🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.63 AU - 0.81 AU

Year: 225 Days

Day: 13.7 Hours

Environment

Temp: 124 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.91 AU - 0.93 AU

Year: 326 Days

Day: 19.5 Hours

Environment

Temp: 45 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.13 AU - 1.25 AU

Year: 479 Days

Day: 36.6 Hours

Environment

Temp: -4 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.2 AU - 3.64 AU

Year: 1841 Days

Day: 38.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,538,114 km

• M1: 989,590 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.4

Radius: 12.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.6 AU - 4.76 AU

Year: 3735 Days

Day: 12.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 27,538,114 km

• M1: 161,117 km (0.085 R)
• M2: 300,991 km (0.078 R)
• M3: 440,117 km (0.085 R)
• M4: 543,190 km (0.105 R)
• M5: 765,792 km (0.065 R)
• M6: 975,528 km (0.086 R)
• M7: 1,592,170 km (0.078 R)
• M8: 1,903,184 km (0.076 R)
• M9: 2,124,888 km (0.11 R)
• M10: 2,233,945 km (0.08 R)
• M11: 2,851,635 km (0.106 R)
• M12: 2,994,650 km (0.116 R)
• M13: 3,380,463 km (0.103 R)
• M14: 3,520,636 km (0.038 R)
• M15: 3,746,379 km (0.028 R)
• M16: 3,940,258 km (0.12 R)
• M17: 4,363,321 km (0.057 R)
• M18: 4,465,048 km (0.066 R)
• M19: 5,253,129 km (0.085 R)
• M20: 5,553,073 km (0.05 R)
• M21: 5,844,490 km (0.053 R)
• M22: 6,126,930 km (0.101 R)
• M23: 6,529,797 km (0.086 R)
• M24: 6,896,911 km (0.105 R)
• M25: 7,015,691 km (0.112 R)
• M26: 7,805,269 km (0.108 R)
• M27: 8,320,933 km (0.103 R)
• M28: 8,495,364 km (0.082 R)
• M29: 8,638,978 km (0.108 R)
• M30: 9,123,376 km (0.047 R)
• M31: 9,633,355 km (0.104 R)
• M32: 9,883,483 km (0.077 R)
• M33: 10,441,333 km (0.113 R)
• M34: 10,749,953 km (0.084 R)
• M35: 10,853,625 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 10.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.64 AU - 5.18 AU

Year: 4014 Days

Day: 14.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 27,538,114 km

• M1: 183,557 km (0.042 R)
• M2: 517,459 km (0.104 R)
• M3: 766,091 km (0.119 R)
• M4: 834,307 km (0.083 R)
• M5: 941,120 km (0.078 R)
• M6: 1,142,928 km (0.057 R)
• M7: 1,415,345 km (0.115 R)
• M8: 1,501,215 km (0.096 R)
• M9: 1,663,379 km (0.046 R)
• M10: 1,909,916 km (0.055 R)
• M11: 2,005,359 km (0.091 R)
• M12: 2,118,904 km (0.051 R)
• M13: 2,352,576 km (0.087 R)
• M14: 2,472,554 km (0.046 R)
• M15: 2,577,123 km (0.066 R)
• M16: 2,665,385 km (0.078 R)
• M17: 2,973,258 km (0.114 R)
• M18: 3,662,754 km (0.067 R)
• M19: 4,087,313 km (0.043 R)
• M20: 4,190,835 km (0.075 R)
• M21: 4,358,235 km (0.086 R)
• M22: 4,506,486 km (0.091 R)
• M23: 4,721,159 km (0.101 R)
• M24: 5,005,545 km (0.073 R)
• M25: 5,385,823 km (0.073 R)
• M26: 5,845,088 km (0.106 R)
• M27: 6,056,021 km (0.105 R)
• M28: 6,221,775 km (0.118 R)
• M29: 6,850,685 km (0.104 R)
• M30: 7,525,072 km (0.089 R)
• M31: 8,483,695 km (0.106 R)
• M32: 8,589,611 km (0.081 R)
• M33: 8,990,832 km (0.074 R)
• M34: 9,152,996 km (0.075 R)
• M35: 9,398,187 km (0.05 R)
• M36: 9,590,420 km (0.101 R)
• M37: 9,673,148 km (0.045 R)
• M38: 10,400,493 km (0.105 R)
• M39: 10,885,639 km (0.094 R)
• M40: 11,087,446 km (0.067 R)
• M41: 11,261,578 km (0.045 R)
• M42: 11,378,115 km (0.076 R)
• M43: 11,465,779 km (0.062 R)
• M44: 11,671,177 km (0.082 R)
• M45: 12,686,348 km (0.088 R)
• M46: 12,929,295 km (0.103 R)
• M47: 13,296,708 km (0.084 R)
• M48: 13,389,159 km (0.115 R)
• M49: 13,574,511 km (0.115 R)
• M50: 14,073,120 km (0.115 R)
• M51: 14,167,367 km (0.033 R)
• M52: 14,261,763 km (0.064 R)
• M53: 14,641,293 km (0.111 R)
• M54: 15,024,264 km (0.081 R)
• M55: 15,507,614 km (0.092 R)
• M56: 15,930,528 km (0.087 R)
• M57: 16,094,337 km (0.103 R)
• M58: 16,225,684 km (0.111 R)
• M59: 16,324,419 km (0.065 R)
• M60: 16,655,180 km (0.113 R)
• M61: 16,854,594 km (0.113 R)
• M62: 17,796,013 km (0.106 R)
• M63: 18,273,081 km (0.09 R)
• M64: 18,375,854 km (0.101 R)
• M65: 19,205,075 km (0.078 R)
• M66: 19,309,495 km (0.092 R)
• M67: 19,484,075 km (0.046 R)
• M68: 19,694,410 km (0.106 R)
• M69: 20,011,109 km (0.113 R)
• M70: 21,692,589 km (0.06 R)
• M71: 22,019,610 km (0.114 R)
• M72: 22,275,273 km (0.044 R)
• M73: 22,495,032 km (0.06 R)
• M74: 22,678,888 km (0.091 R)
• M75: 22,752,490 km (0.108 R)
• M76: 23,047,796 km (0.096 R)
• M77: 24,016,592 km (0.098 R)
• M78: 24,430,379 km (0.116 R)
• M79: 25,609,360 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.4

Radius: 14

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.62 AU - 8.78 AU

Year: 7128 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 27,538,114 km

• M1: 184,155 km (0.108 R)
• M2: 314,006 km (0.053 R)
• M3: 559,646 km (0.088 R)
• M4: 654,341 km (0.099 R)
• M5: 815,009 km (0.08 R)
• M6: 913,594 km (0.066 R)
• M7: 1,083,388 km (0.109 R)
• M8: 1,179,430 km (0.11 R)
• M9: 1,336,956 km (0.102 R)
• M10: 1,594,863 km (0.106 R)
• M11: 1,689,858 km (0.063 R)
• M12: 2,142,092 km (0.102 R)
• M13: 2,230,055 km (0.112 R)
• M14: 2,428,123 km (0.107 R)
• M15: 2,538,676 km (0.075 R)
• M16: 2,745,869 km (0.116 R)
• M17: 3,037,435 km (0.11 R)
• M18: 3,588,255 km (0.062 R)
• M19: 4,483,897 km (0.097 R)
• M20: 4,992,530 km (0.104 R)
• M21: 5,253,728 km (0.07 R)
• M22: 5,495,179 km (0.092 R)
• M23: 5,939,185 km (0.086 R)
• M24: 6,446,172 km (0.118 R)
• M25: 6,704,977 km (0.097 R)
• M26: 7,020,179 km (0.063 R)
• M27: 7,340,169 km (0.074 R)
• M28: 7,448,029 km (0.088 R)
• M29: 7,610,642 km (0.116 R)
• M30: 8,133,487 km (0.062 R)
• M31: 8,526,331 km (0.11 R)
• M32: 8,639,576 km (0.088 R)
• M33: 8,925,308 km (0.091 R)
• M34: 9,156,138 km (0.095 R)
• M35: 10,069,133 km (0.08 R)
• M36: 10,249,249 km (0.025 R)
• M37: 10,551,736 km (0.094 R)
• M38: 10,949,517 km (0.106 R)
• M39: 11,289,852 km (0.059 R)
• M40: 11,728,174 km (0.104 R)
• M41: 12,172,180 km (0.079 R)
• M42: 12,492,619 km (0.072 R)
• M43: 13,669,505 km (0.074 R)
• M44: 14,002,809 km (0.106 R)
• M45: 14,338,657 km (0.045 R)
• M46: 14,439,934 km (0.082 R)
• M47: 16,092,991 km (0.069 R)
• M48: 16,374,385 km (0.087 R)
• M49: 17,696,680 km (0.1 R)
• M50: 17,914,345 km (0.066 R)
• M51: 18,059,904 km (0.072 R)
• M52: 18,389,019 km (0.076 R)
• M53: 18,535,924 km (0.086 R)
• M54: 18,683,128 km (0.112 R)
• M55: 18,904,833 km (0.109 R)
• M56: 19,239,034 km (0.098 R)
• M57: 19,687,529 km (0.043 R)
• M58: 20,101,765 km (0.096 R)
• M59: 20,404,850 km (0.119 R)
• M60: 21,169,295 km (0.068 R)
• M61: 21,400,424 km (0.104 R)
• M62: 21,904,120 km (0.065 R)
• M63: 22,568,634 km (0.12 R)
• M64: 23,041,812 km (0.115 R)
• M65: 23,398,753 km (0.053 R)
• M66: 23,597,867 km (0.1 R)
• M67: 25,374,342 km (0.111 R)
• M68: 26,278,811 km (0.065 R)
• M69: 26,776,523 km (0.058 R)
• M70: 27,403,039 km (0.096 R)
• M71: 27,823,409 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.9

Radius: 11.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.96 AU - 12 AU

Year: 12518 Days

Day: 13.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 27,538,114 km

• M1: 167,998 km (0.12 R)
• M2: 376,388 km (0.109 R)
• M3: 456,124 km (0.08 R)
• M4: 573,708 km (0.107 R)
• M5: 737,368 km (0.083 R)
• M6: 1,167,462 km (0.101 R)
• M7: 1,336,807 km (0.109 R)
• M8: 2,285,407 km (0.114 R)
• M9: 2,391,621 km (0.078 R)
• M10: 2,795,984 km (0.056 R)
• M11: 2,871,830 km (0.101 R)
• M12: 3,006,319 km (0.109 R)
• M13: 3,182,396 km (0.055 R)
• M14: 3,281,579 km (0.076 R)
• M15: 3,689,233 km (0.03 R)
• M16: 4,352,999 km (0.07 R)
• M17: 5,572,221 km (0.084 R)
• M18: 5,862,292 km (0.037 R)
• M19: 6,381,845 km (0.113 R)
• M20: 6,659,948 km (0.052 R)
• M21: 6,762,123 km (0.083 R)
• M22: 7,019,730 km (0.027 R)
• M23: 7,333,138 km (0.084 R)
• M24: 7,412,275 km (0.068 R)
• M25: 7,624,555 km (0.107 R)
• M26: 8,028,020 km (0.103 R)
• M27: 8,164,154 km (0.103 R)
• M28: 8,246,134 km (0.089 R)
• M29: 9,166,460 km (0.064 R)
• M30: 9,624,379 km (0.079 R)
• M31: 9,769,040 km (0.098 R)
• M32: 9,885,278 km (0.115 R)
• M33: 10,207,212 km (0.119 R)
• M34: 10,354,716 km (0.059 R)
• M35: 10,681,886 km (0.081 R)
• M36: 10,982,129 km (0.113 R)
• M37: 11,285,364 km (0.066 R)
• M38: 11,499,140 km (0.047 R)
• M39: 11,961,846 km (0.073 R)
• M40: 12,336,439 km (0.091 R)
• M41: 12,873,794 km (0.1 R)
• M42: 13,033,266 km (0.088 R)
• M43: 13,257,662 km (0.074 R)
• M44: 13,971,244 km (0.097 R)
• M45: 14,168,115 km (0.085 R)
• M46: 14,498,128 km (0.107 R)
• M47: 14,730,753 km (0.05 R)
• M48: 15,775,395 km (0.114 R)
• M49: 15,877,869 km (0.052 R)
• M50: 16,255,005 km (0.061 R)
• M51: 16,392,935 km (0.111 R)
• M52: 16,600,577 km (0.09 R)
• M53: 16,704,697 km (0.057 R)
• M54: 16,948,541 km (0.037 R)
• M55: 17,334,204 km (0.104 R)
• M56: 17,758,165 km (0.045 R)
• M57: 17,900,133 km (0.051 R)
• M58: 18,078,304 km (0.045 R)
• M59: 18,221,320 km (0.055 R)
• M60: 18,364,635 km (0.032 R)
• M61: 18,472,345 km (0.063 R)
• M62: 18,616,258 km (0.072 R)
• M63: 19,086,744 km (0.109 R)
• M64: 19,634,421 km (0.112 R)
• M65: 20,670,686 km (0.083 R)
• M66: 21,082,678 km (0.084 R)
• M67: 21,270,872 km (0.072 R)
• M68: 21,762,750 km (0.075 R)
• M69: 22,373,110 km (0.071 R)
• M70: 22,526,747 km (0.101 R)
• M71: 22,757,576 km (0.101 R)
• M72: 22,873,365 km (0.066 R)
• M73: 23,221,778 km (0.117 R)
• M74: 23,650,077 km (0.096 R)
• M75: 24,317,134 km (0.118 R)
• M76: 24,395,972 km (0.106 R)
• M77: 24,791,658 km (0.041 R)
• M78: 25,951,042 km (0.093 R)
• M79: 26,354,956 km (0.092 R)
• M80: 26,639,042 km (0.046 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: 403 - 16,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit