🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.8

Radius: 14.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.17 AU - 1.29 AU

Year: 881 Days

Day: 5.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,205,216 km

• M1: 182,061 km (0.044 R)
• M2: 807,081 km (0.116 R)
• M3: 1,269,188 km (0.074 R)
• M4: 1,753,137 km (0.07 R)
• M5: 2,659,252 km (0.112 R)
• M6: 3,386,746 km (0.117 R)
• M7: 4,344,173 km (0.05 R)
• M8: 6,569,291 km (0.102 R)
• M9: 7,121,158 km (0.04 R)
• M10: 7,804,072 km (0.071 R)
• M11: 8,344,569 km (0.111 R)
• M12: 9,301,397 km (0.115 R)
• M13: 9,880,191 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.8

Radius: 13.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.66 AU - 2.02 AU

Year: 1612 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,205,216 km

• M1: 168,746 km (0.041 R)
• M2: 778,657 km (0.082 R)
• M3: 1,272,928 km (0.1 R)
• M4: 1,941,780 km (0.117 R)
• M5: 2,443,083 km (0.072 R)
• M6: 2,952,314 km (0.115 R)
• M7: 3,488,622 km (0.101 R)
• M8: 4,563,034 km (0.097 R)
• M9: 5,187,456 km (0.071 R)
• M10: 5,931,256 km (0.087 R)
• M11: 7,071,940 km (0.093 R)
• M12: 7,632,035 km (0.089 R)
• M13: 8,065,120 km (0.105 R)
• M14: 8,786,631 km (0.098 R)
• M15: 9,262,801 km (0.084 R)
• M16: 10,024,404 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.6

Radius: 10.9

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.51 AU - 2.33 AU

Year: 1718 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,205,216 km

• M1: 135,536 km (0.087 R)
• M2: 547,827 km (0.087 R)
• M3: 1,199,326 km (0.09 R)
• M4: 1,555,369 km (0.093 R)
• M5: 2,017,178 km (0.112 R)
• M6: 3,126,147 km (0.101 R)
• M7: 4,129,350 km (0.115 R)
• M8: 5,133,900 km (0.087 R)
• M9: 5,970,601 km (0.03 R)
• M10: 6,577,220 km (0.106 R)
• M11: 7,004,172 km (0.097 R)
• M12: 7,477,949 km (0.098 R)
• M13: 9,061,592 km (0.079 R)
• M14: 10,712,105 km (0.057 R)
• M15: 11,532,051 km (0.096 R)
• M16: 12,393,286 km (0.118 R)
• M17: 13,254,820 km (0.078 R)
• M18: 14,287,793 km (0.087 R)
• M19: 14,688,716 km (0.12 R)
• M20: 15,747,569 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.6

Radius: 10.5

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.43 AU - 3.17 AU

Year: 3025 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,205,216 km

• M1: 130,599 km (0.075 R)
• M2: 457,769 km (0.117 R)
• M3: 1,135,747 km (0.074 R)
• M4: 1,666,969 km (0.055 R)
• M5: 2,344,498 km (0.113 R)
• M6: 3,320,923 km (0.112 R)
• M7: 4,438,270 km (0.052 R)
• M8: 5,896,101 km (0.054 R)
• M9: 6,618,210 km (0.111 R)
• M10: 7,001,031 km (0.106 R)
• M11: 8,543,983 km (0.047 R)
• M12: 9,069,670 km (0.116 R)
• M13: 12,290,063 km (0.03 R)
• M14: 13,327,824 km (0.071 R)
• M15: 16,097,928 km (0.112 R)
• M16: 20,380,316 km (0.108 R)
• M17: 20,877,729 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 11.1

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.31 AU - 4.21 AU

Year: 4708 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,205,216 km

• M1: 138,079 km (0.057 R)
• M2: 498,311 km (0.114 R)
• M3: 986,299 km (0.12 R)
• M4: 1,788,443 km (0.045 R)
• M5: 2,642,796 km (0.086 R)
• M6: 4,520,848 km (0.031 R)
• M7: 6,126,332 km (0.036 R)
• M8: 6,501,075 km (0.118 R)
• M9: 7,541,079 km (0.096 R)
• M10: 7,899,216 km (0.084 R)
• M11: 10,645,235 km (0.096 R)
• M12: 12,429,489 km (0.114 R)
• M13: 13,032,219 km (0.059 R)
• M14: 16,883,616 km (0.113 R)
• M15: 19,100,955 km (0.093 R)
• M16: 19,633,823 km (0.039 R)
• M17: 20,039,981 km (0.101 R)
• M18: 22,743,963 km (0.114 R)
• M19: 23,342,803 km (0.035 R)
• M20: 23,952,115 km (0.118 R)
• M21: 24,807,067 km (0.106 R)
• M22: 26,908,917 km (0.086 R)
• M23: 28,003,225 km (0.118 R)
• M24: 28,952,125 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.2

Radius: 10.2

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.62 AU - 5.08 AU

Year: 5858 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,205,216 km

• M1: 127,158 km (0.097 R)
• M2: 609,611 km (0.075 R)
• M3: 1,390,512 km (0.102 R)
• M4: 1,825,543 km (0.092 R)
• M5: 3,522,282 km (0.103 R)
• M6: 4,288,373 km (0.071 R)
• M7: 4,821,390 km (0.069 R)
• M8: 8,744,145 km (0.113 R)
• M9: 9,166,460 km (0.082 R)
• M10: 9,646,819 km (0.118 R)
• M11: 10,562,956 km (0.103 R)
• M12: 11,336,975 km (0.06 R)
• M13: 11,737,898 km (0.095 R)
• M14: 13,271,126 km (0.064 R)
• M15: 19,655,215 km (0.044 R)
• M16: 20,234,458 km (0.106 R)
• M17: 22,430,406 km (0.114 R)
• M18: 23,545,358 km (0.118 R)
• M19: 24,530,161 km (0.091 R)
• M20: 26,319,202 km (0.109 R)
• M21: 27,111,921 km (0.077 R)
• M22: 28,468,475 km (0.081 R)
• M23: 28,837,832 km (0.107 R)
• M24: 29,964,753 km (0.115 R)
• M25: 34,349,167 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.5

Radius: 6.2

Gravity: 17.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.29 AU - 10.35 AU

Year: 21406 Days

Day: 18.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 102.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,205,216 km

• M1: 77,492 km (0.087 R)
• M2: 628,461 km (0.105 R)
• M3: 942,915 km (0.115 R)
• M4: 1,373,757 km (0.039 R)
• M5: 1,814,173 km (0.105 R)
• M6: 2,027,051 km (0.105 R)
• M7: 2,344,348 km (0.096 R)
• M8: 3,214,709 km (0.107 R)
• M9: 3,830,753 km (0.097 R)
• M10: 5,028,284 km (0.088 R)
• M11: 5,411,853 km (0.092 R)
• M12: 5,691,900 km (0.078 R)
• M13: 6,500,925 km (0.092 R)
• M14: 7,432,770 km (0.115 R)
• M15: 9,791,181 km (0.094 R)
• M16: 10,207,362 km (0.091 R)
• M17: 11,461,890 km (0.085 R)
• M18: 11,857,426 km (0.104 R)
• M19: 12,606,313 km (0.112 R)
• M20: 13,386,167 km (0.096 R)
• M21: 16,081,771 km (0.062 R)
• M22: 16,829,162 km (0.104 R)
• M23: 18,037,614 km (0.115 R)
• M24: 21,113,196 km (0.11 R)
• M25: 21,310,067 km (0.061 R)
• M26: 22,414,997 km (0.059 R)
• M27: 24,197,007 km (0.079 R)
• M28: 24,847,907 km (0.11 R)
• M29: 25,067,517 km (0.079 R)
• M30: 28,397,865 km (0.112 R)
• M31: 29,982,256 km (0.045 R)
• M32: 32,271,851 km (0.108 R)
• M33: 34,402,723 km (0.12 R)
• M34: 36,201,638 km (0.095 R)
• M35: 36,767,566 km (0.117 R)
• M36: 37,339,329 km (0.082 R)
• M37: 39,090,372 km (0.082 R)
• M38: 43,387,422 km (0.116 R)
• M39: 52,363,144 km (0.114 R)
• M40: 65,799,576 km (0.091 R)
• M41: 72,967,409 km (0.111 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: 389 - 19,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit