🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.69 AU - 0.69 AU

Year: 211 Days

Day: 18.2 Hours

Environment

Temp: 182 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,074,521 km

• M1: 375,491 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.85 AU - 1.11 AU

Year: 358 Days

Day: 27.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 170.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.9 AU - 1.42 AU

Year: 461 Days

Day: 31.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 41.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.81 AU - 2.29 AU

Year: 1083 Days

Day: 30.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.68 AU - 3.2 AU

Year: 1860 Days

Day: 22.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 127.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.64 AU - 3.82 AU

Year: 2142 Days

Day: 13.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,074,521 km

• M1: 937,979 km (0.075 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.74 AU - 4.74 AU

Year: 3221 Days

Day: 36.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,074,521 km

• M1: 977,772 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 8.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.42 AU - 7.8 AU

Year: 7746 Days

Day: 8 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 60,074,521 km

• M1: 103,073 km (0.053 R)
• M2: 288,125 km (0.073 R)
• M3: 422,764 km (0.063 R)
• M4: 532,718 km (0.078 R)
• M5: 653,144 km (0.05 R)
• M6: 907,610 km (0.115 R)
• M7: 1,208,003 km (0.095 R)
• M8: 1,487,152 km (0.099 R)
• M9: 1,590,674 km (0.086 R)
• M10: 1,750,295 km (0.105 R)
• M11: 1,823,149 km (0.116 R)
• M12: 1,952,851 km (0.037 R)
• M13: 2,280,769 km (0.049 R)
• M14: 2,563,808 km (0.101 R)
• M15: 2,688,573 km (0.08 R)
• M16: 3,009,460 km (0.043 R)
• M17: 3,207,977 km (0.09 R)
• M18: 3,571,350 km (0.107 R)
• M19: 3,640,913 km (0.11 R)
• M20: 4,116,634 km (0.106 R)
• M21: 4,841,137 km (0.1 R)
• M22: 5,126,121 km (0.073 R)
• M23: 5,336,904 km (0.101 R)
• M24: 5,848,978 km (0.112 R)
• M25: 5,958,782 km (0.113 R)
• M26: 6,746,714 km (0.119 R)
• M27: 6,977,693 km (0.084 R)
• M28: 7,065,059 km (0.116 R)
• M29: 7,656,718 km (0.106 R)
• M30: 7,807,064 km (0.112 R)
• M31: 7,867,502 km (0.112 R)
• M32: 8,233,418 km (0.069 R)
• M33: 8,480,404 km (0.062 R)
• M34: 8,573,604 km (0.114 R)
• M35: 9,719,224 km (0.091 R)
• M36: 10,177,742 km (0.052 R)
• M37: 10,442,829 km (0.08 R)
• M38: 10,542,910 km (0.072 R)
• M39: 10,844,798 km (0.059 R)
• M40: 11,081,761 km (0.068 R)
• M41: 11,320,220 km (0.118 R)
• M42: 11,802,524 km (0.085 R)
• M43: 11,871,937 km (0.036 R)
• M44: 12,011,213 km (0.1 R)
• M45: 12,151,087 km (0.082 R)
• M46: 12,715,819 km (0.057 R)
• M47: 13,180,919 km (0.118 R)
• M48: 13,578,849 km (0.081 R)
• M49: 14,312,627 km (0.054 R)
• M50: 15,475,152 km (0.094 R)
• M51: 15,589,145 km (0.056 R)
• M52: 16,009,964 km (0.095 R)
• M53: 16,550,910 km (0.071 R)
• M54: 16,862,822 km (0.079 R)
• M55: 17,255,366 km (0.106 R)
• M56: 18,049,432 km (0.088 R)
• M57: 18,289,985 km (0.078 R)
• M58: 18,531,586 km (0.111 R)
• M59: 18,612,219 km (0.063 R)
• M60: 18,693,152 km (0.114 R)
• M61: 21,342,829 km (0.04 R)
• M62: 21,639,631 km (0.06 R)
• M63: 22,023,350 km (0.118 R)
• M64: 23,144,436 km (0.105 R)
• M65: 23,318,568 km (0.058 R)
• M66: 23,843,507 km (0.1 R)
• M67: 24,416,766 km (0.072 R)
• M68: 24,594,040 km (0.092 R)
• M69: 24,949,783 km (0.108 R)
• M70: 25,621,478 km (0.064 R)
• M71: 26,163,172 km (0.102 R)
• M72: 26,480,917 km (0.041 R)
• M73: 27,028,595 km (0.039 R)
• M74: 27,718,391 km (0.076 R)
• M75: 27,857,068 km (0.045 R)
• M76: 29,303,381 km (0.104 R)
• M77: 29,633,244 km (0.11 R)
• M78: 30,344,432 km (0.079 R)
• M79: 30,726,056 km (0.119 R)
• M80: 30,869,670 km (0.082 R)
• M81: 31,109,326 km (0.1 R)
• M82: 31,205,368 km (0.048 R)
• M83: 31,301,559 km (0.106 R)
• M84: 31,783,713 km (0.057 R)
• M85: 32,462,888 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.2

Radius: 6.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 13.73 AU - 17.91 AU

Year: 23216 Days

Day: 19.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 60,074,521 km

• M1: 78,988 km (0.086 R)
• M2: 198,516 km (0.11 R)
• M3: 521,498 km (0.109 R)
• M4: 688,449 km (0.11 R)
• M5: 727,943 km (0.058 R)
• M6: 851,062 km (0.095 R)
• M7: 2,824,707 km (0.107 R)
• M8: 2,987,170 km (0.046 R)
• M9: 3,287,563 km (0.12 R)
• M10: 3,493,110 km (0.099 R)
• M11: 3,562,673 km (0.113 R)
• M12: 3,702,996 km (0.065 R)
• M13: 3,916,921 km (0.11 R)
• M14: 4,773,967 km (0.072 R)
• M15: 5,124,625 km (0.049 R)
• M16: 5,403,176 km (0.115 R)
• M17: 5,483,660 km (0.06 R)
• M18: 5,809,783 km (0.057 R)
• M19: 6,738,337 km (0.074 R)
• M20: 6,824,954 km (0.082 R)
• M21: 6,912,020 km (0.062 R)
• M22: 7,486,925 km (0.085 R)
• M23: 8,871,303 km (0.039 R)
• M24: 9,061,891 km (0.083 R)
• M25: 9,641,433 km (0.115 R)
• M26: 9,690,202 km (0.079 R)
• M27: 9,935,692 km (0.113 R)
• M28: 10,232,943 km (0.081 R)
• M29: 10,382,691 km (0.063 R)
• M30: 10,482,921 km (0.093 R)
• M31: 10,988,712 km (0.083 R)
• M32: 11,039,724 km (0.1 R)
• M33: 11,450,819 km (0.107 R)
• M34: 12,500,398 km (0.111 R)
• M35: 13,689,851 km (0.095 R)
• M36: 14,465,516 km (0.091 R)
• M37: 14,971,755 km (0.072 R)
• M38: 16,466,238 km (0.094 R)
• M39: 17,053,559 km (0.107 R)
• M40: 17,349,912 km (0.084 R)
• M41: 17,647,911 km (0.053 R)
• M42: 17,767,590 km (0.079 R)
• M43: 18,795,476 km (0.081 R)
• M44: 18,978,883 km (0.117 R)
• M45: 19,286,008 km (0.097 R)
• M46: 19,409,277 km (0.074 R)
• M47: 19,842,662 km (0.043 R)
• M48: 20,216,806 km (0.11 R)
• M49: 21,098,835 km (0.076 R)
• M50: 21,353,002 km (0.091 R)
• M51: 21,608,365 km (0.1 R)
• M52: 22,574,767 km (0.03 R)
• M53: 22,704,768 km (0.108 R)
• M54: 23,885,095 km (0.081 R)
• M55: 25,018,150 km (0.061 R)
• M56: 25,152,638 km (0.104 R)
• M57: 27,336,318 km (0.112 R)
• M58: 29,367,109 km (0.066 R)
• M59: 29,651,046 km (0.092 R)
• M60: 31,084,194 km (0.087 R)
• M61: 31,663,736 km (0.111 R)
• M62: 32,393,175 km (0.026 R)
• M63: 32,686,536 km (0.091 R)
• M64: 33,497,806 km (0.078 R)
• M65: 34,390,307 km (0.12 R)
• M66: 34,914,497 km (0.079 R)
• M67: 36,808,406 km (0.107 R)
• M68: 37,729,181 km (0.078 R)
• M69: 38,424,662 km (0.117 R)
• M70: 38,579,944 km (0.107 R)
• M71: 39,280,661 km (0.107 R)
• M72: 41,249,070 km (0.1 R)
• M73: 43,896,204 km (0.113 R)
• M74: 45,855,637 km (0.084 R)
• M75: 46,102,623 km (0.093 R)
• M76: 47,926,969 km (0.062 R)
• M77: 48,931,968 km (0.079 R)
• M78: 54,756,561 km (0.1 R)
• M79: 54,843,926 km (0.088 R)
• M80: 55,018,506 km (0.115 R)
• M81: 56,775,683 km (0.061 R)
• M82: 59,535,315 km (0.114 R)
• M83: 59,804,741 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 19,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit