🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.1

Radius: 8.5

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.1 AU - 1.58 AU

Year: 1018 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,042,274 km

• M1: 105,915 km (0.096 R)
• M2: 380,577 km (0.108 R)
• M3: 696,976 km (0.078 R)
• M4: 968,347 km (0.103 R)
• M5: 1,326,634 km (0.074 R)
• M6: 1,658,741 km (0.107 R)
• M7: 2,283,312 km (0.119 R)
• M8: 2,644,292 km (0.093 R)
• M9: 3,029,955 km (0.072 R)
• M10: 3,326,309 km (0.087 R)
• M11: 3,597,679 km (0.094 R)
• M12: 3,930,534 km (0.113 R)
• M13: 4,250,823 km (0.104 R)
• M14: 4,554,058 km (0.103 R)
• M15: 7,192,965 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 12.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.85 AU - 2.39 AU

Year: 2025 Days

Day: 10.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,042,274 km

• M1: 159,771 km (0.108 R)
• M2: 560,244 km (0.073 R)
• M3: 988,543 km (0.109 R)
• M4: 1,550,432 km (0.035 R)
• M5: 2,209,561 km (0.061 R)
• M6: 2,767,261 km (0.109 R)
• M7: 3,302,672 km (0.094 R)
• M8: 3,744,734 km (0.049 R)
• M9: 4,583,828 km (0.08 R)
• M10: 5,048,479 km (0.092 R)
• M11: 5,567,883 km (0.091 R)
• M12: 5,999,024 km (0.093 R)
• M13: 6,847,992 km (0.043 R)
• M14: 7,834,291 km (0.114 R)
• M15: 9,984,012 km (0.073 R)
• M16: 10,550,689 km (0.097 R)
• M17: 12,664,058 km (0.086 R)
• M18: 13,202,311 km (0.111 R)
• M19: 13,799,057 km (0.096 R)
• M20: 14,727,611 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.8

Radius: 12.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.76 AU - 2.86 AU

Year: 3090 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 93,042,274 km

• M1: 154,385 km (0.075 R)
• M2: 743,501 km (0.119 R)
• M3: 1,250,489 km (0.06 R)
• M4: 1,929,065 km (0.112 R)
• M5: 3,091,141 km (0.11 R)
• M6: 3,910,339 km (0.072 R)
• M7: 4,341,031 km (0.118 R)
• M8: 7,163,494 km (0.096 R)
• M9: 8,467,090 km (0.098 R)
• M10: 9,922,976 km (0.119 R)
• M11: 10,542,461 km (0.094 R)
• M12: 11,818,681 km (0.103 R)
• M13: 13,022,943 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.8

Radius: 11.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.18 AU - 5.08 AU

Year: 5506 Days

Day: 11.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,042,274 km

• M1: 144,063 km (0.12 R)
• M2: 1,262,606 km (0.12 R)
• M3: 1,796,222 km (0.056 R)
• M4: 3,689,083 km (0.066 R)
• M5: 4,373,643 km (0.12 R)
• M6: 5,046,385 km (0.093 R)
• M7: 5,786,894 km (0.091 R)
• M8: 6,712,307 km (0.119 R)
• M9: 10,620,252 km (0.05 R)
• M10: 16,297,940 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.3

Radius: 7.8

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.9 AU - 5.96 AU

Year: 9473 Days

Day: 23 Hours

Environment

Temp: -222 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 93,042,274 km

• M1: 96,939 km (0.117 R)
• M2: 358,736 km (0.108 R)
• M3: 730,935 km (0.056 R)
• M4: 1,599,800 km (0.08 R)
• M5: 1,911,861 km (0.1 R)
• M6: 2,245,913 km (0.094 R)
• M7: 2,516,685 km (0.067 R)
• M8: 2,941,543 km (0.096 R)
• M9: 3,667,691 km (0.119 R)
• M10: 5,070,620 km (0.081 R)
• M11: 5,402,727 km (0.114 R)
• M12: 5,714,040 km (0.102 R)
• M13: 7,163,045 km (0.066 R)
• M14: 9,275,068 km (0.088 R)
• M15: 9,521,755 km (0.091 R)
• M16: 15,018,130 km (0.054 R)
• M17: 18,042,102 km (0.1 R)
• M18: 18,504,808 km (0.108 R)
• M19: 19,054,730 km (0.095 R)
• M20: 20,769,720 km (0.083 R)
• M21: 21,621,530 km (0.079 R)
• M22: 22,055,962 km (0.103 R)
• M23: 24,976,262 km (0.108 R)
• M24: 26,429,905 km (0.106 R)
• M25: 26,926,719 km (0.105 R)
• M26: 27,328,689 km (0.083 R)
• M27: 32,469,021 km (0.072 R)
• M28: 34,552,022 km (0.117 R)
• M29: 35,505,708 km (0.072 R)
• M30: 41,067,159 km (0.114 R)
• M31: 43,500,368 km (0.115 R)
• M32: 51,220,366 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.3

Radius: 5

Gravity: 38.81 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.22 AU - 7.34 AU

Year: 11581 Days

Day: 18.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 93,042,274 km

• M1: 64,925 km (0.096 R)
• M2: 228,436 km (0.066 R)
• M3: 402,269 km (0.07 R)
• M4: 882,029 km (0.066 R)
• M5: 1,229,395 km (0.093 R)
• M6: 1,392,158 km (0.051 R)
• M7: 1,744,760 km (0.095 R)
• M8: 2,079,261 km (0.114 R)
• M9: 4,646,959 km (0.1 R)
• M10: 4,876,591 km (0.101 R)
• M11: 6,063,501 km (0.108 R)
• M12: 7,654,624 km (0.103 R)
• M13: 9,452,491 km (0.1 R)
• M14: 10,421,287 km (0.077 R)
• M15: 11,336,527 km (0.105 R)
• M16: 12,180,259 km (0.113 R)
• M17: 12,744,243 km (0.079 R)
• M18: 14,680,189 km (0.025 R)
• M19: 15,608,443 km (0.076 R)
• M20: 17,581,191 km (0.116 R)
• M21: 19,291,094 km (0.097 R)
• M22: 19,714,007 km (0.034 R)
• M23: 34,217,371 km (0.118 R)
• M24: 34,961,621 km (0.111 R)
• M25: 40,338,767 km (0.113 R)
• M26: 41,869,901 km (0.098 R)
• M27: 42,152,342 km (0.064 R)
• M28: 48,072,378 km (0.09 R)
• M29: 50,268,625 km (0.106 R)
• M30: 51,715,236 km (0.078 R)
• M31: 52,367,034 km (0.119 R)
• M32: 55,028,978 km (0.075 R)
• M33: 55,198,174 km (0.06 R)
• M34: 56,221,273 km (0.115 R)
• M35: 59,011,423 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.5

Radius: 6

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.19 AU - 8.53 AU

Year: 11787 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 93,042,274 km

• M1: 74,649 km (0.118 R)
• M2: 278,850 km (0.084 R)
• M3: 483,351 km (0.08 R)
• M4: 1,172,099 km (0.097 R)
• M5: 1,391,859 km (0.071 R)
• M6: 1,694,645 km (0.114 R)
• M7: 2,024,807 km (0.038 R)
• M8: 4,547,775 km (0.095 R)
• M9: 5,155,591 km (0.075 R)
• M10: 5,463,464 km (0.117 R)
• M11: 5,783,603 km (0.104 R)
• M12: 6,746,565 km (0.087 R)
• M13: 7,228,270 km (0.117 R)
• M14: 8,385,110 km (0.077 R)
• M15: 9,753,033 km (0.092 R)
• M16: 14,738,981 km (0.105 R)
• M17: 18,581,851 km (0.054 R)
• M18: 19,086,594 km (0.1 R)
• M19: 19,526,412 km (0.076 R)
• M20: 20,426,392 km (0.118 R)
• M21: 20,809,363 km (0.054 R)
• M22: 23,375,116 km (0.077 R)
• M23: 24,218,100 km (0.102 R)
• M24: 25,081,429 km (0.095 R)
• M25: 30,397,091 km (0.093 R)
• M26: 33,053,051 km (0.087 R)
• M27: 34,329,570 km (0.057 R)
• M28: 34,653,748 km (0.118 R)
• M29: 37,207,234 km (0.111 R)
• M30: 37,549,365 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.6

Radius: 6.9

Gravity: 20.76 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.86 AU - 11.26 AU

Year: 22512 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 93,042,274 km

• M1: 87,814 km (0.116 R)
• M2: 309,518 km (0.111 R)
• M3: 542,442 km (0.115 R)
• M4: 886,667 km (0.065 R)
• M5: 1,202,168 km (0.112 R)
• M6: 1,486,554 km (0.097 R)
• M7: 2,126,384 km (0.075 R)
• M8: 2,697,399 km (0.076 R)
• M9: 3,047,009 km (0.106 R)
• M10: 4,139,971 km (0.077 R)
• M11: 5,728,102 km (0.095 R)
• M12: 6,215,343 km (0.081 R)
• M13: 7,022,124 km (0.105 R)
• M14: 7,684,693 km (0.107 R)
• M15: 8,613,097 km (0.097 R)
• M16: 9,133,848 km (0.11 R)
• M17: 11,566,459 km (0.07 R)
• M18: 13,768,838 km (0.103 R)
• M19: 14,641,892 km (0.113 R)
• M20: 17,482,606 km (0.112 R)
• M21: 17,850,018 km (0.12 R)
• M22: 22,347,379 km (0.106 R)
• M23: 24,112,783 km (0.06 R)
• M24: 29,572,956 km (0.081 R)
• M25: 30,755,826 km (0.025 R)
• M26: 33,075,640 km (0.046 R)
• M27: 34,349,765 km (0.053 R)
• M28: 37,449,433 km (0.069 R)
• M29: 37,906,904 km (0.117 R)
• M30: 48,037,372 km (0.07 R)
• M31: 48,939,747 km (0.114 R)
• M32: 53,237,095 km (0.09 R)
• M33: 55,575,908 km (0.099 R)
• M34: 58,594,793 km (0.06 R)
• M35: 62,359,424 km (0.102 R)
• M36: 87,308,160 km (0.112 R)
• M37: 90,281,417 km (0.117 R)
• M38: 90,829,095 km (0.08 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 14,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit