🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.99 AU - 1.17 AU

Year: 400 Days

Day: 17.6 Hours

Environment

Temp: 18 °C

Axial Tilt: 42.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,790,635 km

• M1: 451,486 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.13 AU - 1.35 AU

Year: 492 Days

Day: 33.3 Hours

Environment

Temp: 14 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.09 AU - 1.57 AU

Year: 547 Days

Day: 43.1 Hours

Environment

Temp: -8 °C

Axial Tilt: 18.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,790,635 km

• M1: 348,563 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.29 AU - 1.67 AU

Year: 642 Days

Day: 35.6 Hours

Environment

Temp: -1 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,790,635 km

• M1: 625,020 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.54 AU - 1.8 AU

Year: 769 Days

Day: 21.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 137.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,790,635 km

• M1: 120,725 km (0.042 R)
• M2: 146,456 km (0.091 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.77 AU - 2.43 AU

Year: 1085 Days

Day: 31.7 Hours

Environment

Temp: -60 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,790,635 km

• M1: 501,602 km (0.103 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.29 AU - 2.55 AU

Year: 1342 Days

Day: 17.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,790,635 km

• M1: 616,194 km (0.097 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.97 AU - 4.45 AU

Year: 3079 Days

Day: 47.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 10.2

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.04 AU - 10.76 AU

Year: 11103 Days

Day: 12.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 79,790,635 km

• M1: 177,423 km (0.11 R)
• M2: 292,015 km (0.097 R)
• M3: 472,580 km (0.103 R)
• M4: 642,672 km (0.032 R)
• M5: 1,104,930 km (0.049 R)
• M6: 1,229,694 km (0.093 R)
• M7: 1,425,967 km (0.1 R)
• M8: 1,562,550 km (0.093 R)
• M9: 2,049,790 km (0.101 R)
• M10: 2,337,317 km (0.104 R)
• M11: 2,527,157 km (0.083 R)
• M12: 2,807,204 km (0.094 R)
• M13: 3,186,285 km (0.11 R)
• M14: 3,832,847 km (0.103 R)
• M15: 4,385,761 km (0.048 R)
• M16: 4,825,579 km (0.101 R)
• M17: 4,998,514 km (0.112 R)
• M18: 6,341,304 km (0.111 R)
• M19: 6,760,926 km (0.076 R)
• M20: 7,507,120 km (0.046 R)
• M21: 8,238,056 km (0.11 R)
• M22: 8,445,099 km (0.063 R)
• M23: 8,695,975 km (0.08 R)
• M24: 8,949,244 km (0.098 R)
• M25: 9,290,776 km (0.088 R)
• M26: 9,898,592 km (0.089 R)
• M27: 10,879,804 km (0.052 R)
• M28: 11,290,151 km (0.031 R)
• M29: 12,267,325 km (0.096 R)
• M30: 12,409,143 km (0.066 R)
• M31: 12,598,983 km (0.109 R)
• M32: 12,742,148 km (0.11 R)
• M33: 13,416,984 km (0.077 R)
• M34: 13,660,829 km (0.088 R)
• M35: 14,004,754 km (0.097 R)
• M36: 14,153,006 km (0.085 R)
• M37: 14,902,042 km (0.11 R)
• M38: 15,053,435 km (0.108 R)
• M39: 15,766,568 km (0.096 R)
• M40: 15,972,265 km (0.068 R)
• M41: 16,699,610 km (0.089 R)
• M42: 17,331,512 km (0.058 R)
• M43: 17,917,786 km (0.119 R)
• M44: 18,132,459 km (0.083 R)
• M45: 20,663,206 km (0.087 R)
• M46: 21,797,756 km (0.058 R)
• M47: 21,912,199 km (0.097 R)
• M48: 22,257,171 km (0.088 R)
• M49: 22,952,353 km (0.034 R)
• M50: 23,537,131 km (0.118 R)
• M51: 25,020,393 km (0.039 R)
• M52: 25,260,498 km (0.101 R)
• M53: 25,441,063 km (0.11 R)
• M54: 26,350,468 km (0.051 R)
• M55: 26,778,617 km (0.081 R)
• M56: 27,085,742 km (0.058 R)
• M57: 27,394,063 km (0.03 R)
• M58: 27,517,780 km (0.05 R)
• M59: 28,701,698 km (0.119 R)
• M60: 28,827,360 km (0.057 R)
• M61: 30,540,854 km (0.118 R)
• M62: 30,926,069 km (0.046 R)
• M63: 31,442,331 km (0.095 R)
• M64: 31,506,957 km (0.112 R)
• M65: 32,156,661 km (0.109 R)
• M66: 32,483,233 km (0.092 R)
• M67: 33,403,260 km (0.054 R)
• M68: 33,866,415 km (0.027 R)
• M69: 34,732,437 km (0.077 R)
• M70: 35,943,432 km (0.085 R)
• M71: 36,078,818 km (0.054 R)
• M72: 36,758,441 km (0.089 R)
• M73: 37,168,339 km (0.075 R)
• M74: 40,008,903 km (0.055 R)
• M75: 40,500,781 km (0.078 R)
• M76: 40,782,773 km (0.06 R)
• M77: 41,703,847 km (0.116 R)
• M78: 41,846,115 km (0.107 R)
• M79: 42,990,389 km (0.105 R)
• M80: 43,350,022 km (0.083 R)
• M81: 43,494,235 km (0.086 R)
• M82: 44,653,319 km (0.097 R)
• M83: 45,163,448 km (0.09 R)
• M84: 46,927,655 km (0.12 R)
• M85: 48,265,359 km (0.083 R)
• M86: 49,164,293 km (0.096 R)
• M87: 49,540,382 km (0.113 R)
• M88: 50,144,309 km (0.102 R)
• M89: 50,219,856 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.6

Radius: 4

Gravity: 34.41 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 14.28 AU - 18.78 AU

Year: 23955 Days

Day: 21.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 79,790,635 km

• M1: 292,464 km (0.088 R)
• M2: 464,053 km (0.093 R)
• M3: 506,239 km (0.091 R)
• M4: 785,688 km (0.06 R)
• M5: 941,270 km (0.076 R)
• M6: 1,050,327 km (0.104 R)
• M7: 1,280,707 km (0.116 R)
• M8: 1,590,375 km (0.071 R)
• M9: 1,854,116 km (0.108 R)
• M10: 1,991,148 km (0.065 R)
• M11: 2,458,791 km (0.049 R)
• M12: 2,685,731 km (0.098 R)
• M13: 3,078,724 km (0.037 R)
• M14: 3,447,782 km (0.106 R)
• M15: 4,452,631 km (0.109 R)
• M16: 4,498,258 km (0.094 R)
• M17: 4,728,639 km (0.066 R)
• M18: 6,139,347 km (0.066 R)
• M19: 6,190,210 km (0.104 R)
• M20: 7,075,231 km (0.085 R)
• M21: 7,505,325 km (0.102 R)
• M22: 11,174,961 km (0.072 R)
• M23: 11,549,255 km (0.109 R)
• M24: 13,547,583 km (0.07 R)
• M25: 13,680,127 km (0.105 R)
• M26: 14,416,747 km (0.098 R)
• M27: 15,097,567 km (0.095 R)
• M28: 15,372,827 km (0.093 R)
• M29: 15,998,295 km (0.112 R)
• M30: 16,702,901 km (0.076 R)
• M31: 19,024,511 km (0.109 R)
• M32: 20,602,170 km (0.091 R)
• M33: 20,983,944 km (0.068 R)
• M34: 21,291,068 km (0.105 R)
• M35: 21,832,014 km (0.057 R)
• M36: 22,769,993 km (0.099 R)
• M37: 24,121,011 km (0.057 R)
• M38: 24,201,345 km (0.092 R)
• M39: 24,684,845 km (0.055 R)
• M40: 25,497,910 km (0.073 R)
• M41: 26,237,073 km (0.094 R)
• M42: 26,733,738 km (0.076 R)
• M43: 27,317,170 km (0.105 R)
• M44: 27,400,944 km (0.069 R)
• M45: 29,263,438 km (0.083 R)
• M46: 29,778,503 km (0.083 R)
• M47: 30,123,476 km (0.09 R)
• M48: 30,469,795 km (0.073 R)
• M49: 30,643,478 km (0.036 R)
• M50: 31,692,309 km (0.094 R)
• M51: 32,132,875 km (0.109 R)
• M52: 35,090,425 km (0.073 R)
• M53: 36,187,276 km (0.106 R)
• M54: 37,017,395 km (0.098 R)
• M55: 40,685,834 km (0.087 R)
• M56: 41,548,714 km (0.06 R)
• M57: 42,805,785 km (0.088 R)
• M58: 44,173,409 km (0.114 R)
• M59: 45,060,075 km (0.107 R)
• M60: 45,952,726 km (0.035 R)
• M61: 46,550,968 km (0.116 R)
• M62: 47,553,872 km (0.099 R)
• M63: 47,755,231 km (0.083 R)
• M64: 49,785,124 km (0.111 R)
• M65: 52,569,739 km (0.119 R)
• M66: 53,718,651 km (0.088 R)
• M67: 54,138,572 km (0.108 R)
• M68: 54,770,324 km (0.069 R)
• M69: 55,087,172 km (0.093 R)
• M70: 60,456,090 km (0.097 R)
• M71: 60,565,147 km (0.059 R)
• M72: 60,892,766 km (0.119 R)
• M73: 61,220,984 km (0.12 R)
• M74: 61,769,260 km (0.047 R)
• M75: 62,098,974 km (0.091 R)
• M76: 63,313,110 km (0.12 R)
• M77: 64,535,025 km (0.071 R)
• M78: 65,316,674 km (0.116 R)
• M79: 65,540,622 km (0.092 R)
• M80: 67,227,937 km (0.1 R)
• M81: 67,567,075 km (0.083 R)
• M82: 68,247,147 km (0.052 R)
• M83: 71,450,785 km (0.097 R)
• M84: 72,259,362 km (0.105 R)
• M85: 72,838,754 km (0.116 R)
• M86: 73,419,643 km (0.117 R)
• M87: 74,118,714 km (0.1 R)
• M88: 75,054,299 km (0.07 R)
• M89: 75,171,584 km (0.116 R)
• M90: 75,288,868 km (0.059 R)
• M91: 75,641,022 km (0.116 R)
• M92: 78,121,953 km (0.092 R)
• M93: 78,954,764 km (0.09 R)
• M94: 79,790,568 km (0.108 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 19,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit