🌌 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: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.5 AU - 0.56 AU

Year: 245 Days

Day: 43.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 14,998,970 km

• M1: 717,621 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.2

Radius: 14.3

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.53 AU - 0.83 AU

Year: 357 Days

Day: 5.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 14,998,970 km

• M1: 182,210 km (0.102 R)
• M2: 282,291 km (0.07 R)
• M3: 407,804 km (0.105 R)
• M4: 565,181 km (0.11 R)
• M5: 702,811 km (0.118 R)
• M6: 828,323 km (0.103 R)
• M7: 979,268 km (0.114 R)
• M8: 1,072,766 km (0.114 R)
• M9: 1,221,018 km (0.113 R)
• M10: 1,330,374 km (0.108 R)
• M11: 1,431,352 km (0.119 R)
• M12: 1,666,819 km (0.057 R)
• M13: 1,780,963 km (0.074 R)
• M14: 1,884,784 km (0.051 R)
• M15: 2,246,062 km (0.116 R)
• M16: 2,411,218 km (0.085 R)
• M17: 2,502,623 km (0.087 R)
• M18: 2,654,315 km (0.067 R)
• M19: 2,743,924 km (0.093 R)
• M20: 2,839,517 km (0.074 R)
• M21: 2,977,596 km (0.08 R)
• M22: 3,081,267 km (0.1 R)
• M23: 3,170,428 km (0.077 R)
• M24: 3,292,350 km (0.062 R)
• M25: 3,448,530 km (0.068 R)
• M26: 3,557,587 km (0.114 R)
• M27: 3,679,060 km (0.091 R)
• M28: 3,830,005 km (0.106 R)
• M29: 3,971,674 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765

Radius: 13.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.51 AU - 0.85 AU

Year: 357 Days

Day: 9.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 14,998,970 km

• M1: 225,743 km (0.105 R)
• M2: 367,412 km (0.106 R)
• M3: 475,272 km (0.082 R)
• M4: 597,943 km (0.102 R)
• M5: 700,268 km (0.081 R)
• M6: 821,442 km (0.113 R)
• M7: 992,432 km (0.082 R)
• M8: 1,078,451 km (0.096 R)
• M9: 1,272,779 km (0.078 R)
• M10: 1,499,120 km (0.088 R)
• M11: 1,625,082 km (0.079 R)
• M12: 1,733,839 km (0.087 R)
• M13: 1,855,762 km (0.066 R)
• M14: 2,030,641 km (0.072 R)
• M15: 2,154,060 km (0.1 R)
• M16: 2,309,043 km (0.069 R)
• M17: 2,456,098 km (0.092 R)
• M18: 2,545,857 km (0.11 R)
• M19: 2,642,946 km (0.088 R)
• M20: 2,728,815 km (0.105 R)
• M21: 2,828,148 km (0.101 R)
• M22: 2,979,690 km (0.113 R)
• M23: 3,185,836 km (0.119 R)
• M24: 3,416,965 km (0.117 R)
• M25: 3,571,799 km (0.117 R)
• M26: 3,736,057 km (0.102 R)
• M27: 3,832,997 km (0.066 R)
• M28: 3,937,865 km (0.079 R)
• M29: 4,079,235 km (0.077 R)
• M30: 4,279,845 km (0.113 R)
• M31: 4,418,074 km (0.041 R)
• M32: 4,513,368 km (0.117 R)
• M33: 4,646,659 km (0.116 R)
• M34: 4,864,025 km (0.102 R)
• M35: 5,008,387 km (0.069 R)
• M36: 5,107,870 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.5

Radius: 12.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.81 AU - 1.21 AU

Year: 645 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,998,970 km

• M1: 155,582 km (0.063 R)
• M2: 265,985 km (0.049 R)
• M3: 430,991 km (0.12 R)
• M4: 524,789 km (0.062 R)
• M5: 624,870 km (0.037 R)
• M6: 788,082 km (0.075 R)
• M7: 867,069 km (0.051 R)
• M8: 1,116,000 km (0.072 R)
• M9: 1,203,216 km (0.09 R)
• M10: 1,442,423 km (0.05 R)
• M11: 1,541,905 km (0.089 R)
• M12: 1,650,962 km (0.057 R)
• M13: 1,751,641 km (0.057 R)
• M14: 1,918,144 km (0.11 R)
• M15: 2,152,564 km (0.12 R)
• M16: 2,437,249 km (0.102 R)
• M17: 2,607,341 km (0.081 R)
• M18: 2,790,150 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.9

Radius: 12.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.23 AU - 2.59 AU

Year: 2379 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 14,998,970 km

• M1: 233,672 km (0.106 R)
• M2: 341,532 km (0.03 R)
• M3: 453,132 km (0.09 R)
• M4: 588,069 km (0.064 R)
• M5: 694,433 km (0.056 R)
• M6: 824,135 km (0.069 R)
• M7: 921,074 km (0.074 R)
• M8: 1,083,537 km (0.1 R)
• M9: 1,350,719 km (0.079 R)
• M10: 1,527,693 km (0.117 R)
• M11: 1,650,065 km (0.092 R)
• M12: 1,733,540 km (0.083 R)
• M13: 1,840,054 km (0.115 R)
• M14: 2,161,839 km (0.097 R)
• M15: 2,418,100 km (0.081 R)
• M16: 2,562,163 km (0.045 R)
• M17: 2,846,548 km (0.082 R)
• M18: 3,076,331 km (0.037 R)
• M19: 3,193,466 km (0.08 R)
• M20: 3,445,987 km (0.025 R)
• M21: 3,774,354 km (0.03 R)
• M22: 3,858,129 km (0.117 R)
• M23: 4,070,259 km (0.102 R)
• M24: 4,358,983 km (0.079 R)
• M25: 4,609,858 km (0.082 R)
• M26: 4,774,715 km (0.117 R)
• M27: 4,865,521 km (0.098 R)
• M28: 5,422,324 km (0.113 R)
• M29: 5,628,470 km (0.074 R)
• M30: 5,740,669 km (0.088 R)
• M31: 5,869,622 km (0.118 R)
• M32: 6,445,424 km (0.091 R)
• M33: 6,663,987 km (0.091 R)
• M34: 6,885,092 km (0.097 R)
• M35: 7,936,466 km (0.092 R)
• M36: 8,026,375 km (0.094 R)
• M37: 8,134,683 km (0.079 R)
• M38: 8,665,307 km (0.104 R)
• M39: 9,037,656 km (0.108 R)
• M40: 9,225,850 km (0.105 R)
• M41: 9,339,395 km (0.069 R)
• M42: 9,567,981 km (0.08 R)
• M43: 9,740,617 km (0.114 R)
• M44: 9,914,300 km (0.099 R)
• M45: 10,030,537 km (0.108 R)
• M46: 10,461,080 km (0.089 R)
• M47: 10,877,710 km (0.1 R)
• M48: 11,078,022 km (0.092 R)
• M49: 11,259,334 km (0.083 R)
• M50: 11,401,153 km (0.079 R)
• M51: 11,502,730 km (0.118 R)
• M52: 11,829,900 km (0.089 R)
• M53: 11,953,319 km (0.111 R)
• M54: 12,118,624 km (0.104 R)
• M55: 12,451,629 km (0.072 R)
• M56: 12,619,179 km (0.119 R)
• M57: 13,083,979 km (0.108 R)
• M58: 13,297,156 km (0.08 R)
• M59: 13,662,175 km (0.111 R)
• M60: 13,748,493 km (0.104 R)
• M61: 14,030,485 km (0.071 R)
• M62: 14,622,145 km (0.036 R)
• M63: 14,732,698 km (0.084 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 18,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit