🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.57 AU - 0.61 AU

Year: 288 Days

Day: 40 Hours

Environment

Temp: -136 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,262,734 km

• M1: 131,796 km (0.116 R)
• M2: 666,010 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.3

Radius: 12.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.71 AU - 0.79 AU

Year: 413 Days

Day: 7.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,262,734 km

• M1: 160,818 km (0.114 R)
• M2: 251,773 km (0.115 R)
• M3: 331,359 km (0.081 R)
• M4: 458,069 km (0.082 R)
• M5: 543,190 km (0.119 R)
• M6: 635,193 km (0.12 R)
• M7: 727,046 km (0.078 R)
• M8: 840,890 km (0.104 R)
• M9: 933,192 km (0.114 R)
• M10: 1,054,964 km (0.104 R)
• M11: 1,140,684 km (0.037 R)
• M12: 1,248,394 km (0.076 R)
• M13: 1,331,571 km (0.114 R)
• M14: 1,478,775 km (0.067 R)
• M15: 1,610,122 km (0.109 R)
• M16: 1,705,865 km (0.078 R)
• M17: 1,785,600 km (0.096 R)
• M18: 1,986,211 km (0.076 R)
• M19: 2,094,071 km (0.117 R)
• M20: 2,189,664 km (0.09 R)
• M21: 2,281,667 km (0.12 R)
• M22: 2,375,165 km (0.075 R)
• M23: 2,485,120 km (0.055 R)
• M24: 2,612,128 km (0.097 R)
• M25: 2,699,793 km (0.119 R)
• M26: 2,793,591 km (0.095 R)
• M27: 2,883,349 km (0.092 R)
• M28: 3,017,090 km (0.038 R)
• M29: 3,147,539 km (0.08 R)
• M30: 3,229,968 km (0.062 R)
• M31: 3,357,874 km (0.119 R)
• M32: 3,578,680 km (0.048 R)
• M33: 3,664,849 km (0.087 R)
• M34: 3,845,413 km (0.113 R)
• M35: 3,933,676 km (0.102 R)
• M36: 4,142,664 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.7

Radius: 12.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.27 AU - 1.91 AU

Year: 1275 Days

Day: 9.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,262,734 km

• M1: 155,881 km (0.096 R)
• M2: 303,983 km (0.036 R)
• M3: 390,899 km (0.077 R)
• M4: 470,635 km (0.1 R)
• M5: 557,850 km (0.106 R)
• M6: 879,935 km (0.074 R)
• M7: 1,051,523 km (0.057 R)
• M8: 1,153,699 km (0.087 R)
• M9: 1,313,469 km (0.069 R)
• M10: 1,439,730 km (0.105 R)
• M11: 1,522,906 km (0.058 R)
• M12: 1,634,506 km (0.096 R)
• M13: 1,726,958 km (0.083 R)
• M14: 1,826,889 km (0.096 R)
• M15: 2,144,635 km (0.103 R)
• M16: 2,381,000 km (0.111 R)
• M17: 2,492,899 km (0.095 R)
• M18: 2,645,040 km (0.1 R)
• M19: 2,872,578 km (0.087 R)
• M20: 3,312,396 km (0.118 R)
• M21: 3,423,846 km (0.083 R)
• M22: 3,529,612 km (0.084 R)
• M23: 3,650,936 km (0.088 R)
• M24: 3,751,765 km (0.07 R)
• M25: 3,890,293 km (0.07 R)
• M26: 4,037,796 km (0.1 R)
• M27: 4,119,925 km (0.117 R)
• M28: 4,240,202 km (0.104 R)
• M29: 4,376,935 km (0.104 R)
• M30: 4,499,605 km (0.086 R)
• M31: 4,670,446 km (0.048 R)
• M32: 4,883,024 km (0.11 R)
• M33: 5,399,586 km (0.091 R)
• M34: 5,664,523 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.7

Radius: 8.6

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.87 AU - 4.59 AU

Year: 4580 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 68,262,734 km

• M1: 113,246 km (0.12 R)
• M2: 243,246 km (0.028 R)
• M3: 321,935 km (0.059 R)
• M4: 377,884 km (0.103 R)
• M5: 682,615 km (0.108 R)
• M6: 736,770 km (0.088 R)
• M7: 920,476 km (0.106 R)
• M8: 981,063 km (0.097 R)
• M9: 1,119,142 km (0.116 R)
• M10: 1,184,217 km (0.097 R)
• M11: 1,415,046 km (0.047 R)
• M12: 1,841,999 km (0.115 R)
• M13: 1,998,179 km (0.081 R)
• M14: 2,240,827 km (0.096 R)
• M15: 2,407,927 km (0.032 R)
• M16: 2,579,217 km (0.059 R)
• M17: 3,043,120 km (0.108 R)
• M18: 3,098,322 km (0.116 R)
• M19: 3,247,321 km (0.098 R)
• M20: 3,456,010 km (0.117 R)
• M21: 3,669,037 km (0.108 R)
• M22: 3,866,656 km (0.092 R)
• M23: 4,047,370 km (0.082 R)
• M24: 4,627,511 km (0.108 R)
• M25: 4,927,455 km (0.09 R)
• M26: 5,014,221 km (0.111 R)
• M27: 5,255,672 km (0.065 R)
• M28: 5,411,404 km (0.104 R)
• M29: 5,478,573 km (0.084 R)
• M30: 5,591,220 km (0.083 R)
• M31: 5,933,650 km (0.103 R)
• M32: 6,330,084 km (0.117 R)
• M33: 6,424,630 km (0.069 R)
• M34: 7,148,534 km (0.079 R)
• M35: 7,898,169 km (0.086 R)
• M36: 8,025,477 km (0.028 R)
• M37: 8,256,456 km (0.098 R)
• M38: 8,594,098 km (0.087 R)
• M39: 9,229,141 km (0.061 R)
• M40: 9,336,403 km (0.072 R)
• M41: 9,444,263 km (0.082 R)
• M42: 9,633,804 km (0.111 R)
• M43: 9,824,541 km (0.088 R)
• M44: 10,237,581 km (0.091 R)
• M45: 11,626,298 km (0.105 R)
• M46: 11,742,236 km (0.09 R)
• M47: 11,829,452 km (0.093 R)
• M48: 12,180,558 km (0.094 R)
• M49: 12,239,499 km (0.03 R)
• M50: 12,564,875 km (0.104 R)
• M51: 12,654,035 km (0.118 R)
• M52: 12,743,495 km (0.103 R)
• M53: 12,803,184 km (0.083 R)
• M54: 13,497,019 km (0.103 R)
• M55: 13,956,135 km (0.085 R)
• M56: 14,513,686 km (0.105 R)
• M57: 15,843,162 km (0.112 R)
• M58: 15,907,340 km (0.079 R)
• M59: 16,100,770 km (0.072 R)
• M60: 16,849,059 km (0.052 R)
• M61: 17,376,391 km (0.108 R)
• M62: 18,043,149 km (0.034 R)
• M63: 18,752,093 km (0.08 R)
• M64: 19,504,720 km (0.093 R)
• M65: 20,933,529 km (0.086 R)
• M66: 21,110,055 km (0.086 R)
• M67: 21,180,815 km (0.11 R)
• M68: 21,964,408 km (0.062 R)
• M69: 22,036,066 km (0.093 R)
• M70: 22,684,872 km (0.092 R)
• M71: 23,230,455 km (0.075 R)
• M72: 23,817,028 km (0.096 R)
• M73: 24,001,333 km (0.079 R)
• M74: 24,112,185 km (0.072 R)
• M75: 24,408,538 km (0.102 R)
• M76: 24,519,989 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.4

Radius: 6.1

Gravity: 16.73 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.48 AU - 10.98 AU

Year: 17829 Days

Day: 24.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 68,262,734 km

• M1: 345,421 km (0.109 R)
• M2: 395,387 km (0.099 R)
• M3: 466,147 km (0.083 R)
• M4: 541,544 km (0.097 R)
• M5: 726,746 km (0.107 R)
• M6: 1,154,148 km (0.1 R)
• M7: 2,329,837 km (0.104 R)
• M8: 3,271,855 km (0.074 R)
• M9: 3,495,653 km (0.092 R)
• M10: 3,724,538 km (0.097 R)
• M11: 4,521,895 km (0.116 R)
• M12: 4,604,473 km (0.096 R)
• M13: 4,645,911 km (0.069 R)
• M14: 4,939,871 km (0.098 R)
• M15: 5,457,630 km (0.098 R)
• M16: 5,589,874 km (0.054 R)
• M17: 5,812,476 km (0.114 R)
• M18: 6,037,920 km (0.12 R)
• M19: 6,590,983 km (0.12 R)
• M20: 6,637,807 km (0.098 R)
• M21: 6,684,631 km (0.095 R)
• M22: 6,968,568 km (0.114 R)
• M23: 8,294,155 km (0.119 R)
• M24: 8,599,185 km (0.063 R)
• M25: 8,959,716 km (0.073 R)
• M26: 9,011,626 km (0.109 R)
• M27: 9,115,746 km (0.107 R)
• M28: 9,483,159 km (0.098 R)
• M29: 9,748,695 km (0.115 R)
• M30: 10,286,948 km (0.094 R)
• M31: 10,505,062 km (0.088 R)
• M32: 11,617,920 km (0.11 R)
• M33: 13,953,442 km (0.08 R)
• M34: 14,194,893 km (0.095 R)
• M35: 15,112,078 km (0.103 R)
• M36: 16,048,411 km (0.092 R)
• M37: 16,747,033 km (0.099 R)
• M38: 17,261,350 km (0.081 R)
• M39: 17,780,754 km (0.064 R)
• M40: 17,976,877 km (0.056 R)
• M41: 18,239,421 km (0.12 R)
• M42: 18,569,434 km (0.1 R)
• M43: 18,968,112 km (0.06 R)
• M44: 19,773,847 km (0.11 R)
• M45: 21,003,391 km (0.115 R)
• M46: 23,035,679 km (0.09 R)
• M47: 23,966,925 km (0.107 R)
• M48: 25,718,118 km (0.101 R)
• M49: 28,192,616 km (0.099 R)
• M50: 30,663,524 km (0.089 R)
• M51: 31,055,920 km (0.066 R)
• M52: 31,607,936 km (0.106 R)
• M53: 31,687,073 km (0.091 R)
• M54: 32,402,151 km (0.12 R)
• M55: 33,202,948 km (0.093 R)
• M56: 34,253,724 km (0.092 R)
• M57: 34,497,718 km (0.085 R)
• M58: 35,726,515 km (0.063 R)
• M59: 36,803,021 km (0.062 R)
• M60: 37,219,950 km (0.093 R)
• M61: 38,226,744 km (0.107 R)
• M62: 38,395,490 km (0.088 R)
• M63: 39,157,691 km (0.084 R)
• M64: 40,353,128 km (0.055 R)
• M65: 40,524,866 km (0.087 R)
• M66: 41,647,150 km (0.117 R)
• M67: 42,430,145 km (0.112 R)
• M68: 42,517,510 km (0.106 R)
• M69: 42,867,270 km (0.104 R)
• M70: 46,687,401 km (0.109 R)
• M71: 47,319,452 km (0.105 R)
• M72: 47,500,615 km (0.074 R)
• M73: 48,500,976 km (0.066 R)
• M74: 48,866,444 km (0.069 R)
• M75: 48,957,998 km (0.1 R)
• M76: 49,232,809 km (0.109 R)
• M77: 49,876,229 km (0.084 R)
• M78: 49,968,382 km (0.062 R)
• M79: 50,337,440 km (0.112 R)
• M80: 51,543,348 km (0.034 R)
• M81: 51,729,597 km (0.108 R)
• M82: 53,794,347 km (0.028 R)
• M83: 53,983,439 km (0.081 R)
• M84: 55,312,915 km (0.038 R)
• M85: 57,230,760 km (0.115 R)
• M86: 59,756,421 km (0.082 R)
• M87: 61,624,898 km (0.066 R)
• M88: 64,313,022 km (0.116 R)
• M89: 66,227,426 km (0.074 R)
• M90: 66,734,264 km (0.076 R)
• M91: 67,956,179 km (0.085 R)
• M92: 68,262,705 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 19,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit