🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.7

Radius: 8.2

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.48 AU - 0.62 AU

Year: 272 Days

Day: 9.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,234,685 km

• M1: 106,065 km (0.095 R)
• M2: 363,972 km (0.083 R)
• M3: 713,881 km (0.076 R)
• M4: 1,061,098 km (0.095 R)
• M5: 1,408,165 km (0.103 R)
• M6: 1,709,006 km (0.093 R)
• M7: 1,986,211 km (0.063 R)
• M8: 2,704,730 km (0.087 R)
• M9: 3,466,482 km (0.09 R)
• M10: 3,856,783 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.9

Radius: 12.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.61 AU - 0.73 AU

Year: 366 Days

Day: 6.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,234,685 km

• M1: 150,645 km (0.071 R)
• M2: 550,071 km (0.033 R)
• M3: 969,993 km (0.085 R)
• M4: 1,523,954 km (0.098 R)
• M5: 2,074,773 km (0.106 R)
• M6: 2,671,519 km (0.098 R)
• M7: 3,559,083 km (0.1 R)
• M8: 4,223,746 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.9

Radius: 10.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.69 AU - 0.79 AU

Year: 424 Days

Day: 6.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,234,685 km

• M1: 126,859 km (0.095 R)
• M2: 480,508 km (0.075 R)
• M3: 818,450 km (0.065 R)
• M4: 1,143,377 km (0.107 R)
• M5: 1,730,548 km (0.054 R)
• M6: 2,274,187 km (0.048 R)
• M7: 2,708,918 km (0.104 R)
• M8: 3,445,089 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.8

Radius: 12.6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.7 AU - 1.14 AU

Year: 588 Days

Day: 13.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,234,685 km

• M1: 163,361 km (0.031 R)
• M2: 647,011 km (0.057 R)
• M3: 1,218,175 km (0.064 R)
• M4: 1,614,460 km (0.032 R)
• M5: 2,034,381 km (0.115 R)
• M6: 2,792,843 km (0.091 R)
• M7: 3,213,362 km (0.046 R)
• M8: 4,306,624 km (0.03 R)
• M9: 4,939,422 km (0.098 R)
• M10: 5,652,107 km (0.047 R)
• M11: 6,934,310 km (0.107 R)
• M12: 7,644,002 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.6

Radius: 8.5

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.48 AU - 1.64 AU

Year: 1299 Days

Day: 5.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,234,685 km

• M1: 105,766 km (0.108 R)
• M2: 428,448 km (0.089 R)
• M3: 750,533 km (0.074 R)
• M4: 1,183,618 km (0.105 R)
• M5: 1,621,641 km (0.081 R)
• M6: 2,040,365 km (0.071 R)
• M7: 2,607,940 km (0.099 R)
• M8: 3,845,712 km (0.104 R)
• M9: 4,199,362 km (0.07 R)
• M10: 5,768,793 km (0.039 R)
• M11: 7,833,692 km (0.117 R)
• M12: 8,229,977 km (0.089 R)
• M13: 9,031,971 km (0.078 R)
• M14: 12,844,174 km (0.113 R)
• M15: 13,196,926 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.8

Radius: 11.1

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.68 AU - 1.72 AU

Year: 1478 Days

Day: 10.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,234,685 km

• M1: 138,079 km (0.073 R)
• M2: 596,297 km (0.048 R)
• M3: 1,042,847 km (0.082 R)
• M4: 1,847,683 km (0.075 R)
• M5: 2,218,088 km (0.045 R)
• M6: 2,794,787 km (0.092 R)
• M7: 3,531,557 km (0.067 R)
• M8: 4,320,835 km (0.064 R)
• M9: 4,786,533 km (0.075 R)
• M10: 5,183,117 km (0.071 R)
• M11: 5,907,919 km (0.091 R)
• M12: 7,196,406 km (0.093 R)
• M13: 8,237,457 km (0.053 R)
• M14: 10,485,016 km (0.113 R)
• M15: 10,850,932 km (0.104 R)
• M16: 11,259,933 km (0.066 R)
• M17: 11,928,485 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.8

Radius: 9.3

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.52 AU - 2.18 AU

Year: 1678 Days

Day: 7.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,234,685 km

• M1: 119,080 km (0.118 R)
• M2: 481,556 km (0.074 R)
• M3: 959,072 km (0.078 R)
• M4: 1,265,748 km (0.097 R)
• M5: 1,582,446 km (0.087 R)
• M6: 2,017,926 km (0.081 R)
• M7: 2,405,085 km (0.085 R)
• M8: 2,799,874 km (0.102 R)
• M9: 3,268,265 km (0.049 R)
• M10: 3,737,104 km (0.108 R)
• M11: 4,631,251 km (0.107 R)
• M12: 6,315,274 km (0.11 R)
• M13: 8,054,948 km (0.113 R)
• M14: 8,373,292 km (0.092 R)
• M15: 9,474,183 km (0.075 R)
• M16: 12,338,234 km (0.091 R)
• M17: 13,557,008 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 14.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.98 AU - 3.4 AU

Year: 3799 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,234,685 km

• M1: 180,415 km (0.105 R)
• M2: 708,795 km (0.116 R)
• M3: 1,210,396 km (0.053 R)
• M4: 1,896,901 km (0.032 R)
• M5: 2,678,101 km (0.073 R)
• M6: 3,258,840 km (0.071 R)
• M7: 3,984,240 km (0.091 R)
• M8: 4,563,633 km (0.097 R)
• M9: 5,525,697 km (0.056 R)
• M10: 6,503,618 km (0.091 R)
• M11: 7,658,065 km (0.041 R)
• M12: 8,352,348 km (0.113 R)
• M13: 10,852,578 km (0.072 R)
• M14: 11,644,399 km (0.05 R)
• M15: 14,797,623 km (0.11 R)
• M16: 16,570,807 km (0.041 R)
• M17: 17,284,987 km (0.098 R)
• M18: 18,598,606 km (0.063 R)
• M19: 19,490,658 km (0.103 R)
• M20: 20,101,017 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 8.6

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.41 AU - 6.53 AU

Year: 8531 Days

Day: 10.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,234,685 km

• M1: 106,962 km (0.07 R)
• M2: 450,290 km (0.117 R)
• M3: 854,204 km (0.11 R)
• M4: 1,184,815 km (0.06 R)
• M5: 1,491,790 km (0.1 R)
• M6: 2,379,354 km (0.109 R)
• M7: 2,668,676 km (0.051 R)
• M8: 3,413,225 km (0.095 R)
• M9: 3,732,317 km (0.088 R)
• M10: 5,055,660 km (0.112 R)
• M11: 5,537,365 km (0.088 R)
• M12: 6,049,289 km (0.096 R)
• M13: 6,335,171 km (0.07 R)
• M14: 7,610,792 km (0.113 R)
• M15: 8,071,703 km (0.085 R)
• M16: 11,132,625 km (0.097 R)
• M17: 12,172,330 km (0.103 R)
• M18: 12,979,111 km (0.109 R)
• M19: 13,698,527 km (0.056 R)
• M20: 14,192,649 km (0.033 R)
• M21: 15,414,116 km (0.112 R)
• M22: 15,746,821 km (0.06 R)
• M23: 16,289,114 km (0.063 R)
• M24: 19,189,816 km (0.1 R)
• M25: 19,575,031 km (0.118 R)
• M26: 21,004,738 km (0.06 R)
• M27: 21,496,466 km (0.07 R)
• M28: 22,417,839 km (0.089 R)
• M29: 24,972,821 km (0.053 R)
• M30: 26,178,879 km (0.06 R)
• M31: 28,010,705 km (0.119 R)
• M32: 30,029,379 km (0.039 R)
• M33: 31,499,028 km (0.08 R)
• M34: 32,577,779 km (0.108 R)
• M35: 38,342,981 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.7

Radius: 7.4

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.53 AU - 9.91 AU

Year: 20208 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,234,685 km

• M1: 94,097 km (0.036 R)
• M2: 455,226 km (0.084 R)
• M3: 869,912 km (0.076 R)
• M4: 4,063,677 km (0.094 R)
• M5: 4,547,626 km (0.101 R)
• M6: 7,421,102 km (0.119 R)
• M7: 7,752,610 km (0.08 R)
• M8: 11,014,742 km (0.115 R)
• M9: 12,877,983 km (0.084 R)
• M10: 13,150,401 km (0.092 R)
• M11: 13,991,141 km (0.085 R)
• M12: 14,497,829 km (0.103 R)
• M13: 16,328,308 km (0.109 R)
• M14: 17,967,153 km (0.099 R)
• M15: 18,565,844 km (0.086 R)
• M16: 19,001,473 km (0.058 R)
• M17: 21,856,548 km (0.059 R)
• M18: 23,842,909 km (0.098 R)
• M19: 24,565,766 km (0.09 R)
• M20: 31,249,050 km (0.059 R)
• M21: 33,506,482 km (0.107 R)
• M22: 38,203,257 km (0.057 R)
• M23: 39,192,548 km (0.113 R)
• M24: 46,281,243 km (0.06 R)
• M25: 47,567,186 km (0.095 R)
• M26: 50,547,325 km (0.04 R)
• M27: 58,911,043 km (0.075 R)
• M28: 63,320,590 km (0.111 R)
• M29: 68,357,849 km (0.082 R)
• M30: 68,771,936 km (0.082 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 17,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit