🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.77 AU - 0.87 AU

Year: 281 Days

Day: 30.1 Hours

Environment

Temp: 125 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,764,070 km

• M1: 305,329 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.08 AU - 1.22 AU

Year: 467 Days

Day: 26.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 49.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.99 AU - 2.99 AU

Year: 1488 Days

Day: 29.7 Hours

Environment

Temp: -98 °C

Axial Tilt: 111.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.31 AU - 3.17 AU

Year: 1718 Days

Day: 27 Hours

Environment

Temp: -107 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,764,070 km

• M1: 457,769 km (0.105 R)
• M2: 896,241 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130

Radius: 5.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 11.76 AU - 16.34 AU

Year: 19946 Days

Day: 22.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,764,070 km

• M1: 72,106 km (0.064 R)
• M2: 1,128,866 km (0.1 R)
• M3: 1,507,498 km (0.103 R)
• M4: 1,689,708 km (0.101 R)
• M5: 2,553,037 km (0.113 R)
• M6: 3,317,931 km (0.077 R)
• M7: 5,984,214 km (0.091 R)
• M8: 12,940,216 km (0.083 R)
• M9: 22,463,467 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.5

Radius: 6.2

Gravity: 15.44 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 13.32 AU - 15.92 AU

Year: 21172 Days

Day: 17.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 94,764,070 km

• M1: 77,043 km (0.066 R)
• M2: 618,138 km (0.039 R)
• M3: 1,066,483 km (0.088 R)
• M4: 1,765,105 km (0.093 R)
• M5: 2,068,939 km (0.086 R)
• M6: 2,806,755 km (0.095 R)
• M7: 3,858,877 km (0.036 R)
• M8: 4,174,678 km (0.09 R)
• M9: 6,145,331 km (0.104 R)
• M10: 9,041,247 km (0.096 R)
• M11: 9,485,702 km (0.034 R)
• M12: 13,224,751 km (0.096 R)
• M13: 15,301,020 km (0.101 R)
• M14: 16,012,058 km (0.063 R)
• M15: 23,020,420 km (0.12 R)
• M16: 24,269,711 km (0.067 R)
• M17: 30,701,373 km (0.1 R)
• M18: 31,074,918 km (0.102 R)
• M19: 39,195,390 km (0.11 R)
• M20: 39,488,153 km (0.109 R)
• M21: 41,729,578 km (0.079 R)
• M22: 47,785,150 km (0.083 R)
• M23: 60,424,525 km (0.097 R)
• M24: 65,840,716 km (0.094 R)
• M25: 67,926,110 km (0.079 R)
• M26: 72,668,063 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.7

Radius: 4.9

Gravity: 41.18 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 13.23 AU - 17.33 AU

Year: 22622 Days

Day: 24.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 94,764,070 km

• M1: 61,634 km (0.096 R)
• M2: 351,256 km (0.118 R)
• M3: 642,074 km (0.103 R)
• M4: 807,230 km (0.112 R)
• M5: 1,553,873 km (0.114 R)
• M6: 1,917,695 km (0.093 R)
• M7: 4,129,649 km (0.119 R)
• M8: 4,305,576 km (0.116 R)
• M9: 5,261,208 km (0.096 R)
• M10: 5,509,989 km (0.088 R)
• M11: 9,320,097 km (0.034 R)
• M12: 9,933,149 km (0.094 R)
• M13: 10,507,455 km (0.117 R)
• M14: 11,307,205 km (0.078 R)
• M15: 12,075,391 km (0.082 R)
• M16: 12,508,776 km (0.111 R)
• M17: 14,750,649 km (0.098 R)
• M18: 18,357,005 km (0.081 R)
• M19: 21,444,705 km (0.063 R)
• M20: 23,722,333 km (0.111 R)
• M21: 24,060,424 km (0.085 R)
• M22: 26,881,092 km (0.108 R)
• M23: 27,743,673 km (0.072 R)
• M24: 29,135,980 km (0.064 R)
• M25: 29,653,589 km (0.097 R)
• M26: 34,017,658 km (0.104 R)
• M27: 36,801,226 km (0.117 R)
• M28: 39,891,469 km (0.118 R)
• M29: 42,319,442 km (0.08 R)
• M30: 43,150,159 km (0.117 R)
• M31: 43,317,559 km (0.076 R)
• M32: 51,497,571 km (0.051 R)
• M33: 54,959,715 km (0.049 R)
• M34: 58,369,050 km (0.066 R)
• M35: 59,397,984 km (0.12 R)
• M36: 60,648,622 km (0.094 R)
• M37: 65,163,935 km (0.089 R)
• M38: 80,044,585 km (0.075 R)
• M39: 80,550,824 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.8

Radius: 4.2

Gravity: 55.43 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 13.81 AU - 22.21 AU

Year: 28948 Days

Day: 19.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,764,070 km

• M1: 52,808 km (0.083 R)
• M2: 232,325 km (0.098 R)
• M3: 501,003 km (0.052 R)
• M4: 791,971 km (0.103 R)
• M5: 1,024,147 km (0.115 R)
• M6: 1,474,287 km (0.083 R)
• M7: 2,562,013 km (0.081 R)
• M8: 2,752,302 km (0.087 R)
• M9: 3,676,368 km (0.119 R)
• M10: 7,603,910 km (0.082 R)
• M11: 9,009,233 km (0.07 R)
• M12: 10,103,541 km (0.079 R)
• M13: 11,647,391 km (0.108 R)
• M14: 11,869,394 km (0.074 R)
• M15: 12,018,992 km (0.119 R)
• M16: 15,369,984 km (0.066 R)
• M17: 16,180,805 km (0.081 R)
• M18: 19,605,399 km (0.096 R)
• M19: 23,483,575 km (0.096 R)
• M20: 24,195,960 km (0.12 R)
• M21: 26,674,647 km (0.108 R)
• M22: 31,840,411 km (0.105 R)
• M23: 33,900,224 km (0.057 R)
• M24: 34,809,480 km (0.046 R)
• M25: 36,047,103 km (0.073 R)
• M26: 37,634,785 km (0.098 R)
• M27: 58,714,771 km (0.082 R)
• M28: 61,801,573 km (0.045 R)
• M29: 74,466,978 km (0.034 R)
• M30: 74,976,059 km (0.102 R)
• M31: 77,817,820 km (0.082 R)
• M32: 81,807,296 km (0.118 R)
• M33: 87,335,686 km (0.115 R)
• M34: 91,059,476 km (0.119 R)
• M35: 91,350,294 km (0.077 R)
• M36: 96,087,012 km (0.119 R)
• M37: 108,966,341 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.1

Radius: 7.7

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 14.5 AU - 22.86 AU

Year: 30578 Days

Day: 21.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 94,764,070 km

• M1: 96,042 km (0.057 R)
• M2: 421,716 km (0.036 R)
• M3: 819,497 km (0.101 R)
• M4: 1,684,023 km (0.078 R)
• M5: 2,575,926 km (0.06 R)
• M6: 3,026,664 km (0.081 R)
• M7: 4,051,110 km (0.05 R)
• M8: 4,331,158 km (0.071 R)
• M9: 4,775,314 km (0.057 R)
• M10: 6,813,285 km (0.108 R)
• M11: 11,929,233 km (0.105 R)
• M12: 12,215,564 km (0.049 R)
• M13: 15,168,925 km (0.052 R)
• M14: 19,637,712 km (0.112 R)
• M15: 23,208,165 km (0.088 R)
• M16: 28,824,219 km (0.073 R)
• M17: 32,151,275 km (0.116 R)
• M18: 33,693,031 km (0.087 R)
• M19: 37,074,840 km (0.078 R)
• M20: 39,556,669 km (0.109 R)
• M21: 57,417,009 km (0.103 R)
• M22: 58,439,361 km (0.117 R)
• M23: 59,682,220 km (0.116 R)
• M24: 65,050,390 km (0.11 R)
• M25: 70,731,818 km (0.065 R)
• M26: 72,379,938 km (0.096 R)
• M27: 75,021,238 km (0.111 R)
• M28: 76,735,181 km (0.081 R)
• M29: 88,652,446 km (0.091 R)
• M30: 90,567,598 km (0.118 R)
• M31: 91,396,670 km (0.058 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: 347 - 17,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit