🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.55 AU - 0.67 AU

Year: 175 Days

Day: 18.8 Hours

Environment

Temp: 160 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.62 AU - 0.86 AU

Year: 234 Days

Day: 46.7 Hours

Environment

Temp: 117 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.88 AU - 1.1 AU

Year: 362 Days

Day: 20.1 Hours

Environment

Temp: 44 °C

Axial Tilt: 20.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.9 AU - 3 AU

Year: 1860 Days

Day: 18.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 26,991,987 km

• M1: 989,590 km (0.062 R)
• M2: 1,556,416 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 10.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.68 AU - 5.42 AU

Year: 4166 Days

Day: 9.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 26,991,987 km

• M1: 130,001 km (0.107 R)
• M2: 289,771 km (0.063 R)
• M3: 363,224 km (0.114 R)
• M4: 467,194 km (0.09 R)
• M5: 567,126 km (0.116 R)
• M6: 709,991 km (0.117 R)
• M7: 973,134 km (0.073 R)
• M8: 2,600,909 km (0.107 R)
• M9: 2,686,927 km (0.073 R)
• M10: 2,891,577 km (0.051 R)
• M11: 3,192,718 km (0.027 R)
• M12: 3,792,755 km (0.065 R)
• M13: 4,291,215 km (0.101 R)
• M14: 4,669,997 km (0.115 R)
• M15: 5,203,762 km (0.042 R)
• M16: 5,386,122 km (0.034 R)
• M17: 5,589,126 km (0.097 R)
• M18: 5,813,523 km (0.053 R)
• M19: 5,888,920 km (0.103 R)
• M20: 6,839,615 km (0.107 R)
• M21: 7,383,852 km (0.077 R)
• M22: 8,300,438 km (0.064 R)
• M23: 8,470,979 km (0.1 R)
• M24: 8,793,812 km (0.106 R)
• M25: 9,120,833 km (0.116 R)
• M26: 9,230,637 km (0.099 R)
• M27: 9,296,760 km (0.071 R)
• M28: 9,854,161 km (0.101 R)
• M29: 10,330,631 km (0.119 R)
• M30: 10,791,542 km (0.084 R)
• M31: 10,907,779 km (0.114 R)
• M32: 11,212,061 km (0.109 R)
• M33: 11,306,308 km (0.053 R)
• M34: 11,876,874 km (0.079 R)
• M35: 12,824,277 km (0.114 R)
• M36: 12,947,397 km (0.108 R)
• M37: 13,745,352 km (0.112 R)
• M38: 13,947,309 km (0.063 R)
• M39: 14,354,215 km (0.083 R)
• M40: 14,559,164 km (0.041 R)
• M41: 14,971,904 km (0.036 R)
• M42: 15,153,666 km (0.071 R)
• M43: 15,283,966 km (0.096 R)
• M44: 15,414,565 km (0.115 R)
• M45: 16,206,536 km (0.073 R)
• M46: 16,607,458 km (0.109 R)
• M47: 17,501,006 km (0.116 R)
• M48: 17,967,303 km (0.04 R)
• M49: 18,050,030 km (0.09 R)
• M50: 18,660,689 km (0.086 R)
• M51: 18,772,438 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 13.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.27 AU - 8.73 AU

Year: 7540 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 26,991,987 km

• M1: 167,550 km (0.112 R)
• M2: 471,383 km (0.03 R)
• M3: 715,227 km (0.051 R)
• M4: 964,607 km (0.098 R)
• M5: 1,473,539 km (0.084 R)
• M6: 2,110,527 km (0.09 R)
• M7: 2,265,061 km (0.03 R)
• M8: 2,714,603 km (0.053 R)
• M9: 2,883,349 km (0.116 R)
• M10: 3,152,925 km (0.065 R)
• M11: 3,350,693 km (0.071 R)
• M12: 3,491,614 km (0.115 R)
• M13: 3,779,441 km (0.092 R)
• M14: 4,400,421 km (0.115 R)
• M15: 4,644,415 km (0.033 R)
• M16: 5,122,680 km (0.035 R)
• M17: 5,688,758 km (0.104 R)
• M18: 5,930,658 km (0.1 R)
• M19: 6,225,366 km (0.093 R)
• M20: 6,374,515 km (0.083 R)
• M21: 6,499,728 km (0.067 R)
• M22: 7,008,959 km (0.117 R)
• M23: 8,640,923 km (0.117 R)
• M24: 8,807,575 km (0.064 R)
• M25: 9,714,736 km (0.072 R)
• M26: 10,770,747 km (0.092 R)
• M27: 10,950,265 km (0.095 R)
• M28: 11,040,472 km (0.037 R)
• M29: 11,647,840 km (0.029 R)
• M30: 11,739,843 km (0.095 R)
• M31: 11,924,745 km (0.112 R)
• M32: 12,736,912 km (0.11 R)
• M33: 13,696,134 km (0.105 R)
• M34: 14,579,360 km (0.041 R)
• M35: 15,413,667 km (0.058 R)
• M36: 15,548,604 km (0.049 R)
• M37: 16,058,135 km (0.094 R)
• M38: 17,268,232 km (0.108 R)
• M39: 17,584,183 km (0.107 R)
• M40: 18,008,442 km (0.102 R)
• M41: 18,186,164 km (0.046 R)
• M42: 18,543,404 km (0.104 R)
• M43: 18,866,984 km (0.087 R)
• M44: 19,228,712 km (0.048 R)
• M45: 19,812,293 km (0.116 R)
• M46: 20,216,806 km (0.043 R)
• M47: 20,327,508 km (0.058 R)
• M48: 21,334,003 km (0.067 R)
• M49: 22,509,393 km (0.086 R)
• M50: 22,854,665 km (0.093 R)
• M51: 23,317,671 km (0.052 R)
• M52: 23,666,982 km (0.103 R)
• M53: 24,804,225 km (0.102 R)
• M54: 25,121,073 km (0.036 R)
• M55: 25,519,153 km (0.037 R)
• M56: 26,039,604 km (0.096 R)
• M57: 26,361,688 km (0.109 R)
• M58: 26,969,205 km (0.116 R)
• M59: 27,254,189 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.5

Radius: 13.6

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 10.55 AU - 13.93 AU

Year: 15720 Days

Day: 12.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 106.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 26,991,987 km

• M1: 175,927 km (0.099 R)
• M2: 322,683 km (0.086 R)
• M3: 563,386 km (0.056 R)
• M4: 687,402 km (0.118 R)
• M5: 1,042,847 km (0.115 R)
• M6: 1,284,148 km (0.051 R)
• M7: 1,559,109 km (0.087 R)
• M8: 1,918,144 km (0.063 R)
• M9: 2,183,531 km (0.112 R)
• M10: 2,286,155 km (0.073 R)
• M11: 2,550,344 km (0.026 R)
• M12: 2,899,356 km (0.117 R)
• M13: 3,031,900 km (0.115 R)
• M14: 3,244,329 km (0.116 R)
• M15: 3,342,615 km (0.084 R)
• M16: 3,953,273 km (0.113 R)
• M17: 4,079,534 km (0.075 R)
• M18: 4,293,160 km (0.078 R)
• M19: 4,510,675 km (0.12 R)
• M20: 4,798,800 km (0.118 R)
• M21: 5,369,965 km (0.082 R)
• M22: 6,576,771 km (0.047 R)
• M23: 7,005,818 km (0.034 R)
• M24: 7,288,259 km (0.085 R)
• M25: 7,679,607 km (0.105 R)
• M26: 7,891,288 km (0.081 R)
• M27: 8,051,208 km (0.091 R)
• M28: 8,185,247 km (0.119 R)
• M29: 8,455,720 km (0.036 R)
• M30: 8,811,913 km (0.081 R)
• M31: 9,172,893 km (0.108 R)
• M32: 9,652,503 km (0.111 R)
• M33: 9,823,643 km (0.102 R)
• M34: 10,140,192 km (0.107 R)
• M35: 10,724,372 km (0.035 R)
• M36: 11,169,725 km (0.076 R)
• M37: 11,864,308 km (0.083 R)
• M38: 12,170,684 km (0.06 R)
• M39: 12,355,887 km (0.094 R)
• M40: 13,232,081 km (0.076 R)
• M41: 13,870,266 km (0.117 R)
• M42: 13,999,070 km (0.025 R)
• M43: 14,096,009 km (0.108 R)
• M44: 14,355,561 km (0.09 R)
• M45: 14,616,610 km (0.111 R)
• M46: 15,409,329 km (0.072 R)
• M47: 15,643,150 km (0.095 R)
• M48: 16,114,533 km (0.098 R)
• M49: 17,174,584 km (0.114 R)
• M50: 17,486,645 km (0.079 R)
• M51: 17,765,645 km (0.112 R)
• M52: 18,045,991 km (0.112 R)
• M53: 18,222,068 km (0.073 R)
• M54: 18,327,834 km (0.081 R)
• M55: 18,469,353 km (0.086 R)
• M56: 19,039,022 km (0.072 R)
• M57: 19,290,047 km (0.118 R)
• M58: 19,759,186 km (0.093 R)
• M59: 20,049,855 km (0.096 R)
• M60: 20,745,634 km (0.091 R)
• M61: 22,652,259 km (0.032 R)
• M62: 22,766,253 km (0.114 R)
• M63: 23,147,279 km (0.119 R)
• M64: 24,109,193 km (0.106 R)
• M65: 24,692,625 km (0.108 R)
• M66: 26,231,239 km (0.048 R)
• M67: 26,791,034 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: 169 - 12,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit