🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.46 AU - 0.66 AU

Year: 160 Days

Day: 45 Hours

Environment

Temp: 133 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,860,172 km

• M1: 87,066 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.44 AU - 0.68 AU

Year: 160 Days

Day: 37.1 Hours

Environment

Temp: 179 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,860,172 km

• M1: 520,301 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.49 AU - 0.65 AU

Year: 165 Days

Day: 45 Hours

Environment

Temp: 124 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1 AU - 1.22 AU

Year: 448 Days

Day: 36.9 Hours

Environment

Temp: -17 °C

Axial Tilt: 43.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.03 AU - 1.31 AU

Year: 485 Days

Day: 46.2 Hours

Environment

Temp: -20 °C

Axial Tilt: 110.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.04 AU - 1.34 AU

Year: 497 Days

Day: 12.6 Hours

Environment

Temp: -20 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.41 AU - 2.15 AU

Year: 909 Days

Day: 17.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,860,172 km

• M1: 78,539 km (0.087 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.14 AU - 2.5 AU

Year: 1353 Days

Day: 33.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.3

Radius: 8.9

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.02 AU - 7.56 AU

Year: 6774 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 64,860,172 km

• M1: 144,512 km (0.081 R)
• M2: 276,606 km (0.063 R)
• M3: 337,194 km (0.06 R)
• M4: 463,454 km (0.084 R)
• M5: 607,068 km (0.104 R)
• M6: 1,056,759 km (0.103 R)
• M7: 1,361,789 km (0.086 R)
• M8: 1,573,770 km (0.053 R)
• M9: 1,633,459 km (0.067 R)
• M10: 1,901,239 km (0.1 R)
• M11: 2,073,127 km (0.081 R)
• M12: 2,957,400 km (0.101 R)
• M13: 3,031,750 km (0.099 R)
• M14: 3,106,849 km (0.027 R)
• M15: 3,413,075 km (0.069 R)
• M16: 3,517,345 km (0.103 R)
• M17: 3,809,659 km (0.035 R)
• M18: 4,389,501 km (0.077 R)
• M19: 4,762,299 km (0.054 R)
• M20: 4,849,664 km (0.031 R)
• M21: 5,235,028 km (0.103 R)
• M22: 5,295,166 km (0.09 R)
• M23: 5,477,077 km (0.06 R)
• M24: 5,878,299 km (0.081 R)
• M25: 6,611,478 km (0.106 R)
• M26: 6,906,186 km (0.059 R)
• M27: 7,105,001 km (0.062 R)
• M28: 7,373,230 km (0.113 R)
• M29: 7,816,040 km (0.072 R)
• M30: 7,953,969 km (0.082 R)
• M31: 9,159,429 km (0.06 R)
• M32: 9,304,988 km (0.059 R)
• M33: 9,414,643 km (0.099 R)
• M34: 9,783,402 km (0.088 R)
• M35: 10,458,836 km (0.067 R)
• M36: 11,500,336 km (0.099 R)
• M37: 12,093,193 km (0.08 R)
• M38: 12,292,906 km (0.085 R)
• M39: 12,534,207 km (0.081 R)
• M40: 12,736,464 km (0.077 R)
• M41: 12,817,546 km (0.111 R)
• M42: 12,980,458 km (0.053 R)
• M43: 13,185,108 km (0.117 R)
• M44: 13,308,376 km (0.09 R)
• M45: 13,390,805 km (0.111 R)
• M46: 13,972,292 km (0.09 R)
• M47: 14,477,334 km (0.091 R)
• M48: 15,031,295 km (0.097 R)
• M49: 15,853,335 km (0.117 R)
• M50: 16,556,744 km (0.077 R)
• M51: 17,495,621 km (0.119 R)
• M52: 17,766,991 km (0.096 R)
• M53: 18,820,310 km (0.083 R)
• M54: 19,098,412 km (0.119 R)
• M55: 19,237,837 km (0.075 R)
• M56: 19,658,656 km (0.074 R)
• M57: 20,082,317 km (0.102 R)
• M58: 20,795,301 km (0.116 R)
• M59: 21,661,772 km (0.087 R)
• M60: 21,758,861 km (0.098 R)
• M61: 22,490,993 km (0.101 R)
• M62: 23,330,386 km (0.083 R)
• M63: 23,429,869 km (0.087 R)
• M64: 26,374,553 km (0.093 R)
• M65: 27,626,688 km (0.111 R)
• M66: 27,889,980 km (0.026 R)
• M67: 28,472,215 km (0.085 R)
• M68: 29,272,563 km (0.063 R)
• M69: 32,491,910 km (0.117 R)
• M70: 32,825,513 km (0.091 R)
• M71: 34,227,843 km (0.081 R)
• M72: 34,737,523 km (0.086 R)
• M73: 35,078,606 km (0.06 R)
• M74: 35,249,597 km (0.057 R)
• M75: 35,363,740 km (0.053 R)
• M76: 35,878,955 km (0.08 R)
• M77: 36,108,737 km (0.109 R)
• M78: 36,166,332 km (0.074 R)
• M79: 36,281,373 km (0.056 R)
• M80: 36,685,287 km (0.063 R)
• M81: 37,090,698 km (0.093 R)
• M82: 37,381,217 km (0.12 R)
• M83: 37,789,170 km (0.115 R)
• M84: 37,964,499 km (0.097 R)
• M85: 38,140,127 km (0.088 R)
• M86: 38,433,339 km (0.111 R)
• M87: 39,317,462 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.2

Radius: 3.2

Gravity: 21.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 13.05 AU - 21.57 AU

Year: 27575 Days

Day: 18.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 64,860,172 km

• M1: 56,249 km (0.107 R)
• M2: 280,795 km (0.118 R)
• M3: 617,839 km (0.061 R)
• M4: 1,318,256 km (0.101 R)
• M5: 1,424,770 km (0.044 R)
• M6: 2,028,398 km (0.107 R)
• M7: 2,151,367 km (0.113 R)
• M8: 2,308,594 km (0.071 R)
• M9: 2,768,009 km (0.086 R)
• M10: 3,219,346 km (0.099 R)
• M11: 4,344,771 km (0.087 R)
• M12: 4,704,105 km (0.084 R)
• M13: 4,907,708 km (0.047 R)
• M14: 4,948,847 km (0.105 R)
• M15: 5,707,608 km (0.112 R)
• M16: 5,750,692 km (0.102 R)
• M17: 5,968,506 km (0.084 R)
• M18: 6,188,864 km (0.043 R)
• M19: 6,367,035 km (0.11 R)
• M20: 6,637,508 km (0.07 R)
• M21: 6,682,986 km (0.119 R)
• M22: 6,911,870 km (0.111 R)
• M23: 7,143,149 km (0.089 R)
• M24: 7,330,146 km (0.062 R)
• M25: 7,518,639 km (0.115 R)
• M26: 7,996,904 km (0.043 R)
• M27: 9,541,053 km (0.078 R)
• M28: 9,695,139 km (0.108 R)
• M29: 9,902,182 km (0.109 R)
• M30: 10,215,141 km (0.118 R)
• M31: 10,425,775 km (0.087 R)
• M32: 10,851,082 km (0.107 R)
• M33: 11,445,135 km (0.06 R)
• M34: 11,554,192 km (0.11 R)
• M35: 11,828,554 km (0.03 R)
• M36: 12,271,962 km (0.103 R)
• M37: 13,004,094 km (0.111 R)
• M38: 13,404,268 km (0.106 R)
• M39: 13,808,332 km (0.118 R)
• M40: 14,157,793 km (0.101 R)
• M41: 14,806,150 km (0.051 R)
• M42: 15,223,827 km (0.087 R)
• M43: 15,705,832 km (0.103 R)
• M44: 16,070,551 km (0.104 R)
• M45: 16,376,778 km (0.077 R)
• M46: 16,932,534 km (0.092 R)
• M47: 17,746,347 km (0.069 R)
• M48: 18,572,875 km (0.112 R)
• M49: 18,636,903 km (0.087 R)
• M50: 18,829,585 km (0.101 R)
• M51: 19,217,043 km (0.085 R)
• M52: 20,262,882 km (0.112 R)
• M53: 20,792,758 km (0.047 R)
• M54: 20,925,900 km (0.106 R)
• M55: 21,327,121 km (0.041 R)
• M56: 21,528,779 km (0.1 R)
• M57: 23,371,077 km (0.119 R)
• M58: 23,440,191 km (0.039 R)
• M59: 23,509,455 km (0.055 R)
• M60: 24,909,093 km (0.052 R)
• M61: 25,618,935 km (0.103 R)
• M62: 26,407,315 km (0.116 R)
• M63: 26,768,445 km (0.055 R)
• M64: 27,422,337 km (0.093 R)
• M65: 27,568,344 km (0.117 R)
• M66: 27,641,498 km (0.09 R)
• M67: 27,934,560 km (0.114 R)
• M68: 28,155,217 km (0.059 R)
• M69: 28,376,173 km (0.113 R)
• M70: 31,226,162 km (0.059 R)
• M71: 32,298,779 km (0.072 R)
• M72: 36,708,475 km (0.04 R)
• M73: 38,819,002 km (0.069 R)
• M74: 40,552,093 km (0.117 R)
• M75: 41,219,001 km (0.093 R)
• M76: 41,470,026 km (0.08 R)
• M77: 43,071,471 km (0.107 R)
• M78: 44,264,364 km (0.076 R)
• M79: 46,160,817 km (0.109 R)
• M80: 47,206,356 km (0.076 R)
• M81: 47,556,565 km (0.068 R)
• M82: 49,143,349 km (0.111 R)
• M83: 50,210,880 km (0.104 R)
• M84: 50,300,040 km (0.078 R)
• M85: 51,195,982 km (0.054 R)
• M86: 52,459,037 km (0.039 R)
• M87: 53,549,904 km (0.068 R)
• M88: 55,384,423 km (0.105 R)
• M89: 55,569,027 km (0.09 R)
• M90: 56,031,284 km (0.088 R)
• M91: 56,216,636 km (0.096 R)
• M92: 57,332,786 km (0.115 R)
• M93: 59,397,835 km (0.12 R)
• M94: 59,681,323 km (0.109 R)
• M95: 60,629,474 km (0.113 R)
• M96: 62,156,868 km (0.114 R)
• M97: 62,252,760 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 15,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit