🌌 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: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.51 AU - 0.59 AU

Year: 150 Days

Day: 39.3 Hours

Environment

Temp: 216 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,286,719 km

• M1: 213,027 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.59 AU - 0.73 AU

Year: 197 Days

Day: 27.3 Hours

Environment

Temp: 130 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.66 AU - 0.68 AU

Year: 201 Days

Day: 13.1 Hours

Environment

Temp: 145 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,286,719 km

• M1: 247,136 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.7 AU - 0.9 AU

Year: 263 Days

Day: 13.8 Hours

Environment

Temp: 141 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.54 AU - 2.66 AU

Year: 1539 Days

Day: 31.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.35 AU - 3.61 AU

Year: 1888 Days

Day: 40.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.5

Radius: 13.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.9 AU - 5.88 AU

Year: 3970 Days

Day: 7.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 87,286,719 km

• M1: 174,880 km (0.104 R)
• M2: 264,339 km (0.087 R)
• M3: 352,901 km (0.057 R)
• M4: 552,615 km (0.095 R)
• M5: 703,559 km (0.075 R)
• M6: 795,561 km (0.105 R)
• M7: 914,193 km (0.118 R)
• M8: 1,051,374 km (0.051 R)
• M9: 1,183,618 km (0.066 R)
• M10: 1,386,623 km (0.086 R)
• M11: 1,629,420 km (0.075 R)
• M12: 1,756,129 km (0.096 R)
• M13: 1,930,411 km (0.091 R)
• M14: 2,156,753 km (0.062 R)
• M15: 2,392,070 km (0.038 R)
• M16: 2,602,853 km (0.092 R)
• M17: 2,819,920 km (0.071 R)
• M18: 3,598,876 km (0.033 R)
• M19: 3,803,975 km (0.028 R)
• M20: 4,382,619 km (0.119 R)
• M21: 4,561,837 km (0.119 R)
• M22: 5,176,386 km (0.108 R)
• M23: 5,260,460 km (0.106 R)
• M24: 5,600,944 km (0.055 R)
• M25: 5,992,592 km (0.092 R)
• M26: 6,258,726 km (0.1 R)
• M27: 6,393,215 km (0.064 R)
• M28: 6,941,192 km (0.039 R)
• M29: 7,127,142 km (0.093 R)
• M30: 7,244,277 km (0.104 R)
• M31: 7,409,283 km (0.087 R)
• M32: 7,623,358 km (0.112 R)
• M33: 7,743,186 km (0.069 R)
• M34: 8,950,441 km (0.066 R)
• M35: 9,229,590 km (0.081 R)
• M36: 9,563,193 km (0.085 R)
• M37: 9,796,417 km (0.055 R)
• M38: 9,979,225 km (0.099 R)
• M39: 10,110,422 km (0.094 R)
• M40: 10,242,368 km (0.065 R)
• M41: 10,802,163 km (0.119 R)
• M42: 10,991,105 km (0.065 R)
• M43: 11,344,755 km (0.107 R)
• M44: 11,757,645 km (0.095 R)
• M45: 11,896,322 km (0.091 R)
• M46: 12,683,057 km (0.1 R)
• M47: 12,796,901 km (0.068 R)
• M48: 13,313,163 km (0.093 R)
• M49: 13,806,986 km (0.112 R)
• M50: 14,100,347 km (0.084 R)
• M51: 15,385,094 km (0.119 R)
• M52: 15,476,199 km (0.116 R)
• M53: 16,458,459 km (0.089 R)
• M54: 17,082,581 km (0.085 R)
• M55: 17,366,069 km (0.115 R)
• M56: 17,841,790 km (0.081 R)
• M57: 18,386,326 km (0.114 R)
• M58: 18,515,280 km (0.104 R)
• M59: 18,773,934 km (0.118 R)
• M60: 18,936,248 km (0.032 R)
• M61: 19,524,467 km (0.099 R)
• M62: 20,085,609 km (0.103 R)
• M63: 20,585,116 km (0.116 R)
• M64: 20,752,516 km (0.053 R)
• M65: 21,189,940 km (0.12 R)
• M66: 21,494,521 km (0.043 R)
• M67: 21,698,274 km (0.111 R)
• M68: 22,313,869 km (0.051 R)
• M69: 22,692,800 km (0.108 R)
• M70: 22,900,442 km (0.05 R)
• M71: 23,039,119 km (0.089 R)
• M72: 23,143,389 km (0.106 R)
• M73: 23,422,239 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 12.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.77 AU - 7.91 AU

Year: 8058 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 87,286,719 km

• M1: 186,100 km (0.083 R)
• M2: 416,032 km (0.095 R)
• M3: 840,740 km (0.095 R)
• M4: 962,662 km (0.074 R)
• M5: 1,074,711 km (0.098 R)
• M6: 1,191,397 km (0.093 R)
• M7: 1,295,218 km (0.103 R)
• M8: 1,801,158 km (0.059 R)
• M9: 1,942,080 km (0.095 R)
• M10: 2,150,170 km (0.05 R)
• M11: 2,256,983 km (0.115 R)
• M12: 2,409,573 km (0.065 R)
• M13: 3,372,385 km (0.099 R)
• M14: 3,829,705 km (0.065 R)
• M15: 4,119,028 km (0.084 R)
• M16: 4,279,995 km (0.049 R)
• M17: 4,388,454 km (0.058 R)
• M18: 5,029,780 km (0.092 R)
• M19: 5,288,883 km (0.117 R)
• M20: 5,523,004 km (0.115 R)
• M21: 5,850,324 km (0.091 R)
• M22: 6,062,155 km (0.072 R)
• M23: 6,493,146 km (0.094 R)
• M24: 7,614,083 km (0.097 R)
• M25: 8,012,312 km (0.096 R)
• M26: 8,146,502 km (0.115 R)
• M27: 8,553,707 km (0.063 R)
• M28: 9,779,362 km (0.073 R)
• M29: 9,887,073 km (0.103 R)
• M30: 10,175,946 km (0.115 R)
• M31: 10,321,505 km (0.117 R)
• M32: 11,134,270 km (0.053 R)
• M33: 11,284,167 km (0.119 R)
• M34: 11,624,203 km (0.076 R)
• M35: 11,890,936 km (0.118 R)
• M36: 12,275,552 km (0.11 R)
• M37: 12,391,790 km (0.104 R)
• M38: 13,573,763 km (0.108 R)
• M39: 14,016,273 km (0.099 R)
• M40: 14,218,978 km (0.072 R)
• M41: 14,381,741 km (0.098 R)
• M42: 14,504,411 km (0.042 R)
• M43: 14,586,241 km (0.101 R)
• M44: 14,668,221 km (0.11 R)
• M45: 15,288,603 km (0.114 R)
• M46: 15,748,916 km (0.076 R)
• M47: 17,113,996 km (0.072 R)
• M48: 17,417,680 km (0.086 R)
• M49: 17,504,746 km (0.097 R)
• M50: 17,766,842 km (0.078 R)
• M51: 17,898,488 km (0.086 R)
• M52: 17,986,302 km (0.089 R)
• M53: 19,412,119 km (0.079 R)
• M54: 19,683,489 km (0.096 R)
• M55: 20,689,386 km (0.034 R)
• M56: 21,384,716 km (0.065 R)
• M57: 21,477,916 km (0.117 R)
• M58: 22,655,700 km (0.116 R)
• M59: 22,989,154 km (0.109 R)
• M60: 23,132,618 km (0.05 R)
• M61: 23,372,274 km (0.104 R)
• M62: 23,468,465 km (0.047 R)
• M63: 23,612,827 km (0.095 R)
• M64: 25,024,283 km (0.115 R)
• M65: 25,715,425 km (0.072 R)
• M66: 26,312,769 km (0.109 R)
• M67: 26,512,931 km (0.094 R)
• M68: 27,217,537 km (0.053 R)
• M69: 27,369,230 km (0.12 R)
• M70: 30,358,494 km (0.12 R)
• M71: 30,673,697 km (0.096 R)
• M72: 30,884,331 km (0.089 R)
• M73: 31,519,224 km (0.103 R)
• M74: 31,678,696 km (0.12 R)
• M75: 32,372,530 km (0.079 R)
• M76: 32,694,615 km (0.108 R)
• M77: 33,179,461 km (0.073 R)
• M78: 34,047,428 km (0.073 R)
• M79: 34,648,512 km (0.096 R)
• M80: 35,032,829 km (0.084 R)
• M81: 36,417,058 km (0.104 R)
• M82: 36,640,109 km (0.104 R)
• M83: 37,368,351 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.6

Radius: 5.4

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 15.05 AU - 21.93 AU

Year: 29186 Days

Day: 23.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 87,286,719 km

• M1: 107,710 km (0.116 R)
• M2: 141,669 km (0.048 R)
• M3: 371,452 km (0.116 R)
• M4: 411,993 km (0.085 R)
• M5: 817,852 km (0.077 R)
• M6: 1,222,963 km (0.107 R)
• M7: 2,305,303 km (0.096 R)
• M8: 2,344,049 km (0.059 R)
• M9: 2,661,496 km (0.067 R)
• M10: 2,742,877 km (0.119 R)
• M11: 2,825,305 km (0.074 R)
• M12: 3,380,164 km (0.09 R)
• M13: 3,921,708 km (0.093 R)
• M14: 4,155,380 km (0.087 R)
• M15: 4,783,691 km (0.096 R)
• M16: 4,833,208 km (0.113 R)
• M17: 5,754,132 km (0.12 R)
• M18: 7,985,684 km (0.101 R)
• M19: 8,460,657 km (0.09 R)
• M20: 8,580,784 km (0.091 R)
• M21: 8,944,756 km (0.06 R)
• M22: 9,500,213 km (0.062 R)
• M23: 10,003,310 km (0.079 R)
• M24: 10,514,935 km (0.063 R)
• M25: 11,298,230 km (0.092 R)
• M26: 12,100,373 km (0.051 R)
• M27: 12,167,992 km (0.103 R)
• M28: 13,059,146 km (0.086 R)
• M29: 14,042,004 km (0.085 R)
• M30: 14,686,322 km (0.059 R)
• M31: 15,929,630 km (0.119 R)
• M32: 16,227,031 km (0.109 R)
• M33: 17,054,456 km (0.103 R)
• M34: 17,511,478 km (0.102 R)
• M35: 17,664,666 km (0.028 R)
• M36: 18,985,167 km (0.08 R)
• M37: 19,379,507 km (0.114 R)
• M38: 19,538,080 km (0.073 R)
• M39: 22,880,994 km (0.075 R)
• M40: 23,722,782 km (0.102 R)
• M41: 23,807,604 km (0.063 R)
• M42: 24,062,369 km (0.059 R)
• M43: 26,571,723 km (0.025 R)
• M44: 27,012,738 km (0.039 R)
• M45: 27,812,638 km (0.086 R)
• M46: 29,072,401 km (0.099 R)
• M47: 29,983,452 km (0.106 R)
• M48: 30,166,859 km (0.094 R)
• M49: 30,626,873 km (0.12 R)
• M50: 30,996,529 km (0.118 R)
• M51: 32,489,965 km (0.094 R)
• M52: 32,678,159 km (0.037 R)
• M53: 34,197,774 km (0.071 R)
• M54: 34,677,385 km (0.055 R)
• M55: 34,966,258 km (0.118 R)
• M56: 35,159,240 km (0.079 R)
• M57: 35,934,755 km (0.088 R)
• M58: 37,108,500 km (0.069 R)
• M59: 37,799,044 km (0.07 R)
• M60: 38,493,776 km (0.106 R)
• M61: 39,493,539 km (0.118 R)
• M62: 39,593,919 km (0.113 R)
• M63: 39,996,636 km (0.114 R)
• M64: 40,097,465 km (0.114 R)
• M65: 41,825,321 km (0.039 R)
• M66: 43,577,261 km (0.07 R)
• M67: 43,888,874 km (0.075 R)
• M68: 44,305,504 km (0.072 R)
• M69: 47,045,838 km (0.053 R)
• M70: 48,114,266 km (0.108 R)
• M71: 48,543,911 km (0.108 R)
• M72: 50,057,692 km (0.086 R)
• M73: 51,586,731 km (0.099 R)
• M74: 52,136,653 km (0.1 R)
• M75: 52,909,625 km (0.082 R)
• M76: 54,132,139 km (0.081 R)
• M77: 57,058,124 km (0.088 R)
• M78: 57,285,363 km (0.1 R)
• M79: 57,512,901 km (0.031 R)
• M80: 57,740,739 km (0.094 R)
• M81: 58,540,340 km (0.101 R)
• M82: 63,297,253 km (0.073 R)
• M83: 65,543,465 km (0.116 R)
• M84: 65,900,405 km (0.118 R)
• M85: 67,215,071 km (0.058 R)
• M86: 69,263,814 km (0.097 R)
• M87: 69,991,757 km (0.108 R)
• M88: 70,600,322 km (0.03 R)
• M89: 73,298,768 km (0.111 R)
• M90: 74,660,707 km (0.045 R)
• M91: 76,155,788 km (0.062 R)
• M92: 77,912,665 km (0.075 R)
• M93: 79,809,716 km (0.04 R)
• M94: 84,165,707 km (0.12 R)
• M95: 85,461,524 km (0.096 R)
• M96: 86,894,522 km (0.098 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 18,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit