🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.53 AU - 0.69 AU

Year: 173 Days

Day: 27.6 Hours

Environment

Temp: 171 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.51 AU - 0.75 AU

Year: 182 Days

Day: 22 Hours

Environment

Temp: 177 °C

Axial Tilt: 58.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.93 AU - 2.57 AU

Year: 1227 Days

Day: 35.2 Hours

Environment

Temp: -81 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,456,523 km

• M1: 377,435 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.57 AU - 4.25 AU

Year: 2810 Days

Day: 39.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4 AU - 4.34 AU

Year: 3095 Days

Day: 40.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 9.4

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.77 AU - 7.95 AU

Year: 6530 Days

Day: 10.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 85,456,523 km

• M1: 120,277 km (0.113 R)
• M2: 199,863 km (0.1 R)
• M3: 273,914 km (0.116 R)
• M4: 394,340 km (0.104 R)
• M5: 474,524 km (0.09 R)
• M6: 561,142 km (0.049 R)
• M7: 626,665 km (0.096 R)
• M8: 886,367 km (0.096 R)
• M9: 1,319,304 km (0.105 R)
• M10: 1,483,562 km (0.059 R)
• M11: 1,577,809 km (0.081 R)
• M12: 1,674,150 km (0.118 R)
• M13: 2,016,430 km (0.106 R)
• M14: 2,079,261 km (0.03 R)
• M15: 2,402,841 km (0.118 R)
• M16: 2,559,470 km (0.067 R)
• M17: 2,650,425 km (0.102 R)
• M18: 2,789,103 km (0.106 R)
• M19: 3,121,958 km (0.114 R)
• M20: 3,417,414 km (0.039 R)
• M21: 3,773,457 km (0.087 R)
• M22: 4,604,174 km (0.062 R)
• M23: 5,227,099 km (0.114 R)
• M24: 5,343,337 km (0.118 R)
• M25: 5,519,114 km (0.078 R)
• M26: 5,756,526 km (0.079 R)
• M27: 6,119,002 km (0.113 R)
• M28: 6,364,791 km (0.104 R)
• M29: 6,739,683 km (0.083 R)
• M30: 6,802,814 km (0.094 R)
• M31: 7,057,579 km (0.115 R)
• M32: 7,218,247 km (0.106 R)
• M33: 7,609,146 km (0.099 R)
• M34: 7,740,942 km (0.106 R)
• M35: 8,040,437 km (0.048 R)
• M36: 8,275,904 km (0.104 R)
• M37: 8,513,764 km (0.101 R)
• M38: 8,996,068 km (0.088 R)
• M39: 9,487,347 km (0.094 R)
• M40: 10,975,846 km (0.048 R)
• M41: 11,349,841 km (0.089 R)
• M42: 11,462,787 km (0.114 R)
• M43: 11,538,334 km (0.082 R)
• M44: 11,614,031 km (0.084 R)
• M45: 11,995,206 km (0.091 R)
• M46: 12,730,629 km (0.052 R)
• M47: 13,123,473 km (0.047 R)
• M48: 13,281,748 km (0.05 R)
• M49: 13,520,506 km (0.093 R)
• M50: 13,720,369 km (0.084 R)
• M51: 13,881,037 km (0.12 R)
• M52: 14,529,992 km (0.041 R)
• M53: 14,652,812 km (0.057 R)
• M54: 15,355,025 km (0.101 R)
• M55: 18,228,052 km (0.053 R)
• M56: 18,537,570 km (0.055 R)
• M57: 18,759,872 km (0.111 R)
• M58: 19,431,716 km (0.097 R)
• M59: 20,385,552 km (0.118 R)
• M60: 20,937,568 km (0.08 R)
• M61: 21,727,894 km (0.118 R)
• M62: 22,009,138 km (0.092 R)
• M63: 22,433,248 km (0.029 R)
• M64: 22,812,628 km (0.073 R)
• M65: 23,050,788 km (0.101 R)
• M66: 24,399,562 km (0.045 R)
• M67: 25,427,898 km (0.093 R)
• M68: 26,021,951 km (0.066 R)
• M69: 27,577,470 km (0.081 R)
• M70: 28,494,505 km (0.063 R)
• M71: 29,888,757 km (0.103 R)
• M72: 29,992,877 km (0.106 R)
• M73: 30,672,799 km (0.101 R)
• M74: 31,410,766 km (0.091 R)
• M75: 32,261,379 km (0.114 R)
• M76: 32,904,201 km (0.117 R)
• M77: 33,173,328 km (0.035 R)
• M78: 33,822,134 km (0.119 R)
• M79: 35,904,387 km (0.087 R)
• M80: 37,128,845 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.9

Radius: 7

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 16.51 AU - 19.61 AU

Year: 27894 Days

Day: 23.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 85,456,523 km

• M1: 622,327 km (0.104 R)
• M2: 848,220 km (0.096 R)
• M3: 1,070,223 km (0.083 R)
• M4: 1,128,716 km (0.096 R)
• M5: 2,827,250 km (0.091 R)
• M6: 3,033,246 km (0.085 R)
• M7: 3,244,179 km (0.029 R)
• M8: 3,503,582 km (0.064 R)
• M9: 3,547,414 km (0.07 R)
• M10: 3,635,827 km (0.112 R)
• M11: 6,444,227 km (0.095 R)
• M12: 6,498,083 km (0.071 R)
• M13: 7,438,156 km (0.042 R)
• M14: 8,068,860 km (0.105 R)
• M15: 8,302,532 km (0.086 R)
• M16: 9,565,138 km (0.101 R)
• M17: 9,874,507 km (0.096 R)
• M18: 12,064,021 km (0.057 R)
• M19: 13,007,535 km (0.088 R)
• M20: 15,758,341 km (0.099 R)
• M21: 15,831,195 km (0.107 R)
• M22: 16,050,356 km (0.115 R)
• M23: 17,161,269 km (0.065 R)
• M24: 17,688,153 km (0.12 R)
• M25: 17,915,691 km (0.081 R)
• M26: 18,526,799 km (0.089 R)
• M27: 18,834,970 km (0.08 R)
• M28: 20,242,686 km (0.111 R)
• M29: 20,560,133 km (0.046 R)
• M30: 21,522,197 km (0.058 R)
• M31: 22,416,942 km (0.105 R)
• M32: 23,907,236 km (0.116 R)
• M33: 24,158,710 km (0.109 R)
• M34: 25,173,282 km (0.096 R)
• M35: 25,771,674 km (0.117 R)
• M36: 26,115,599 km (0.097 R)
• M37: 29,189,686 km (0.097 R)
• M38: 30,360,289 km (0.072 R)
• M39: 31,546,152 km (0.06 R)
• M40: 32,468,722 km (0.08 R)
• M41: 32,747,273 km (0.062 R)
• M42: 34,245,795 km (0.102 R)
• M43: 34,434,737 km (0.11 R)
• M44: 38,578,897 km (0.03 R)
• M45: 39,664,080 km (0.077 R)
• M46: 39,763,264 km (0.092 R)
• M47: 41,662,708 km (0.026 R)
• M48: 46,069,263 km (0.079 R)
• M49: 47,851,721 km (0.112 R)
• M50: 48,698,445 km (0.095 R)
• M51: 49,656,769 km (0.109 R)
• M52: 50,836,498 km (0.113 R)
• M53: 54,430,886 km (0.11 R)
• M54: 55,203,858 km (0.092 R)
• M55: 55,536,115 km (0.108 R)
• M56: 55,980,271 km (0.077 R)
• M57: 61,516,440 km (0.107 R)
• M58: 62,091,045 km (0.108 R)
• M59: 62,667,446 km (0.114 R)
• M60: 63,129,853 km (0.078 R)
• M61: 63,709,544 km (0.077 R)
• M62: 67,105,865 km (0.069 R)
• M63: 67,815,856 km (0.071 R)
• M64: 68,290,680 km (0.112 R)
• M65: 70,560,678 km (0.065 R)
• M66: 70,680,805 km (0.083 R)
• M67: 70,801,082 km (0.116 R)
• M68: 71,886,115 km (0.068 R)
• M69: 72,976,833 km (0.027 R)
• M70: 74,684,194 km (0.062 R)
• M71: 75,051,756 km (0.105 R)
• M72: 77,145,976 km (0.096 R)
• M73: 77,641,594 km (0.083 R)
• M74: 79,009,816 km (0.116 R)
• M75: 79,259,345 km (0.079 R)
• M76: 79,384,260 km (0.09 R)
• M77: 82,401,798 km (0.079 R)
• M78: 82,528,209 km (0.084 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 16,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit