🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.46 AU - 0.6 AU

Year: 253 Days

Day: 43.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,967,111 km

• M1: 546,331 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.44 AU - 0.66 AU

Year: 268 Days

Day: 22.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,967,111 km

• M1: 65,075 km (0.032 R)
• M2: 444,006 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.2

Radius: 11.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.67 AU - 1.03 AU

Year: 514 Days

Day: 7 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,967,111 km

• M1: 148,700 km (0.084 R)
• M2: 270,323 km (0.06 R)
• M3: 346,618 km (0.096 R)
• M4: 448,644 km (0.095 R)
• M5: 549,174 km (0.062 R)
• M6: 667,655 km (0.081 R)
• M7: 755,768 km (0.109 R)
• M8: 867,967 km (0.079 R)
• M9: 940,372 km (0.107 R)
• M10: 1,022,651 km (0.056 R)
• M11: 1,105,079 km (0.067 R)
• M12: 1,200,972 km (0.102 R)
• M13: 1,317,060 km (0.107 R)
• M14: 1,475,933 km (0.071 R)
• M15: 1,635,254 km (0.039 R)
• M16: 1,800,410 km (0.118 R)
• M17: 1,924,726 km (0.088 R)
• M18: 2,178,594 km (0.097 R)
• M19: 2,290,343 km (0.082 R)
• M20: 2,429,170 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 10.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.17 AU - 1.35 AU

Year: 928 Days

Day: 14.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,967,111 km

• M1: 130,300 km (0.103 R)
• M2: 195,674 km (0.103 R)
• M3: 263,741 km (0.05 R)
• M4: 362,027 km (0.087 R)
• M5: 489,783 km (0.111 R)
• M6: 590,463 km (0.077 R)
• M7: 702,212 km (0.071 R)
• M8: 775,515 km (0.117 R)
• M9: 896,241 km (0.081 R)
• M10: 983,905 km (0.084 R)
• M11: 1,082,041 km (0.054 R)
• M12: 1,153,250 km (0.112 R)
• M13: 1,241,662 km (0.106 R)
• M14: 1,328,579 km (0.03 R)
• M15: 1,425,817 km (0.096 R)
• M16: 1,631,814 km (0.101 R)
• M17: 1,897,649 km (0.061 R)
• M18: 2,012,540 km (0.089 R)
• M19: 2,210,907 km (0.07 R)
• M20: 2,327,144 km (0.081 R)
• M21: 2,465,523 km (0.068 R)
• M22: 2,581,311 km (0.054 R)
• M23: 3,003,327 km (0.089 R)
• M24: 3,110,888 km (0.115 R)
• M25: 3,203,339 km (0.084 R)
• M26: 3,285,768 km (0.047 R)
• M27: 3,352,189 km (0.101 R)
• M28: 3,525,872 km (0.1 R)
• M29: 3,628,048 km (0.06 R)
• M30: 3,714,066 km (0.086 R)
• M31: 3,812,352 km (0.106 R)
• M32: 3,958,509 km (0.067 R)
• M33: 4,070,708 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.1

Radius: 7.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.49 AU - 9.75 AU

Year: 19574 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 77,967,111 km

• M1: 102,175 km (0.092 R)
• M2: 359,334 km (0.067 R)
• M3: 514,018 km (0.037 R)
• M4: 690,993 km (0.108 R)
• M5: 770,728 km (0.12 R)
• M6: 1,121,086 km (0.029 R)
• M7: 1,393,953 km (0.096 R)
• M8: 1,687,464 km (0.099 R)
• M9: 2,046,499 km (0.046 R)
• M10: 2,283,013 km (0.098 R)
• M11: 2,453,854 km (0.107 R)
• M12: 3,097,723 km (0.058 R)
• M13: 3,508,369 km (0.106 R)
• M14: 4,471,181 km (0.11 R)
• M15: 4,593,253 km (0.067 R)
• M16: 5,219,919 km (0.1 R)
• M17: 5,445,512 km (0.102 R)
• M18: 6,448,865 km (0.105 R)
• M19: 6,552,237 km (0.099 R)
• M20: 6,760,777 km (0.12 R)
• M21: 8,169,091 km (0.041 R)
• M22: 9,195,332 km (0.079 R)
• M23: 9,783,102 km (0.06 R)
• M24: 11,786,068 km (0.114 R)
• M25: 12,082,272 km (0.098 R)
• M26: 12,167,393 km (0.084 R)
• M27: 13,335,603 km (0.112 R)
• M28: 13,511,680 km (0.098 R)
• M29: 16,573,948 km (0.119 R)
• M30: 17,672,595 km (0.119 R)
• M31: 17,769,235 km (0.041 R)
• M32: 18,597,858 km (0.068 R)
• M33: 18,696,293 km (0.079 R)
• M34: 22,244,455 km (0.073 R)
• M35: 22,610,521 km (0.108 R)
• M36: 23,401,595 km (0.107 R)
• M37: 24,686,192 km (0.119 R)
• M38: 25,993,528 km (0.065 R)
• M39: 26,103,482 km (0.111 R)
• M40: 26,268,638 km (0.117 R)
• M41: 26,379,041 km (0.107 R)
• M42: 26,988,653 km (0.12 R)
• M43: 27,491,002 km (0.077 R)
• M44: 27,659,150 km (0.088 R)
• M45: 28,334,884 km (0.066 R)
• M46: 28,959,305 km (0.058 R)
• M47: 29,073,299 km (0.116 R)
• M48: 29,130,296 km (0.104 R)
• M49: 32,030,250 km (0.064 R)
• M50: 32,148,283 km (0.096 R)
• M51: 32,207,225 km (0.103 R)
• M52: 32,858,724 km (0.084 R)
• M53: 33,096,584 km (0.106 R)
• M54: 34,596,901 km (0.103 R)
• M55: 36,426,334 km (0.113 R)
• M56: 36,487,818 km (0.083 R)
• M57: 37,042,976 km (0.109 R)
• M58: 39,418,141 km (0.119 R)
• M59: 39,924,381 km (0.088 R)
• M60: 41,584,468 km (0.092 R)
• M61: 41,906,403 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.1

Radius: 4.1

Gravity: 38.97 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.53 AU - 11.77 AU

Year: 21213 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 77,967,111 km

• M1: 87,216 km (0.11 R)
• M2: 583,132 km (0.036 R)
• M3: 2,441,437 km (0.053 R)
• M4: 2,589,240 km (0.104 R)
• M5: 2,854,926 km (0.119 R)
• M6: 2,893,522 km (0.108 R)
• M7: 3,209,323 km (0.117 R)
• M8: 3,703,146 km (0.093 R)
• M9: 3,745,332 km (0.115 R)
• M10: 4,132,492 km (0.097 R)
• M11: 4,264,437 km (0.114 R)
• M12: 4,897,984 km (0.116 R)
• M13: 5,131,357 km (0.108 R)
• M14: 5,902,384 km (0.074 R)
• M15: 6,050,935 km (0.056 R)
• M16: 6,351,776 km (0.056 R)
• M17: 8,145,903 km (0.068 R)
• M18: 8,533,661 km (0.094 R)
• M19: 8,645,411 km (0.103 R)
• M20: 9,097,795 km (0.059 R)
• M21: 9,732,089 km (0.086 R)
• M22: 9,848,925 km (0.092 R)
• M23: 10,202,425 km (0.115 R)
• M24: 10,380,746 km (0.092 R)
• M25: 11,348,644 km (0.031 R)
• M26: 11,781,281 km (0.072 R)
• M27: 12,156,173 km (0.064 R)
• M28: 12,535,105 km (0.096 R)
• M29: 13,239,860 km (0.048 R)
• M30: 13,760,461 km (0.089 R)
• M31: 15,429,973 km (0.102 R)
• M32: 16,184,545 km (0.074 R)
• M33: 17,162,167 km (0.111 R)
• M34: 18,158,788 km (0.097 R)
• M35: 18,809,239 km (0.105 R)
• M36: 19,467,470 km (0.085 R)
• M37: 19,762,328 km (0.07 R)
• M38: 21,032,264 km (0.102 R)
• M39: 22,482,466 km (0.105 R)
• M40: 22,714,342 km (0.07 R)
• M41: 24,201,495 km (0.089 R)
• M42: 24,359,769 km (0.086 R)
• M43: 24,598,079 km (0.092 R)
• M44: 24,916,872 km (0.097 R)
• M45: 25,237,011 km (0.104 R)
• M46: 25,397,530 km (0.078 R)
• M47: 25,478,013 km (0.109 R)
• M48: 27,598,563 km (0.117 R)
• M49: 28,763,482 km (0.061 R)
• M50: 29,352,149 km (0.04 R)
• M51: 31,659,098 km (0.101 R)
• M52: 32,440,897 km (0.074 R)
• M53: 33,229,128 km (0.058 R)
• M54: 33,405,205 km (0.065 R)
• M55: 33,758,106 km (0.063 R)
• M56: 35,451,404 km (0.06 R)
• M57: 37,721,253 km (0.103 R)
• M58: 38,272,970 km (0.108 R)
• M59: 39,477,532 km (0.026 R)
• M60: 40,037,626 km (0.111 R)
• M61: 40,506,316 km (0.079 R)
• M62: 42,685,957 km (0.113 R)
• M63: 42,877,293 km (0.071 R)
• M64: 43,356,904 km (0.094 R)
• M65: 44,612,179 km (0.108 R)
• M66: 45,585,762 km (0.11 R)
• M67: 46,467,941 km (0.09 R)
• M68: 47,059,301 km (0.109 R)
• M69: 49,348,897 km (0.108 R)
• M70: 49,549,657 km (0.101 R)
• M71: 50,254,712 km (0.071 R)
• M72: 50,861,630 km (0.1 R)
• M73: 51,470,943 km (0.103 R)
• M74: 51,878,447 km (0.077 R)
• M75: 55,177,230 km (0.098 R)
• M76: 56,221,872 km (0.06 R)
• M77: 56,536,626 km (0.091 R)
• M78: 57,273,096 km (0.035 R)
• M79: 57,589,795 km (0.093 R)
• M80: 58,862,125 km (0.097 R)
• M81: 59,288,179 km (0.116 R)
• M82: 59,394,992 km (0.103 R)
• M83: 60,358,103 km (0.11 R)
• M84: 61,542,320 km (0.051 R)
• M85: 62,842,924 km (0.102 R)
• M86: 66,023,375 km (0.053 R)
• M87: 66,576,887 km (0.096 R)
• M88: 67,132,044 km (0.086 R)
• M89: 68,470,646 km (0.098 R)
• M90: 69,143,388 km (0.116 R)
• M91: 70,269,261 km (0.067 R)
• M92: 71,514,664 km (0.043 R)
• M93: 71,628,208 km (0.038 R)
• M94: 74,142,201 km (0.118 R)
• M95: 75,525,682 km (0.085 R)
• M96: 76,452,740 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 17,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit