🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.58 AU - 0.64 AU

Year: 308 Days

Day: 33.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.55 AU - 0.73 AU

Year: 331 Days

Day: 33.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.7

Radius: 13.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.87 AU - 1.07 AU

Year: 617 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,527,009 km

• M1: 181,761 km (0.104 R)
• M2: 300,841 km (0.097 R)
• M3: 390,750 km (0.105 R)
• M4: 490,083 km (0.109 R)
• M5: 587,172 km (0.111 R)
• M6: 680,222 km (0.115 R)
• M7: 801,994 km (0.101 R)
• M8: 939,026 km (0.081 R)
• M9: 1,110,615 km (0.119 R)
• M10: 1,208,152 km (0.117 R)
• M11: 1,312,871 km (0.075 R)
• M12: 1,416,841 km (0.113 R)
• M13: 1,540,559 km (0.103 R)
• M14: 1,812,528 km (0.066 R)
• M15: 2,007,454 km (0.114 R)
• M16: 2,138,352 km (0.12 R)
• M17: 2,349,734 km (0.047 R)
• M18: 2,453,255 km (0.089 R)
• M19: 2,553,187 km (0.113 R)
• M20: 2,716,249 km (0.07 R)
• M21: 2,851,186 km (0.1 R)
• M22: 3,015,295 km (0.085 R)
• M23: 3,204,237 km (0.075 R)
• M24: 3,292,051 km (0.107 R)
• M25: 3,414,123 km (0.097 R)
• M26: 3,526,321 km (0.081 R)
• M27: 3,668,439 km (0.071 R)
• M28: 3,940,857 km (0.118 R)
• M29: 4,041,087 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 14.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.87 AU - 2.59 AU

Year: 2150 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 42,527,009 km

• M1: 219,759 km (0.086 R)
• M2: 323,580 km (0.1 R)
• M3: 558,299 km (0.085 R)
• M4: 792,719 km (0.059 R)
• M5: 950,395 km (0.104 R)
• M6: 1,070,074 km (0.108 R)
• M7: 1,326,335 km (0.077 R)
• M8: 1,425,668 km (0.093 R)
• M9: 1,565,392 km (0.089 R)
• M10: 1,680,582 km (0.077 R)
• M11: 1,779,018 km (0.044 R)
• M12: 1,950,906 km (0.081 R)
• M13: 2,203,577 km (0.069 R)
• M14: 2,389,078 km (0.077 R)
• M15: 2,568,595 km (0.067 R)
• M16: 2,846,548 km (0.116 R)
• M17: 2,977,297 km (0.077 R)
• M18: 3,085,905 km (0.089 R)
• M19: 3,220,393 km (0.094 R)
• M20: 3,406,942 km (0.093 R)
• M21: 3,597,380 km (0.107 R)
• M22: 3,882,962 km (0.048 R)
• M23: 4,015,356 km (0.117 R)
• M24: 4,135,783 km (0.093 R)
• M25: 4,339,236 km (0.116 R)
• M26: 4,559,893 km (0.095 R)
• M27: 4,798,651 km (0.089 R)
• M28: 4,926,557 km (0.118 R)
• M29: 5,157,087 km (0.082 R)
• M30: 5,406,018 km (0.09 R)
• M31: 5,524,500 km (0.067 R)
• M32: 5,915,698 km (0.105 R)
• M33: 6,378,404 km (0.107 R)
• M34: 6,773,044 km (0.098 R)
• M35: 6,917,106 km (0.104 R)
• M36: 7,013,747 km (0.112 R)
• M37: 7,224,680 km (0.104 R)
• M38: 7,388,340 km (0.044 R)
• M39: 7,536,591 km (0.107 R)
• M40: 7,853,140 km (0.092 R)
• M41: 8,038,342 km (0.096 R)
• M42: 8,447,642 km (0.11 R)
• M43: 8,654,835 km (0.087 R)
• M44: 9,092,110 km (0.115 R)
• M45: 9,915,347 km (0.09 R)
• M46: 10,446,719 km (0.027 R)
• M47: 10,576,420 km (0.05 R)
• M48: 11,176,008 km (0.085 R)
• M49: 11,365,698 km (0.073 R)
• M50: 11,748,220 km (0.051 R)
• M51: 11,863,859 km (0.063 R)
• M52: 11,999,096 km (0.05 R)
• M53: 12,115,632 km (0.109 R)
• M54: 12,212,871 km (0.089 R)
• M55: 12,467,187 km (0.115 R)
• M56: 12,644,162 km (0.077 R)
• M57: 12,782,540 km (0.112 R)
• M58: 13,160,424 km (0.087 R)
• M59: 13,260,505 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.6

Radius: 9.1

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.78 AU - 7.18 AU

Year: 9442 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 42,527,009 km

• M1: 311,912 km (0.08 R)
• M2: 414,984 km (0.061 R)
• M3: 601,683 km (0.116 R)
• M4: 816,056 km (0.109 R)
• M5: 1,090,868 km (0.104 R)
• M6: 1,394,551 km (0.069 R)
• M7: 1,494,782 km (0.05 R)
• M8: 1,576,911 km (0.107 R)
• M9: 1,724,265 km (0.093 R)
• M10: 1,898,397 km (0.044 R)
• M11: 2,601,806 km (0.116 R)
• M12: 2,827,699 km (0.108 R)
• M13: 3,298,334 km (0.1 R)
• M14: 3,570,602 km (0.054 R)
• M15: 4,136,680 km (0.106 R)
• M16: 4,489,881 km (0.112 R)
• M17: 4,852,805 km (0.101 R)
• M18: 4,975,775 km (0.113 R)
• M19: 5,162,473 km (0.094 R)
• M20: 5,414,845 km (0.101 R)
• M21: 5,866,480 km (0.112 R)
• M22: 5,997,678 km (0.083 R)
• M23: 6,532,490 km (0.034 R)
• M24: 6,805,506 km (0.043 R)
• M25: 7,469,272 km (0.098 R)
• M26: 7,755,004 km (0.099 R)
• M27: 8,410,841 km (0.107 R)
• M28: 9,542,998 km (0.086 R)
• M29: 9,814,069 km (0.061 R)
• M30: 10,324,347 km (0.107 R)
• M31: 10,923,637 km (0.115 R)
• M32: 11,004,419 km (0.108 R)
• M33: 11,616,574 km (0.102 R)
• M34: 13,388,860 km (0.073 R)
• M35: 13,605,478 km (0.115 R)
• M36: 13,823,142 km (0.083 R)
• M37: 14,218,081 km (0.063 R)
• M38: 14,527,748 km (0.116 R)
• M39: 15,063,758 km (0.106 R)
• M40: 15,334,231 km (0.051 R)
• M41: 16,432,129 km (0.078 R)
• M42: 16,943,754 km (0.077 R)
• M43: 17,131,051 km (0.084 R)
• M44: 17,319,095 km (0.06 R)
• M45: 17,934,990 km (0.097 R)
• M46: 18,078,155 km (0.107 R)
• M47: 19,090,783 km (0.11 R)
• M48: 19,188,171 km (0.104 R)
• M49: 20,072,294 km (0.065 R)
• M50: 20,569,109 km (0.08 R)
• M51: 21,019,847 km (0.113 R)
• M52: 21,120,377 km (0.065 R)
• M53: 21,322,035 km (0.087 R)
• M54: 22,494,134 km (0.109 R)
• M55: 23,010,097 km (0.111 R)
• M56: 23,165,679 km (0.087 R)
• M57: 23,321,710 km (0.103 R)
• M58: 23,634,519 km (0.086 R)
• M59: 23,843,956 km (0.072 R)
• M60: 24,001,482 km (0.092 R)
• M61: 24,317,283 km (0.054 R)
• M62: 24,581,623 km (0.078 R)
• M63: 25,971,537 km (0.098 R)
• M64: 26,404,323 km (0.114 R)
• M65: 26,567,235 km (0.103 R)
• M66: 27,331,830 km (0.112 R)
• M67: 27,661,693 km (0.057 R)
• M68: 27,772,097 km (0.09 R)
• M69: 28,159,106 km (0.083 R)
• M70: 29,106,659 km (0.102 R)
• M71: 29,218,858 km (0.085 R)
• M72: 29,838,193 km (0.097 R)
• M73: 30,007,986 km (0.079 R)
• M74: 30,234,777 km (0.057 R)
• M75: 32,242,979 km (0.077 R)
• M76: 32,999,944 km (0.077 R)
• M77: 33,234,065 km (0.081 R)
• M78: 33,292,557 km (0.063 R)
• M79: 33,939,568 km (0.088 R)
• M80: 35,007,099 km (0.081 R)
• M81: 36,326,701 km (0.092 R)
• M82: 36,689,476 km (0.086 R)
• M83: 37,357,580 km (0.08 R)
• M84: 38,582,637 km (0.112 R)
• M85: 38,891,108 km (0.073 R)
• M86: 39,448,061 km (0.117 R)
• M87: 40,132,471 km (0.112 R)
• M88: 40,695,408 km (0.111 R)
• M89: 42,336,347 km (0.093 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: 289 - 16,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit