🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.57 AU - 0.73 AU

Year: 195 Days

Day: 39.7 Hours

Environment

Temp: 118 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.64 AU - 0.74 AU

Year: 214 Days

Day: 13.4 Hours

Environment

Temp: 176 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.75 AU - 1.17 AU

Year: 351 Days

Day: 18.2 Hours

Environment

Temp: 41 °C

Axial Tilt: 78.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,521,643 km

• M1: 625,319 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.06 AU - 1.16 AU

Year: 436 Days

Day: 20.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,521,643 km

• M1: 252,372 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.29 AU - 1.51 AU

Year: 618 Days

Day: 20.4 Hours

Environment

Temp: -29 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.3 AU - 1.86 AU

Year: 740 Days

Day: 24.2 Hours

Environment

Temp: -60 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,521,643 km

• M1: 77,641 km (0.112 R)
• M2: 486,642 km (0.118 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.5 AU - 2.36 AU

Year: 1000 Days

Day: 35.6 Hours

Environment

Temp: -80 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.8

Radius: 8.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.68 AU - 5.8 AU

Year: 3847 Days

Day: 6.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 33,521,643 km

• M1: 113,395 km (0.1 R)
• M2: 165,605 km (0.109 R)
• M3: 235,018 km (0.079 R)
• M4: 287,976 km (0.101 R)
• M5: 360,232 km (0.092 R)
• M6: 455,077 km (0.114 R)
• M7: 559,496 km (0.098 R)
• M8: 619,335 km (0.11 R)
• M9: 699,669 km (0.096 R)
• M10: 881,730 km (0.089 R)
• M11: 1,302,549 km (0.104 R)
• M12: 1,552,975 km (0.102 R)
• M13: 1,639,892 km (0.107 R)
• M14: 2,030,941 km (0.105 R)
• M15: 2,085,245 km (0.065 R)
• M16: 2,364,245 km (0.118 R)
• M17: 2,522,968 km (0.11 R)
• M18: 2,805,259 km (0.099 R)
• M19: 3,113,431 km (0.097 R)
• M20: 3,255,698 km (0.096 R)
• M21: 3,383,904 km (0.069 R)
• M22: 3,778,842 km (0.067 R)
• M23: 4,293,160 km (0.052 R)
• M24: 4,469,386 km (0.103 R)
• M25: 5,405,420 km (0.099 R)
• M26: 5,924,973 km (0.119 R)
• M27: 6,260,372 km (0.086 R)
• M28: 6,764,666 km (0.064 R)
• M29: 7,513,852 km (0.091 R)
• M30: 8,049,562 km (0.089 R)
• M31: 8,245,386 km (0.106 R)
• M32: 8,398,873 km (0.103 R)
• M33: 8,686,251 km (0.118 R)
• M34: 8,775,411 km (0.101 R)
• M35: 9,339,245 km (0.104 R)
• M36: 9,476,277 km (0.072 R)
• M37: 9,798,810 km (0.093 R)
• M38: 9,914,748 km (0.106 R)
• M39: 10,289,192 km (0.073 R)
• M40: 10,835,523 km (0.085 R)
• M41: 11,562,270 km (0.065 R)
• M42: 11,906,794 km (0.112 R)
• M43: 12,129,994 km (0.113 R)
• M44: 12,204,793 km (0.099 R)
• M45: 12,379,673 km (0.081 R)
• M46: 12,480,053 km (0.104 R)
• M47: 12,757,557 km (0.102 R)
• M48: 12,985,993 km (0.097 R)
• M49: 13,164,613 km (0.053 R)
• M50: 13,241,506 km (0.087 R)
• M51: 14,279,865 km (0.089 R)
• M52: 14,517,127 km (0.069 R)
• M53: 14,835,471 km (0.108 R)
• M54: 15,129,281 km (0.1 R)
• M55: 15,344,254 km (0.111 R)
• M56: 15,425,186 km (0.067 R)
• M57: 15,668,582 km (0.104 R)
• M58: 15,749,963 km (0.083 R)
• M59: 16,241,542 km (0.096 R)
• M60: 16,296,444 km (0.108 R)
• M61: 16,821,383 km (0.067 R)
• M62: 17,295,758 km (0.119 R)
• M63: 17,520,454 km (0.079 R)
• M64: 17,576,852 km (0.11 R)
• M65: 17,689,649 km (0.119 R)
• M66: 17,774,471 km (0.066 R)
• M67: 18,630,021 km (0.1 R)
• M68: 19,294,834 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 10.2

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.91 AU - 5.75 AU

Year: 3957 Days

Day: 11.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 33,521,643 km

• M1: 215,421 km (0.088 R)
• M2: 307,573 km (0.054 R)
• M3: 393,742 km (0.095 R)
• M4: 472,280 km (0.057 R)
• M5: 627,563 km (0.078 R)
• M6: 858,393 km (0.084 R)
• M7: 1,002,904 km (0.098 R)
• M8: 1,456,485 km (0.111 R)
• M9: 1,586,785 km (0.115 R)
• M10: 1,736,233 km (0.103 R)
• M11: 1,921,734 km (0.072 R)
• M12: 2,212,553 km (0.057 R)
• M13: 2,329,538 km (0.108 R)
• M14: 2,397,306 km (0.103 R)
• M15: 2,482,876 km (0.095 R)
• M16: 2,569,643 km (0.081 R)
• M17: 2,782,072 km (0.099 R)
• M18: 3,055,537 km (0.111 R)
• M19: 3,186,285 km (0.12 R)
• M20: 3,318,978 km (0.12 R)
• M21: 3,550,556 km (0.119 R)
• M22: 3,948,337 km (0.078 R)
• M23: 4,193,976 km (0.083 R)
• M24: 4,402,516 km (0.081 R)
• M25: 4,829,917 km (0.099 R)
• M26: 5,248,342 km (0.043 R)
• M27: 5,405,420 km (0.12 R)
• M28: 6,002,764 km (0.038 R)
• M29: 6,238,082 km (0.083 R)
• M30: 6,790,846 km (0.109 R)
• M31: 6,937,751 km (0.071 R)
• M32: 7,060,870 km (0.071 R)
• M33: 7,814,993 km (0.098 R)
• M34: 7,943,198 km (0.115 R)
• M35: 8,305,973 km (0.048 R)
• M36: 8,568,368 km (0.094 R)
• M37: 8,806,976 km (0.108 R)
• M38: 9,727,751 km (0.109 R)
• M39: 9,865,830 km (0.115 R)
• M40: 10,171,758 km (0.048 R)
• M41: 10,508,951 km (0.055 R)
• M42: 10,650,620 km (0.087 R)
• M43: 10,792,888 km (0.099 R)
• M44: 10,993,200 km (0.111 R)
• M45: 11,368,391 km (0.12 R)
• M46: 11,630,636 km (0.062 R)
• M47: 12,369,500 km (0.067 R)
• M48: 12,459,109 km (0.115 R)
• M49: 12,820,089 km (0.086 R)
• M50: 13,184,360 km (0.085 R)
• M51: 13,490,736 km (0.112 R)
• M52: 13,830,323 km (0.112 R)
• M53: 14,518,025 km (0.11 R)
• M54: 15,152,918 km (0.088 R)
• M55: 15,409,329 km (0.075 R)
• M56: 15,861,713 km (0.11 R)
• M57: 16,383,959 km (0.116 R)
• M58: 16,779,346 km (0.081 R)
• M59: 17,111,304 km (0.081 R)
• M60: 17,178,024 km (0.118 R)
• M61: 17,512,525 km (0.086 R)
• M62: 17,647,014 km (0.087 R)
• M63: 18,052,274 km (0.056 R)
• M64: 18,290,135 km (0.07 R)
• M65: 18,666,074 km (0.049 R)
• M66: 18,734,740 km (0.115 R)
• M67: 19,182,785 km (0.088 R)
• M68: 19,252,049 km (0.106 R)
• M69: 19,321,313 km (0.063 R)
• M70: 19,984,181 km (0.046 R)
• M71: 20,230,270 km (0.084 R)
• M72: 21,439,918 km (0.057 R)
• M73: 22,089,771 km (0.096 R)
• M74: 22,271,383 km (0.115 R)
• M75: 22,636,252 km (0.067 R)
• M76: 22,782,709 km (0.031 R)
• M77: 23,150,270 km (0.108 R)
• M78: 23,224,022 km (0.109 R)
• M79: 23,816,879 km (0.111 R)
• M80: 24,040,527 km (0.078 R)
• M81: 25,358,634 km (0.118 R)
• M82: 25,510,925 km (0.042 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.1

Radius: 8.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 10.47 AU - 12.31 AU

Year: 14330 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 33,521,643 km

• M1: 213,476 km (0.107 R)
• M2: 332,706 km (0.046 R)
• M3: 455,825 km (0.092 R)
• M4: 583,432 km (0.094 R)
• M5: 696,976 km (0.081 R)
• M6: 750,084 km (0.101 R)
• M7: 918,082 km (0.071 R)
• M8: 976,874 km (0.097 R)
• M9: 1,067,530 km (0.037 R)
• M10: 1,193,043 km (0.044 R)
• M11: 1,257,669 km (0.075 R)
• M12: 1,323,642 km (0.106 R)
• M13: 1,424,770 km (0.077 R)
• M14: 1,652,757 km (0.073 R)
• M15: 1,799,064 km (0.083 R)
• M16: 2,323,853 km (0.117 R)
• M17: 2,385,039 km (0.079 R)
• M18: 2,550,793 km (0.105 R)
• M19: 3,093,385 km (0.053 R)
• M20: 3,766,575 km (0.05 R)
• M21: 4,206,692 km (0.057 R)
• M22: 4,357,038 km (0.063 R)
• M23: 4,432,884 km (0.11 R)
• M24: 4,611,654 km (0.075 R)
• M25: 5,404,373 km (0.068 R)
• M26: 5,622,935 km (0.101 R)
• M27: 7,413,023 km (0.099 R)
• M28: 7,564,566 km (0.113 R)
• M29: 7,625,452 km (0.051 R)
• M30: 9,691,997 km (0.078 R)
• M31: 10,428,318 km (0.105 R)
• M32: 10,496,235 km (0.111 R)
• M33: 10,940,840 km (0.079 R)
• M34: 11,252,153 km (0.114 R)
• M35: 11,391,579 km (0.06 R)
• M36: 11,671,925 km (0.076 R)
• M37: 12,707,442 km (0.083 R)
• M38: 12,852,701 km (0.033 R)
• M39: 13,996,078 km (0.094 R)
• M40: 14,296,470 km (0.081 R)
• M41: 14,979,983 km (0.111 R)
• M42: 15,133,321 km (0.074 R)
• M43: 15,986,178 km (0.087 R)
• M44: 16,655,778 km (0.085 R)
• M45: 16,934,180 km (0.079 R)
• M46: 17,334,504 km (0.033 R)
• M47: 18,390,066 km (0.077 R)
• M48: 19,466,273 km (0.059 R)
• M49: 19,633,673 km (0.084 R)
• M50: 19,969,969 km (0.099 R)
• M51: 21,032,862 km (0.048 R)
• M52: 21,506,339 km (0.075 R)
• M53: 21,852,958 km (0.026 R)
• M54: 21,939,874 km (0.074 R)
• M55: 22,157,838 km (0.117 R)
• M56: 22,245,054 km (0.068 R)
• M57: 23,658,006 km (0.105 R)
• M58: 23,836,775 km (0.105 R)
• M59: 24,060,723 km (0.025 R)
• M60: 25,145,457 km (0.084 R)
• M61: 25,282,190 km (0.111 R)
• M62: 26,384,726 km (0.104 R)
• M63: 27,409,172 km (0.118 R)
• M64: 28,874,633 km (0.104 R)
• M65: 29,017,798 km (0.067 R)
• M66: 30,754,330 km (0.079 R)
• M67: 31,684,231 km (0.115 R)
• M68: 31,831,884 km (0.102 R)
• M69: 32,226,822 km (0.082 R)
• M70: 32,673,073 km (0.055 R)
• M71: 33,021,636 km (0.109 R)
• M72: 33,471,476 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 13,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit