3.94 AU

Year: 4741 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,365,255 km

• M1: 165,605 km (0.093 R)
• M2: 610,808 km (0.115 R)
• M3: 1,209,349 km (0.109 R)
• M4: 1,827,338 km (0.108 R)
• M5: 2,274,785 km (0.09 R)
• M6: 3,550,556 km (0.085 R)
• M7: 4,645,163 km (0.103 R)
• M8: 5,335,857 km (0.12 R)
• M9: 5,815,318 km (0.113 R)
• M10: 7,141,503 km (0.091 R)
• M11: 7,725,234 km (0.117 R)
• M12: 8,235,961 km (0.082 R)
• M13: 9,025,688 km (0.115 R)
• M14: 11,093,580 km (0.089 R)
• M15: 13,219,216 km (0.115 R)
• M16: 14,151,360 km (0.076 R)
• M17: 15,284,863 km (0.109 R)
• M18: 16,146,547 km (0.067 R)
• M19: 17,211,534 km (0.107 R)
• M20: 18,442,725 km (0.118 R)
• M21: 18,926,823 km (0.03 R)
• M22: 19,606,447 km (0.115 R)
• M23: 22,763,859 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.5

Radius: 13.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.6 AU - 5.84 AU

Year: 8383 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,365,255 km

• M1: 167,849 km (0.105 R)
• M2: 594,352 km (0.093 R)
• M3: 1,034,469 km (0.101 R)
• M4: 1,461,571 km (0.092 R)
• M5: 2,280,620 km (0.113 R)
• M6: 2,857,469 km (0.117 R)
• M7: 3,803,376 km (0.108 R)
• M8: 4,887,662 km (0.065 R)
• M9: 7,023,022 km (0.113 R)
• M10: 10,113,714 km (0.112 R)
• M11: 11,088,793 km (0.039 R)
• M12: 11,681,350 km (0.099 R)
• M13: 12,181,904 km (0.052 R)
• M14: 12,696,670 km (0.085 R)
• M15: 13,526,490 km (0.108 R)
• M16: 17,354,251 km (0.077 R)
• M17: 19,361,106 km (0.06 R)
• M18: 20,301,029 km (0.056 R)
• M19: 21,025,831 km (0.063 R)
• M20: 22,102,936 km (0.112 R)
• M21: 22,698,036 km (0.118 R)
• M22: 29,048,615 km (0.067 R)
• M23: 31,868,535 km (0.119 R)
• M24: 36,022,868 km (0.091 R)
• M25: 39,149,464 km (0.098 R)
• M26: 40,021,320 km (0.099 R)
• M27: 41,545,722 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.5

Radius: 6.4

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.1 AU - 8.02 AU

Year: 11810 Days

Day: 18.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,365,255 km

• M1: 79,586 km (0.061 R)
• M2: 362,924 km (0.105 R)
• M3: 618,587 km (0.098 R)
• M4: 860,487 km (0.089 R)
• M5: 1,143,377 km (0.118 R)
• M6: 2,516,087 km (0.101 R)
• M7: 2,735,696 km (0.085 R)
• M8: 3,077,976 km (0.103 R)
• M9: 5,331,818 km (0.107 R)
• M10: 5,661,980 km (0.057 R)
• M11: 6,218,634 km (0.083 R)
• M12: 8,281,140 km (0.113 R)
• M13: 9,043,939 km (0.079 R)
• M14: 11,777,990 km (0.112 R)
• M15: 15,743,680 km (0.114 R)
• M16: 17,194,031 km (0.102 R)
• M17: 18,581,103 km (0.085 R)
• M18: 20,920,514 km (0.104 R)
• M19: 24,245,776 km (0.073 R)
• M20: 25,706,300 km (0.054 R)
• M21: 26,174,541 km (0.116 R)
• M22: 29,002,838 km (0.084 R)
• M23: 33,896,783 km (0.11 R)
• M24: 34,459,720 km (0.108 R)
• M25: 39,437,439 km (0.089 R)
• M26: 43,536,720 km (0.097 R)
• M27: 45,416,118 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.1

Radius: 3.7

Gravity: 44.93 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.52 AU - 10.46 AU

Year: 18947 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,365,255 km

• M1: 47,572 km (0.105 R)
• M2: 184,155 km (0.099 R)
• M3: 501,302 km (0.11 R)
• M4: 673,639 km (0.113 R)
• M5: 1,219,372 km (0.055 R)
• M6: 1,438,832 km (0.115 R)
• M7: 1,937,592 km (0.098 R)
• M8: 3,292,799 km (0.11 R)
• M9: 3,458,703 km (0.064 R)
• M10: 6,156,401 km (0.116 R)
• M11: 7,581,919 km (0.076 R)
• M12: 7,969,976 km (0.069 R)
• M13: 10,053,276 km (0.12 R)
• M14: 14,876,611 km (0.08 R)
• M15: 19,658,955 km (0.098 R)
• M16: 23,494,794 km (0.118 R)
• M17: 50,268,176 km (0.082 R)
• M18: 57,147,883 km (0.112 R)
• M19: 59,573,462 km (0.108 R)
• M20: 62,847,711 km (0.114 R)
• M21: 70,596,133 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.4

Radius: 6.5

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.35 AU - 10.11 AU

Year: 21334 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,365,255 km

• M1: 80,783 km (0.07 R)
• M2: 625,469 km (0.079 R)
• M3: 980,764 km (0.107 R)
• M4: 1,297,462 km (0.067 R)
• M5: 1,733,839 km (0.065 R)
• M6: 2,417,651 km (0.058 R)
• M7: 2,722,083 km (0.084 R)
• M8: 4,041,686 km (0.096 R)
• M9: 4,369,754 km (0.096 R)
• M10: 4,609,858 km (0.097 R)
• M11: 6,370,476 km (0.038 R)
• M12: 8,069,010 km (0.052 R)
• M13: 8,589,760 km (0.041 R)
• M14: 9,356,300 km (0.118 R)
• M15: 13,163,117 km (0.119 R)
• M16: 15,963,290 km (0.117 R)
• M17: 16,783,086 km (0.109 R)
• M18: 20,535,150 km (0.072 R)
• M19: 24,273,302 km (0.117 R)
• M20: 33,855,793 km (0.113 R)
• M21: 39,622,193 km (0.047 R)
• M22: 41,121,612 km (0.087 R)
• M23: 43,126,972 km (0.091 R)
• M24: 43,756,928 km (0.087 R)
• M25: 47,331,719 km (0.092 R)
• M26: 50,050,511 km (0.12 R)
• M27: 51,801,703 km (0.04 R)
• M28: 52,871,777 km (0.071 R)
• M29: 57,489,265 km (0.094 R)
• M30: 63,579,095 km (0.085 R)
• M31: 65,217,641 km (0.09 R)
• M32: 67,094,495 km (0.074 R)
• M33: 69,436,899 km (0.079 R)
• M34: 72,496,325 km (0.099 R)
• M35: 72,718,179 km (0.101 R)
• M36: 77,021,062 km (0.181 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.4

Radius: 4.3

Gravity: 47.07 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.5 AU - 12.26 AU

Year: 21829 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,365,255 km

• M1: 65,823 km (0.1 R)
• M2: 208,091 km (0.106 R)
• M3: 417,827 km (0.071 R)
• M4: 671,395 km (0.058 R)
• M5: 1,186,610 km (0.072 R)
• M6: 1,771,987 km (0.057 R)
• M7: 1,929,364 km (0.09 R)
• M8: 2,074,623 km (0.106 R)
• M9: 2,530,747 km (0.029 R)
• M10: 3,515,550 km (0.087 R)
• M11: 3,733,215 km (0.055 R)
• M12: 5,810,680 km (0.099 R)
• M13: 6,430,315 km (0.083 R)
• M14: 7,491,113 km (0.105 R)
• M15: 10,325,694 km (0.044 R)
• M16: 17,803,792 km (0.064 R)
• M17: 19,102,003 km (0.093 R)
• M18: 20,963,150 km (0.04 R)
• M19: 23,265,162 km (0.116 R)
• M20: 23,920,999 km (0.099 R)
• M21: 26,431,401 km (0.068 R)
• M22: 28,736,255 km (0.113 R)
• M23: 29,364,267 km (0.112 R)
• M24: 40,225,521 km (0.104 R)
• M25: 42,612,953 km (0.027 R)
• M26: 47,145,320 km (0.073 R)
• M27: 52,360,003 km (0.065 R)
• M28: 52,546,402 km (0.098 R)
• M29: 59,351,459 km (0.118 R)
• M30: 62,230,171 km (0.109 R)
• M31: 63,703,710 km (0.097 R)
• M32: 68,264,052 km (0.084 R)
• M33: 70,283,324 km (0.117 R)
• M34: 75,861,978 km (0.08 R)
• M35: 77,785,208 km (0.032 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 18,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit