🌌 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: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.51 AU - 0.55 AU

Year: 245 Days

Day: 39.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,718,379 km

• M1: 189,241 km (0.063 R)
• M2: 246,836 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.43 AU - 0.71 AU

Year: 274 Days

Day: 32.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 10.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.65 AU - 1.05 AU

Year: 498 Days

Day: 8.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,718,379 km

• M1: 137,480 km (0.118 R)
• M2: 225,145 km (0.086 R)
• M3: 323,431 km (0.059 R)
• M4: 393,442 km (0.108 R)
• M5: 463,903 km (0.092 R)
• M6: 539,749 km (0.112 R)
• M7: 648,656 km (0.119 R)
• M8: 914,492 km (0.117 R)
• M9: 1,025,344 km (0.103 R)
• M10: 1,108,071 km (0.062 R)
• M11: 1,193,193 km (0.114 R)
• M12: 1,325,437 km (0.117 R)
• M13: 1,395,898 km (0.05 R)
• M14: 1,483,263 km (0.12 R)
• M15: 1,577,958 km (0.083 R)
• M16: 1,666,670 km (0.112 R)
• M17: 1,951,504 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 14.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.87 AU - 1.37 AU

Year: 754 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 21,718,379 km

• M1: 189,092 km (0.118 R)
• M2: 322,084 km (0.11 R)
• M3: 447,298 km (0.112 R)
• M4: 545,284 km (0.104 R)
• M5: 697,874 km (0.054 R)
• M6: 989,889 km (0.06 R)
• M7: 1,093,710 km (0.045 R)
• M8: 1,259,315 km (0.051 R)
• M9: 1,363,884 km (0.093 R)
• M10: 1,519,466 km (0.104 R)
• M11: 1,686,267 km (0.061 R)
• M12: 1,802,654 km (0.078 R)
• M13: 1,901,090 km (0.11 R)
• M14: 2,001,320 km (0.116 R)
• M15: 2,152,564 km (0.118 R)
• M16: 2,274,187 km (0.116 R)
• M17: 2,670,920 km (0.117 R)
• M18: 2,766,214 km (0.103 R)
• M19: 2,923,442 km (0.071 R)
• M20: 3,139,910 km (0.117 R)
• M21: 3,349,048 km (0.104 R)
• M22: 3,536,643 km (0.115 R)
• M23: 3,668,140 km (0.117 R)
• M24: 3,767,922 km (0.115 R)
• M25: 3,861,719 km (0.108 R)
• M26: 3,963,296 km (0.118 R)
• M27: 4,058,889 km (0.055 R)
• M28: 4,162,112 km (0.12 R)
• M29: 4,252,319 km (0.102 R)
• M30: 4,364,368 km (0.117 R)
• M31: 4,470,284 km (0.102 R)
• M32: 4,619,881 km (0.086 R)
• M33: 4,749,583 km (0.116 R)
• M34: 4,968,594 km (0.097 R)
• M35: 5,086,627 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 8.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.15 AU - 1.35 AU

Year: 889 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 21,718,379 km

• M1: 111,151 km (0.062 R)
• M2: 167,101 km (0.119 R)
• M3: 227,239 km (0.071 R)
• M4: 320,139 km (0.112 R)
• M5: 389,852 km (0.111 R)
• M6: 453,431 km (0.073 R)
• M7: 547,528 km (0.108 R)
• M8: 658,530 km (0.107 R)
• M9: 762,201 km (0.076 R)
• M10: 947,703 km (0.081 R)
• M11: 1,026,092 km (0.113 R)
• M12: 1,136,046 km (0.062 R)
• M13: 1,293,124 km (0.094 R)
• M14: 1,349,223 km (0.031 R)
• M15: 1,451,099 km (0.062 R)
• M16: 1,535,772 km (0.087 R)
• M17: 1,608,776 km (0.118 R)
• M18: 1,848,880 km (0.056 R)
• M19: 1,948,213 km (0.077 R)
• M20: 2,005,808 km (0.11 R)
• M21: 2,107,984 km (0.117 R)
• M22: 2,174,555 km (0.047 R)
• M23: 2,264,463 km (0.056 R)
• M24: 2,432,611 km (0.104 R)
• M25: 2,789,551 km (0.119 R)
• M26: 2,879,310 km (0.065 R)
• M27: 3,053,293 km (0.119 R)
• M28: 3,145,894 km (0.044 R)
• M29: 3,222,488 km (0.035 R)
• M30: 3,290,854 km (0.058 R)
• M31: 3,499,393 km (0.05 R)
• M32: 3,685,344 km (0.119 R)
• M33: 3,829,257 km (0.115 R)
• M34: 3,920,063 km (0.093 R)
• M35: 4,002,491 km (0.05 R)
• M36: 4,319,190 km (0.112 R)
• M37: 4,394,886 km (0.107 R)
• M38: 4,538,051 km (0.105 R)
• M39: 5,056,109 km (0.076 R)
• M40: 5,398,239 km (0.037 R)
• M41: 5,490,092 km (0.104 R)
• M42: 5,644,477 km (0.074 R)
• M43: 5,800,209 km (0.097 R)
• M44: 6,009,945 km (0.074 R)
• M45: 6,105,239 km (0.097 R)
• M46: 6,211,752 km (0.118 R)
• M47: 6,308,093 km (0.115 R)
• M48: 6,415,654 km (0.067 R)
• M49: 6,665,483 km (0.107 R)
• M50: 6,929,673 km (0.085 R)
• M51: 6,996,244 km (0.12 R)
• M52: 7,287,211 km (0.11 R)
• M53: 7,445,486 km (0.083 R)
• M54: 7,559,330 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.1

Radius: 14

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.32 AU - 1.48 AU

Year: 1053 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 21,718,379 km

• M1: 178,470 km (0.12 R)
• M2: 308,022 km (0.116 R)
• M3: 435,031 km (0.065 R)
• M4: 533,915 km (0.079 R)
• M5: 706,401 km (0.096 R)
• M6: 817,852 km (0.06 R)
• M7: 1,029,084 km (0.097 R)
• M8: 1,118,992 km (0.108 R)
• M9: 1,238,970 km (0.085 R)
• M10: 1,328,579 km (0.05 R)
• M11: 1,470,996 km (0.097 R)
• M12: 1,573,919 km (0.097 R)
• M13: 1,687,165 km (0.074 R)
• M14: 1,850,376 km (0.09 R)
• M15: 1,938,190 km (0.1 R)
• M16: 2,277,927 km (0.052 R)
• M17: 2,381,149 km (0.036 R)
• M18: 2,574,579 km (0.042 R)
• M19: 2,700,391 km (0.093 R)
• M20: 2,893,073 km (0.106 R)
• M21: 3,292,500 km (0.107 R)
• M22: 3,429,681 km (0.101 R)
• M23: 3,538,738 km (0.1 R)
• M24: 3,659,164 km (0.111 R)
• M25: 3,976,611 km (0.117 R)
• M26: 4,091,502 km (0.03 R)
• M27: 4,249,926 km (0.065 R)
• M28: 4,378,281 km (0.076 R)
• M29: 4,475,220 km (0.074 R)
• M30: 4,573,057 km (0.06 R)
• M31: 4,804,036 km (0.099 R)
• M32: 4,915,487 km (0.093 R)
• M33: 5,084,233 km (0.069 R)
• M34: 5,197,778 km (0.088 R)
• M35: 5,719,426 km (0.1 R)
• M36: 5,956,688 km (0.04 R)
• M37: 6,161,039 km (0.106 R)
• M38: 6,294,480 km (0.09 R)
• M39: 6,490,304 km (0.036 R)
• M40: 6,737,888 km (0.065 R)
• M41: 6,913,217 km (0.09 R)
• M42: 7,077,326 km (0.114 R)
• M43: 7,217,200 km (0.034 R)
• M44: 7,319,525 km (0.111 R)
• M45: 7,448,029 km (0.087 R)
• M46: 7,629,342 km (0.086 R)
• M47: 7,799,135 km (0.096 R)
• M48: 8,235,512 km (0.091 R)
• M49: 8,625,664 km (0.098 R)
• M50: 8,747,885 km (0.101 R)
• M51: 8,898,231 km (0.072 R)
• M52: 9,049,474 km (0.112 R)
• M53: 9,146,115 km (0.102 R)
• M54: 9,452,042 km (0.104 R)

Asteroid Belt

Center: 2.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 8.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.25 AU - 4.45 AU

Year: 4803 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 21,718,379 km

• M1: 114,442 km (0.109 R)
• M2: 222,452 km (0.084 R)
• M3: 297,251 km (0.101 R)
• M4: 398,529 km (0.094 R)
• M5: 470,934 km (0.114 R)
• M6: 697,724 km (0.098 R)
• M7: 1,002,904 km (0.03 R)
• M8: 1,105,827 km (0.044 R)
• M9: 1,310,178 km (0.114 R)
• M10: 1,566,290 km (0.119 R)
• M11: 1,937,143 km (0.111 R)
• M12: 2,037,673 km (0.116 R)
• M13: 2,184,428 km (0.084 R)
• M14: 2,426,627 km (0.052 R)
• M15: 2,535,385 km (0.115 R)
• M16: 2,645,788 km (0.097 R)
• M17: 2,854,926 km (0.101 R)
• M18: 2,936,905 km (0.117 R)
• M19: 3,052,993 km (0.095 R)
• M20: 3,393,029 km (0.119 R)
• M21: 3,727,231 km (0.094 R)
• M22: 3,835,091 km (0.116 R)
• M23: 4,053,803 km (0.101 R)
• M24: 4,314,103 km (0.095 R)
• M25: 4,618,385 km (0.12 R)
• M26: 4,811,965 km (0.119 R)
• M27: 5,227,548 km (0.049 R)
• M28: 5,470,196 km (0.07 R)
• M29: 5,861,993 km (0.103 R)
• M30: 6,156,401 km (0.08 R)
• M31: 6,326,943 km (0.085 R)
• M32: 7,046,658 km (0.115 R)
• M33: 7,359,766 km (0.088 R)
• M34: 7,746,178 km (0.105 R)
• M35: 7,861,069 km (0.094 R)
• M36: 8,046,121 km (0.105 R)
• M37: 8,139,171 km (0.037 R)
• M38: 8,467,688 km (0.048 R)
• M39: 9,113,652 km (0.093 R)
• M40: 9,356,898 km (0.089 R)
• M41: 9,775,323 km (0.026 R)
• M42: 10,149,767 km (0.099 R)
• M43: 10,809,643 km (0.096 R)
• M44: 11,352,833 km (0.058 R)
• M45: 11,483,432 km (0.113 R)
• M46: 12,064,320 km (0.073 R)
• M47: 12,251,018 km (0.109 R)
• M48: 12,681,561 km (0.081 R)
• M49: 12,898,777 km (0.08 R)
• M50: 12,953,231 km (0.089 R)
• M51: 13,007,834 km (0.099 R)
• M52: 13,226,845 km (0.08 R)
• M53: 13,309,274 km (0.107 R)
• M54: 14,058,909 km (0.065 R)
• M55: 14,171,257 km (0.074 R)
• M56: 14,623,192 km (0.06 R)
• M57: 14,793,883 km (0.096 R)
• M58: 15,137,210 km (0.119 R)
• M59: 15,454,208 km (0.112 R)
• M60: 15,599,168 km (0.098 R)
• M61: 15,831,793 km (0.117 R)
• M62: 16,744,490 km (0.118 R)
• M63: 18,190,951 km (0.111 R)
• M64: 19,053,084 km (0.111 R)
• M65: 19,520,428 km (0.097 R)
• M66: 19,614,375 km (0.089 R)
• M67: 19,991,511 km (0.083 R)
• M68: 20,307,612 km (0.103 R)
• M69: 20,849,006 km (0.08 R)
• M70: 20,944,899 km (0.078 R)
• M71: 21,105,268 km (0.029 R)
• M72: 21,298,249 km (0.068 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: 430 - 18,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit