🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.58 AU - 0.62 AU

Year: 166 Days

Day: 17.6 Hours

Environment

Temp: 251 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 51,353,127 km

• M1: 239,207 km (0.05 R)
• M2: 335,099 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.75 AU - 0.99 AU

Year: 289 Days

Day: 15.8 Hours

Environment

Temp: 115 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.88 AU - 1.14 AU

Year: 362 Days

Day: 25.5 Hours

Environment

Temp: 133 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,353,127 km

• M1: 555,158 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.96 AU - 1.48 AU

Year: 480 Days

Day: 43.2 Hours

Environment

Temp: -0 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.46 AU - 2.4 AU

Year: 956 Days

Day: 33.4 Hours

Environment

Temp: -44 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.94 AU - 2.44 AU

Year: 1155 Days

Day: 46.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.23 AU - 3.49 AU

Year: 1724 Days

Day: 13.1 Hours

Environment

Temp: -98 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,353,127 km

• M1: 800,199 km (0.118 R)

Asteroid Belt

Center: 5.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.2

Radius: 9.1

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.42 AU - 8.58 AU

Year: 8833 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 51,353,127 km

• M1: 534,663 km (0.05 R)
• M2: 594,801 km (0.102 R)
• M3: 689,945 km (0.111 R)
• M4: 969,993 km (0.1 R)
• M5: 1,326,185 km (0.088 R)
• M6: 1,744,610 km (0.082 R)
• M7: 2,303,508 km (0.114 R)
• M8: 2,832,037 km (0.086 R)
• M9: 3,082,165 km (0.103 R)
• M10: 3,252,856 km (0.069 R)
• M11: 3,339,324 km (0.096 R)
• M12: 3,905,252 km (0.109 R)
• M13: 4,404,909 km (0.046 R)
• M14: 5,091,414 km (0.072 R)
• M15: 5,293,670 km (0.065 R)
• M16: 6,745,368 km (0.094 R)
• M17: 7,534,048 km (0.056 R)
• M18: 7,649,089 km (0.09 R)
• M19: 8,430,887 km (0.119 R)
• M20: 8,510,623 km (0.115 R)
• M21: 9,651,007 km (0.079 R)
• M22: 9,817,809 km (0.101 R)
• M23: 11,538,334 km (0.119 R)
• M24: 11,715,458 km (0.079 R)
• M25: 11,982,789 km (0.118 R)
• M26: 12,614,541 km (0.045 R)
• M27: 13,582,439 km (0.047 R)
• M28: 13,722,762 km (0.087 R)
• M29: 13,863,384 km (0.1 R)
• M30: 13,957,481 km (0.081 R)
• M31: 14,861,800 km (0.103 R)
• M32: 15,151,272 km (0.096 R)
• M33: 15,686,833 km (0.108 R)
• M34: 16,327,860 km (0.092 R)
• M35: 16,477,009 km (0.118 R)
• M36: 17,280,050 km (0.095 R)
• M37: 17,635,345 km (0.085 R)
• M38: 17,941,871 km (0.065 R)
• M39: 18,044,346 km (0.113 R)
• M40: 18,767,801 km (0.114 R)
• M41: 19,553,339 km (0.055 R)
• M42: 20,510,167 km (0.108 R)
• M43: 20,832,551 km (0.119 R)
• M44: 21,210,734 km (0.072 R)
• M45: 22,083,638 km (0.102 R)
• M46: 22,248,644 km (0.093 R)
• M47: 22,414,099 km (0.078 R)
• M48: 22,746,057 km (0.09 R)
• M49: 22,968,359 km (0.113 R)
• M50: 23,191,260 km (0.05 R)
• M51: 23,920,999 km (0.075 R)
• M52: 24,715,214 km (0.067 R)
• M53: 24,829,357 km (0.106 R)
• M54: 25,230,279 km (0.09 R)
• M55: 25,402,766 km (0.106 R)
• M56: 25,460,361 km (0.057 R)
• M57: 25,575,701 km (0.099 R)
• M58: 26,038,557 km (0.064 R)
• M59: 26,621,240 km (0.039 R)
• M60: 27,090,379 km (0.104 R)
• M61: 27,208,113 km (0.094 R)
• M62: 27,799,174 km (0.109 R)
• M63: 28,454,413 km (0.092 R)
• M64: 28,813,896 km (0.063 R)
• M65: 29,235,164 km (0.062 R)
• M66: 29,295,601 km (0.05 R)
• M67: 29,537,352 km (0.115 R)
• M68: 31,125,483 km (0.058 R)
• M69: 31,187,117 km (0.08 R)
• M70: 31,248,751 km (0.081 R)
• M71: 31,743,621 km (0.078 R)
• M72: 31,929,870 km (0.112 R)
• M73: 32,615,926 km (0.096 R)
• M74: 34,383,874 km (0.087 R)
• M75: 35,086,984 km (0.083 R)
• M76: 35,536,974 km (0.117 R)
• M77: 35,794,881 km (0.101 R)
• M78: 36,572,341 km (0.101 R)
• M79: 36,637,416 km (0.055 R)
• M80: 37,552,207 km (0.085 R)
• M81: 37,683,404 km (0.113 R)
• M82: 37,749,227 km (0.09 R)
• M83: 38,144,166 km (0.1 R)
• M84: 38,276,111 km (0.113 R)
• M85: 39,137,645 km (0.098 R)
• M86: 39,737,832 km (0.101 R)
• M87: 40,744,925 km (0.067 R)
• M88: 41,217,804 km (0.066 R)
• M89: 41,285,572 km (0.109 R)
• M90: 43,058,755 km (0.114 R)
• M91: 43,127,421 km (0.093 R)
• M92: 43,540,311 km (0.115 R)
• M93: 44,578,370 km (0.047 R)
• M94: 45,905,004 km (0.084 R)
• M95: 46,890,705 km (0.094 R)
• M96: 47,032,075 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.4

Radius: 9.1

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.61 AU - 9.43 AU

Year: 9656 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 51,353,127 km

• M1: 143,165 km (0.101 R)
• M2: 258,056 km (0.093 R)
• M3: 353,201 km (0.078 R)
• M4: 635,342 km (0.107 R)
• M5: 720,763 km (0.111 R)
• M6: 792,270 km (0.068 R)
• M7: 1,144,573 km (0.1 R)
• M8: 1,405,472 km (0.076 R)
• M9: 1,566,439 km (0.043 R)
• M10: 2,570,540 km (0.095 R)
• M11: 2,654,764 km (0.09 R)
• M12: 2,740,035 km (0.118 R)
• M13: 3,001,083 km (0.108 R)
• M14: 3,209,772 km (0.069 R)
• M15: 3,673,077 km (0.103 R)
• M16: 4,593,552 km (0.045 R)
• M17: 5,079,446 km (0.115 R)
• M18: 5,950,405 km (0.086 R)
• M19: 6,750,155 km (0.088 R)
• M20: 7,868,250 km (0.092 R)
• M21: 8,281,439 km (0.115 R)
• M22: 8,574,950 km (0.119 R)
• M23: 8,786,631 km (0.063 R)
• M24: 8,957,173 km (0.116 R)
• M25: 9,258,463 km (0.088 R)
• M26: 9,563,044 km (0.09 R)
• M27: 9,959,478 km (0.08 R)
• M28: 10,406,327 km (0.035 R)
• M29: 12,833,702 km (0.088 R)
• M30: 13,027,431 km (0.098 R)
• M31: 13,173,289 km (0.049 R)
• M32: 13,270,827 km (0.111 R)
• M33: 13,960,772 km (0.098 R)
• M34: 14,210,003 km (0.088 R)
• M35: 14,510,993 km (0.09 R)
• M36: 14,662,237 km (0.118 R)
• M37: 14,763,365 km (0.081 R)
• M38: 15,221,434 km (0.115 R)
• M39: 15,323,908 km (0.118 R)
• M40: 15,839,423 km (0.051 R)
• M41: 16,203,693 km (0.052 R)
• M42: 17,634,747 km (0.05 R)
• M43: 18,338,006 km (0.082 R)
• M44: 18,447,063 km (0.101 R)
• M45: 18,556,269 km (0.09 R)
• M46: 19,437,999 km (0.109 R)
• M47: 19,772,051 km (0.12 R)
• M48: 20,276,795 km (0.101 R)
• M49: 20,559,086 km (0.068 R)
• M50: 20,899,571 km (0.072 R)
• M51: 21,013,415 km (0.084 R)
• M52: 21,643,670 km (0.119 R)
• M53: 22,396,297 km (0.116 R)
• M54: 22,629,670 km (0.092 R)
• M55: 22,746,655 km (0.025 R)
• M56: 23,748,961 km (0.081 R)
• M57: 25,249,129 km (0.117 R)
• M58: 25,431,189 km (0.106 R)
• M59: 26,532,678 km (0.119 R)
• M60: 27,774,939 km (0.109 R)
• M61: 28,088,347 km (0.106 R)
• M62: 28,151,178 km (0.118 R)
• M63: 29,099,479 km (0.081 R)
• M64: 29,354,094 km (0.072 R)
• M65: 32,072,138 km (0.05 R)
• M66: 33,861,478 km (0.117 R)
• M67: 34,129,408 km (0.058 R)
• M68: 36,297,380 km (0.094 R)
• M69: 38,230,633 km (0.111 R)
• M70: 40,126,338 km (0.092 R)
• M71: 40,907,388 km (0.066 R)
• M72: 41,407,045 km (0.115 R)
• M73: 42,052,410 km (0.031 R)
• M74: 43,425,868 km (0.082 R)
• M75: 43,643,982 km (0.101 R)
• M76: 44,520,476 km (0.086 R)
• M77: 45,402,804 km (0.12 R)
• M78: 46,216,467 km (0.063 R)
• M79: 46,811,418 km (0.093 R)
• M80: 48,008,799 km (0.097 R)
• M81: 48,535,832 km (0.097 R)
• M82: 48,686,777 km (0.098 R)
• M83: 49,064,661 km (0.051 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 12,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit