🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.78 AU

Year: 315 Days

Day: 28 Hours

Environment

Temp: -126 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.8

Radius: 12

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.73 AU - 0.95 AU

Year: 497 Days

Day: 14.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 52.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 31,432,269 km

• M1: 149,448 km (0.072 R)
• M2: 233,821 km (0.086 R)
• M3: 330,163 km (0.076 R)
• M4: 423,063 km (0.076 R)
• M5: 584,628 km (0.102 R)
• M6: 696,378 km (0.097 R)
• M7: 787,932 km (0.034 R)
• M8: 889,060 km (0.119 R)
• M9: 989,889 km (0.104 R)
• M10: 1,073,514 km (0.055 R)
• M11: 1,165,367 km (0.088 R)
• M12: 1,316,910 km (0.107 R)
• M13: 1,404,126 km (0.1 R)
• M14: 1,505,403 km (0.094 R)
• M15: 1,634,058 km (0.086 R)
• M16: 1,773,034 km (0.094 R)
• M17: 1,909,467 km (0.07 R)
• M18: 2,002,517 km (0.115 R)
• M19: 2,151,816 km (0.041 R)
• M20: 2,333,128 km (0.116 R)
• M21: 2,411,368 km (0.12 R)
• M22: 2,673,912 km (0.067 R)
• M23: 2,869,437 km (0.077 R)
• M24: 3,007,665 km (0.076 R)
• M25: 3,435,515 km (0.041 R)
• M26: 3,574,342 km (0.118 R)
• M27: 3,698,359 km (0.05 R)
• M28: 3,781,834 km (0.063 R)
• M29: 3,857,680 km (0.117 R)
• M30: 4,036,300 km (0.104 R)
• M31: 4,148,199 km (0.106 R)
• M32: 4,322,630 km (0.052 R)
• M33: 4,669,698 km (0.119 R)
• M34: 4,860,435 km (0.086 R)
• M35: 5,062,841 km (0.119 R)
• M36: 5,457,330 km (0.085 R)
• M37: 5,581,497 km (0.104 R)
• M38: 5,793,776 km (0.038 R)
• M39: 5,949,807 km (0.104 R)
• M40: 6,316,172 km (0.089 R)
• M41: 6,487,012 km (0.057 R)
• M42: 6,659,200 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.8

Radius: 11.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.02 AU - 1.22 AU

Year: 765 Days

Day: 11.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 31,432,269 km

• M1: 148,102 km (0.082 R)
• M2: 224,546 km (0.081 R)
• M3: 317,596 km (0.113 R)
• M4: 428,000 km (0.078 R)
• M5: 610,808 km (0.077 R)
• M6: 688,150 km (0.116 R)
• M7: 816,505 km (0.106 R)
• M8: 976,425 km (0.089 R)
• M9: 1,141,282 km (0.106 R)
• M10: 1,406,669 km (0.085 R)
• M11: 1,492,837 km (0.104 R)
• M12: 1,601,595 km (0.116 R)
• M13: 1,777,073 km (0.07 R)
• M14: 1,907,373 km (0.088 R)
• M15: 1,996,234 km (0.111 R)
• M16: 2,078,812 km (0.067 R)
• M17: 2,469,262 km (0.108 R)
• M18: 2,623,797 km (0.068 R)
• M19: 2,773,245 km (0.119 R)
• M20: 2,857,469 km (0.09 R)
• M21: 3,106,849 km (0.057 R)
• M22: 3,203,339 km (0.027 R)
• M23: 3,300,877 km (0.111 R)
• M24: 3,417,414 km (0.031 R)
• M25: 3,831,501 km (0.065 R)
• M26: 4,097,336 km (0.104 R)
• M27: 4,203,401 km (0.114 R)
• M28: 4,537,303 km (0.081 R)
• M29: 4,627,062 km (0.069 R)
• M30: 4,747,788 km (0.039 R)
• M31: 4,859,388 km (0.095 R)
• M32: 4,982,207 km (0.064 R)
• M33: 5,074,958 km (0.084 R)
• M34: 5,241,311 km (0.081 R)
• M35: 5,335,707 km (0.104 R)
• M36: 5,494,281 km (0.07 R)
• M37: 5,579,402 km (0.09 R)
• M38: 5,686,664 km (0.104 R)
• M39: 5,946,665 km (0.047 R)
• M40: 6,034,180 km (0.104 R)
• M41: 6,111,073 km (0.091 R)
• M42: 6,557,174 km (0.093 R)
• M43: 6,784,263 km (0.053 R)
• M44: 7,328,052 km (0.116 R)
• M45: 7,540,032 km (0.101 R)
• M46: 7,635,027 km (0.08 R)
• M47: 7,754,106 km (0.076 R)
• M48: 7,873,934 km (0.105 R)
• M49: 7,982,243 km (0.119 R)
• M50: 8,164,005 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 13

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.59 AU - 3.77 AU

Year: 3661 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 31,432,269 km

• M1: 187,895 km (0.05 R)
• M2: 290,818 km (0.038 R)
• M3: 419,772 km (0.096 R)
• M4: 508,334 km (0.101 R)
• M5: 615,296 km (0.067 R)
• M6: 879,785 km (0.108 R)
• M7: 1,026,391 km (0.072 R)
• M8: 1,155,344 km (0.049 R)
• M9: 1,517,222 km (0.069 R)
• M10: 1,605,933 km (0.09 R)
• M11: 1,804,450 km (0.112 R)
• M12: 1,979,030 km (0.083 R)
• M13: 2,328,042 km (0.119 R)
• M14: 2,414,061 km (0.106 R)
• M15: 2,607,341 km (0.099 R)
• M16: 3,198,851 km (0.061 R)
• M17: 3,353,236 km (0.038 R)
• M18: 3,490,418 km (0.104 R)
• M19: 3,892,836 km (0.1 R)
• M20: 4,589,513 km (0.11 R)
• M21: 4,720,262 km (0.12 R)
• M22: 5,052,967 km (0.111 R)
• M23: 5,165,614 km (0.066 R)
• M24: 5,324,637 km (0.108 R)
• M25: 5,439,379 km (0.051 R)
• M26: 5,531,680 km (0.113 R)
• M27: 5,717,930 km (0.075 R)
• M28: 6,001,119 km (0.084 R)
• M29: 6,144,583 km (0.062 R)
• M30: 6,630,776 km (0.103 R)
• M31: 6,928,625 km (0.048 R)
• M32: 7,230,813 km (0.097 R)
• M33: 7,460,446 km (0.115 R)
• M34: 7,744,233 km (0.109 R)
• M35: 8,057,940 km (0.048 R)
• M36: 8,942,213 km (0.107 R)
• M37: 9,188,900 km (0.054 R)
• M38: 9,885,577 km (0.089 R)
• M39: 10,083,644 km (0.107 R)
• M40: 10,340,504 km (0.061 R)
• M41: 10,541,564 km (0.049 R)
• M42: 10,947,871 km (0.095 R)
• M43: 11,064,857 km (0.075 R)
• M44: 11,507,517 km (0.052 R)
• M45: 12,106,656 km (0.102 R)
• M46: 12,746,786 km (0.045 R)
• M47: 12,931,689 km (0.051 R)
• M48: 13,055,406 km (0.034 R)
• M49: 13,617,445 km (0.058 R)
• M50: 13,901,382 km (0.113 R)
• M51: 14,700,384 km (0.085 R)
• M52: 15,056,577 km (0.095 R)
• M53: 15,744,727 km (0.097 R)
• M54: 16,275,949 km (0.071 R)
• M55: 17,732,733 km (0.062 R)
• M56: 17,835,956 km (0.082 R)
• M57: 18,008,292 km (0.115 R)
• M58: 18,563,899 km (0.079 R)
• M59: 18,668,617 km (0.104 R)
• M60: 18,808,641 km (0.117 R)
• M61: 19,195,501 km (0.077 R)
• M62: 19,870,038 km (0.116 R)
• M63: 20,696,865 km (0.119 R)
• M64: 21,205,648 km (0.101 R)
• M65: 21,718,619 km (0.051 R)
• M66: 22,013,626 km (0.044 R)
• M67: 22,309,830 km (0.109 R)
• M68: 22,421,280 km (0.092 R)
• M69: 23,697,500 km (0.097 R)
• M70: 24,153,474 km (0.072 R)
• M71: 25,151,441 km (0.083 R)
• M72: 25,850,213 km (0.095 R)
• M73: 26,084,633 km (0.079 R)
• M74: 26,202,067 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.2

Radius: 12.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.24 AU - 4.94 AU

Year: 5341 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 31,432,269 km

• M1: 215,421 km (0.039 R)
• M2: 436,826 km (0.118 R)
• M3: 774,767 km (0.088 R)
• M4: 865,573 km (0.117 R)
• M5: 1,361,640 km (0.094 R)
• M6: 1,457,981 km (0.076 R)
• M7: 1,778,719 km (0.101 R)
• M8: 1,938,639 km (0.096 R)
• M9: 2,029,594 km (0.082 R)
• M10: 2,292,288 km (0.03 R)
• M11: 2,408,376 km (0.088 R)
• M12: 2,851,036 km (0.068 R)
• M13: 3,018,436 km (0.104 R)
• M14: 3,103,408 km (0.113 R)
• M15: 3,341,268 km (0.114 R)
• M16: 3,451,372 km (0.109 R)
• M17: 3,927,393 km (0.115 R)
• M18: 4,256,359 km (0.106 R)
• M19: 4,352,101 km (0.098 R)
• M20: 4,545,681 km (0.069 R)
• M21: 4,941,367 km (0.102 R)
• M22: 6,113,616 km (0.107 R)
• M23: 6,745,069 km (0.061 R)
• M24: 7,054,437 km (0.113 R)
• M25: 7,804,222 km (0.062 R)
• M26: 7,951,426 km (0.083 R)
• M27: 8,308,367 km (0.09 R)
• M28: 8,488,782 km (0.103 R)
• M29: 10,299,365 km (0.047 R)
• M30: 10,525,856 km (0.101 R)
• M31: 10,688,618 km (0.091 R)
• M32: 11,314,685 km (0.107 R)
• M33: 11,414,766 km (0.043 R)
• M34: 11,716,356 km (0.103 R)
• M35: 12,020,638 km (0.099 R)
• M36: 12,361,870 km (0.095 R)
• M37: 13,793,971 km (0.116 R)
• M38: 14,367,080 km (0.086 R)
• M39: 14,583,997 km (0.073 R)
• M40: 14,802,111 km (0.083 R)
• M41: 15,945,787 km (0.102 R)
• M42: 16,095,385 km (0.104 R)
• M43: 16,358,378 km (0.082 R)
• M44: 16,509,322 km (0.104 R)
• M45: 16,622,867 km (0.105 R)
• M46: 17,003,144 km (0.107 R)
• M47: 17,117,736 km (0.112 R)
• M48: 17,347,818 km (0.095 R)
• M49: 17,772,227 km (0.092 R)
• M50: 17,888,614 km (0.081 R)
• M51: 18,161,032 km (0.046 R)
• M52: 18,513,335 km (0.119 R)
• M53: 18,947,169 km (0.075 R)
• M54: 19,384,294 km (0.076 R)
• M55: 19,905,044 km (0.105 R)
• M56: 20,025,919 km (0.12 R)
• M57: 20,674,725 km (0.027 R)
• M58: 20,756,256 km (0.104 R)
• M59: 21,083,576 km (0.084 R)
• M60: 21,660,724 km (0.056 R)
• M61: 21,826,479 km (0.1 R)
• M62: 22,410,210 km (0.067 R)
• M63: 22,536,022 km (0.11 R)
• M64: 22,746,207 km (0.104 R)
• M65: 22,872,467 km (0.056 R)
• M66: 23,380,502 km (0.09 R)
• M67: 23,550,594 km (0.056 R)
• M68: 23,721,136 km (0.102 R)
• M69: 24,278,238 km (0.077 R)
• M70: 24,364,257 km (0.086 R)
• M71: 25,448,991 km (0.054 R)
• M72: 25,536,506 km (0.05 R)
• M73: 25,843,331 km (0.047 R)
• M74: 26,019,258 km (0.047 R)
• M75: 26,638,145 km (0.116 R)
• M76: 28,342,513 km (0.097 R)
• M77: 29,024,829 km (0.069 R)
• M78: 29,712,680 km (0.09 R)
• M79: 29,989,287 km (0.084 R)
• M80: 30,127,964 km (0.114 R)
• M81: 30,684,767 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 13,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit