🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786

Radius: 9.1

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.6 AU - 0.86 AU

Year: 423 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,472,323 km

• M1: 113,096 km (0.099 R)
• M2: 531,372 km (0.114 R)
• M3: 829,670 km (0.107 R)
• M4: 1,267,842 km (0.049 R)
• M5: 1,895,405 km (0.111 R)
• M6: 2,271,344 km (0.117 R)
• M7: 2,575,627 km (0.109 R)
• M8: 3,151,728 km (0.085 R)
• M9: 3,458,404 km (0.097 R)
• M10: 4,215,818 km (0.106 R)
• M11: 5,159,182 km (0.102 R)
• M12: 5,758,172 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.9

Radius: 14.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.68 AU - 0.88 AU

Year: 467 Days

Day: 6.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,472,323 km

• M1: 175,329 km (0.083 R)
• M2: 717,322 km (0.056 R)
• M3: 1,162,974 km (0.049 R)
• M4: 1,621,192 km (0.095 R)
• M5: 2,130,872 km (0.053 R)
• M6: 2,601,058 km (0.117 R)
• M7: 3,117,769 km (0.1 R)
• M8: 3,572,547 km (0.086 R)
• M9: 4,100,178 km (0.09 R)
• M10: 4,664,312 km (0.117 R)
• M11: 6,498,382 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 8.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.98 AU - 3.88 AU

Year: 4309 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,472,323 km

• M1: 102,026 km (0.098 R)
• M2: 387,309 km (0.094 R)
• M3: 721,810 km (0.114 R)
• M4: 1,154,447 km (0.069 R)
• M5: 2,141,344 km (0.09 R)
• M6: 3,246,723 km (0.117 R)
• M7: 3,514,652 km (0.069 R)
• M8: 6,639,154 km (0.109 R)
• M9: 7,043,517 km (0.074 R)
• M10: 7,464,036 km (0.098 R)
• M11: 8,455,122 km (0.117 R)
• M12: 9,676,439 km (0.105 R)
• M13: 10,386,879 km (0.06 R)
• M14: 14,613,019 km (0.098 R)
• M15: 15,198,545 km (0.111 R)
• M16: 15,850,493 km (0.08 R)
• M17: 17,753,228 km (0.114 R)
• M18: 19,045,604 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.7

Radius: 13.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.77 AU - 4.47 AU

Year: 4671 Days

Day: 7.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,472,323 km

• M1: 163,660 km (0.113 R)
• M2: 864,227 km (0.092 R)
• M3: 1,470,547 km (0.099 R)
• M4: 2,169,319 km (0.082 R)
• M5: 2,664,936 km (0.057 R)
• M6: 3,216,354 km (0.093 R)
• M7: 3,843,468 km (0.116 R)
• M8: 4,936,431 km (0.097 R)
• M9: 5,371,910 km (0.061 R)
• M10: 7,068,948 km (0.108 R)
• M11: 7,767,271 km (0.038 R)
• M12: 8,320,634 km (0.091 R)
• M13: 11,399,956 km (0.059 R)
• M14: 12,460,306 km (0.117 R)
• M15: 13,065,878 km (0.116 R)
• M16: 14,610,476 km (0.112 R)
• M17: 16,273,705 km (0.075 R)
• M18: 17,492,329 km (0.045 R)
• M19: 18,187,810 km (0.085 R)
• M20: 19,099,759 km (0.084 R)
• M21: 23,891,528 km (0.111 R)
• M22: 27,356,963 km (0.067 R)
• M23: 29,253,564 km (0.096 R)
• M24: 29,874,994 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.3

Radius: 8.5

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.48 AU - 3.78 AU

Year: 4691 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,472,323 km

• M1: 105,766 km (0.113 R)
• M2: 383,569 km (0.028 R)
• M3: 656,435 km (0.04 R)
• M4: 1,094,308 km (0.078 R)
• M5: 1,437,636 km (0.113 R)
• M6: 1,784,553 km (0.081 R)
• M7: 2,110,976 km (0.092 R)
• M8: 2,410,470 km (0.108 R)
• M9: 3,929,038 km (0.081 R)
• M10: 4,237,509 km (0.094 R)
• M11: 6,873,424 km (0.1 R)
• M12: 7,609,146 km (0.078 R)
• M13: 8,710,336 km (0.075 R)
• M14: 9,957,533 km (0.103 R)
• M15: 11,272,499 km (0.083 R)
• M16: 12,045,621 km (0.11 R)
• M17: 14,132,960 km (0.075 R)
• M18: 15,730,366 km (0.066 R)
• M19: 16,087,605 km (0.105 R)
• M20: 16,633,787 km (0.108 R)
• M21: 17,318,048 km (0.117 R)
• M22: 18,281,309 km (0.118 R)
• M23: 20,174,021 km (0.108 R)
• M24: 21,457,571 km (0.099 R)
• M25: 23,872,679 km (0.095 R)
• M26: 24,663,004 km (0.073 R)
• M27: 25,064,824 km (0.09 R)
• M28: 25,716,472 km (0.061 R)
• M29: 27,395,409 km (0.066 R)
• M30: 28,525,172 km (0.097 R)
• M31: 28,878,822 km (0.118 R)
• M32: 29,957,722 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.5

Radius: 9.7

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.63 AU - 4.47 AU

Year: 5528 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,472,323 km

• M1: 121,025 km (0.118 R)
• M2: 639,381 km (0.116 R)
• M3: 970,591 km (0.12 R)
• M4: 1,514,678 km (0.085 R)
• M5: 2,032,885 km (0.08 R)
• M6: 2,852,981 km (0.095 R)
• M7: 3,275,296 km (0.066 R)
• M8: 6,175,550 km (0.092 R)
• M9: 11,420,601 km (0.059 R)
• M10: 11,769,612 km (0.091 R)
• M11: 12,912,839 km (0.058 R)
• M12: 15,540,227 km (0.085 R)
• M13: 16,093,141 km (0.113 R)
• M14: 17,173,088 km (0.092 R)
• M15: 21,372,449 km (0.12 R)
• M16: 22,520,314 km (0.12 R)
• M17: 23,069,787 km (0.049 R)
• M18: 23,467,717 km (0.116 R)
• M19: 25,526,633 km (0.039 R)
• M20: 27,435,651 km (0.101 R)
• M21: 27,792,592 km (0.119 R)
• M22: 28,607,451 km (0.078 R)
• M23: 28,974,564 km (0.064 R)
• M24: 32,124,796 km (0.111 R)
• M25: 32,721,093 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.1

Radius: 8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.22 AU - 6.72 AU

Year: 11162 Days

Day: 24.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,472,323 km

• M1: 101,577 km (0.116 R)
• M2: 432,188 km (0.109 R)
• M3: 703,110 km (0.088 R)
• M4: 1,464,414 km (0.103 R)
• M5: 2,274,636 km (0.11 R)
• M6: 3,194,064 km (0.082 R)
• M7: 3,939,810 km (0.102 R)
• M8: 4,196,819 km (0.095 R)
• M9: 4,590,710 km (0.103 R)
• M10: 5,117,594 km (0.105 R)
• M11: 5,367,572 km (0.074 R)
• M12: 6,874,920 km (0.1 R)
• M13: 7,353,035 km (0.032 R)
• M14: 7,636,074 km (0.068 R)
• M15: 10,213,196 km (0.115 R)
• M16: 11,295,986 km (0.066 R)
• M17: 12,503,240 km (0.062 R)
• M18: 13,476,674 km (0.054 R)
• M19: 14,062,798 km (0.096 R)
• M20: 16,041,380 km (0.089 R)
• M21: 17,500,707 km (0.12 R)
• M22: 20,126,598 km (0.041 R)
• M23: 20,472,169 km (0.104 R)
• M24: 21,677,330 km (0.096 R)
• M25: 23,764,071 km (0.067 R)
• M26: 25,334,250 km (0.054 R)
• M27: 26,062,941 km (0.083 R)
• M28: 26,805,395 km (0.105 R)
• M29: 28,506,024 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.9

Radius: 5.3

Gravity: 32.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.93 AU - 9.81 AU

Year: 17917 Days

Day: 19 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,472,323 km

• M1: 73,453 km (0.095 R)
• M2: 439,519 km (0.102 R)
• M3: 622,327 km (0.084 R)
• M4: 1,506,451 km (0.093 R)
• M5: 2,135,061 km (0.077 R)
• M6: 3,986,783 km (0.119 R)
• M7: 4,246,635 km (0.11 R)
• M8: 4,657,580 km (0.061 R)
• M9: 7,309,352 km (0.099 R)
• M10: 9,172,743 km (0.091 R)
• M11: 11,852,789 km (0.043 R)
• M12: 13,514,522 km (0.116 R)
• M13: 18,603,393 km (0.095 R)
• M14: 21,323,680 km (0.097 R)
• M15: 23,346,842 km (0.092 R)
• M16: 24,512,509 km (0.056 R)
• M17: 25,827,773 km (0.084 R)
• M18: 32,591,243 km (0.064 R)
• M19: 33,644,711 km (0.08 R)
• M20: 36,237,092 km (0.112 R)
• M21: 45,130,536 km (0.09 R)
• M22: 56,307,292 km (0.039 R)
• M23: 64,976,040 km (0.055 R)
• M24: 65,597,470 km (0.094 R)
• M25: 66,432,226 km (0.077 R)
• M26: 68,122,981 km (0.119 R)
• M27: 73,367,134 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 11,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit