🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.4

Radius: 12.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.54 AU - 0.68 AU

Year: 318 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,270,979 km

• M1: 151,692 km (0.12 R)
• M2: 537,655 km (0.102 R)
• M3: 927,357 km (0.113 R)
• M4: 1,333,067 km (0.059 R)
• M5: 1,891,665 km (0.079 R)
• M6: 2,555,730 km (0.07 R)
• M7: 3,030,853 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.2

Radius: 13.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.69 AU - 1.11 AU

Year: 569 Days

Day: 14.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,270,979 km

• M1: 167,849 km (0.103 R)
• M2: 625,917 km (0.083 R)
• M3: 1,146,817 km (0.057 R)
• M4: 1,832,574 km (0.063 R)
• M5: 2,294,383 km (0.065 R)
• M6: 3,067,205 km (0.096 R)
• M7: 3,509,117 km (0.1 R)
• M8: 3,939,361 km (0.104 R)
• M9: 4,464,000 km (0.052 R)
• M10: 6,010,394 km (0.099 R)
• M11: 6,611,029 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.6

Radius: 8.5

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.58 AU - 4.84 AU

Year: 5760 Days

Day: 8.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,270,979 km

• M1: 106,065 km (0.118 R)
• M2: 399,726 km (0.116 R)
• M3: 668,852 km (0.106 R)
• M4: 1,196,035 km (0.118 R)
• M5: 1,605,335 km (0.113 R)
• M6: 1,883,437 km (0.105 R)
• M7: 2,149,721 km (0.1 R)
• M8: 2,639,056 km (0.116 R)
• M9: 4,109,454 km (0.097 R)
• M10: 4,916,085 km (0.076 R)
• M11: 7,791,655 km (0.083 R)
• M12: 8,713,029 km (0.093 R)
• M13: 9,746,451 km (0.106 R)
• M14: 10,378,801 km (0.102 R)
• M15: 11,127,987 km (0.092 R)
• M16: 14,651,167 km (0.095 R)
• M17: 14,979,235 km (0.116 R)
• M18: 15,593,484 km (0.115 R)
• M19: 17,659,879 km (0.092 R)
• M20: 18,031,630 km (0.055 R)
• M21: 26,608,674 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 14.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.21 AU - 4.43 AU

Year: 5988 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,270,979 km

• M1: 181,911 km (0.085 R)
• M2: 649,704 km (0.082 R)
• M3: 1,370,765 km (0.102 R)
• M4: 2,000,423 km (0.03 R)
• M5: 2,993,902 km (0.06 R)
• M6: 4,170,190 km (0.037 R)
• M7: 4,851,160 km (0.088 R)
• M8: 6,674,459 km (0.112 R)
• M9: 7,312,643 km (0.103 R)
• M10: 8,548,022 km (0.089 R)
• M11: 9,345,080 km (0.106 R)
• M12: 9,873,609 km (0.113 R)
• M13: 11,136,215 km (0.067 R)
• M14: 12,399,120 km (0.107 R)
• M15: 14,324,894 km (0.111 R)
• M16: 15,148,580 km (0.083 R)
• M17: 18,971,404 km (0.076 R)
• M18: 19,749,312 km (0.105 R)
• M19: 22,133,753 km (0.089 R)
• M20: 23,637,062 km (0.113 R)
• M21: 25,039,093 km (0.058 R)
• M22: 28,190,223 km (0.036 R)
• M23: 31,597,015 km (0.117 R)
• M24: 32,791,105 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 9.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.8 AU - 5.74 AU

Year: 6947 Days

Day: 14.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,270,979 km

• M1: 121,025 km (0.12 R)
• M2: 646,412 km (0.117 R)
• M3: 1,067,082 km (0.082 R)
• M4: 2,593,279 km (0.056 R)
• M5: 4,690,342 km (0.068 R)
• M6: 5,021,402 km (0.117 R)
• M7: 10,923,038 km (0.064 R)
• M8: 11,598,921 km (0.11 R)
• M9: 11,970,672 km (0.043 R)
• M10: 14,691,708 km (0.07 R)
• M11: 15,348,143 km (0.026 R)
• M12: 18,046,889 km (0.08 R)
• M13: 19,248,608 km (0.11 R)
• M14: 20,034,596 km (0.074 R)
• M15: 26,306,187 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 10.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.12 AU - 6.34 AU

Year: 9147 Days

Day: 10.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,270,979 km

• M1: 134,339 km (0.045 R)
• M2: 639,381 km (0.068 R)
• M3: 1,142,329 km (0.08 R)
• M4: 1,587,682 km (0.106 R)
• M5: 2,000,124 km (0.034 R)
• M6: 2,968,171 km (0.036 R)
• M7: 3,514,652 km (0.117 R)
• M8: 4,079,534 km (0.053 R)
• M9: 4,863,128 km (0.075 R)
• M10: 5,333,762 km (0.062 R)
• M11: 5,987,954 km (0.105 R)
• M12: 10,267,201 km (0.068 R)
• M13: 10,719,435 km (0.095 R)
• M14: 11,712,765 km (0.071 R)
• M15: 12,921,666 km (0.102 R)
• M16: 15,409,927 km (0.102 R)
• M17: 16,306,018 km (0.106 R)
• M18: 17,173,237 km (0.118 R)
• M19: 17,554,263 km (0.1 R)
• M20: 18,267,396 km (0.094 R)
• M21: 19,475,848 km (0.107 R)
• M22: 20,381,214 km (0.052 R)
• M23: 23,188,867 km (0.098 R)
• M24: 25,170,739 km (0.039 R)
• M25: 28,928,937 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.1

Radius: 7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.37 AU - 6.53 AU

Year: 9678 Days

Day: 21.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,270,979 km

• M1: 88,113 km (0.045 R)
• M2: 400,025 km (0.067 R)
• M3: 1,029,383 km (0.068 R)
• M4: 1,827,787 km (0.119 R)
• M5: 2,070,734 km (0.085 R)
• M6: 2,393,716 km (0.097 R)
• M7: 2,622,151 km (0.065 R)
• M8: 5,812,176 km (0.088 R)
• M9: 6,370,326 km (0.039 R)
• M10: 7,273,897 km (0.109 R)
• M11: 14,709,659 km (0.07 R)
• M12: 15,220,835 km (0.078 R)
• M13: 19,746,021 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.2

Radius: 5.6

Gravity: 31.58 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.55 AU - 10.79 AU

Year: 17024 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,270,979 km

• M1: 69,713 km (0.086 R)
• M2: 272,567 km (0.095 R)
• M3: 490,531 km (0.095 R)
• M4: 696,528 km (0.089 R)
• M5: 925,712 km (0.073 R)
• M6: 1,473,988 km (0.106 R)
• M7: 1,675,197 km (0.094 R)
• M8: 2,051,585 km (0.066 R)
• M9: 2,259,975 km (0.113 R)
• M10: 2,844,005 km (0.109 R)
• M11: 3,104,006 km (0.057 R)
• M12: 4,791,470 km (0.071 R)
• M13: 4,973,531 km (0.117 R)
• M14: 5,912,706 km (0.084 R)
• M15: 6,646,035 km (0.046 R)
• M16: 7,732,116 km (0.107 R)
• M17: 8,187,641 km (0.092 R)
• M18: 8,660,969 km (0.078 R)
• M19: 10,737,986 km (0.064 R)
• M20: 12,293,803 km (0.028 R)
• M21: 14,517,875 km (0.102 R)
• M22: 18,917,698 km (0.114 R)
• M23: 21,075,946 km (0.073 R)
• M24: 22,670,660 km (0.089 R)
• M25: 24,024,371 km (0.093 R)
• M26: 25,431,040 km (0.085 R)
• M27: 25,652,145 km (0.099 R)
• M28: 36,144,940 km (0.048 R)
• M29: 42,635,992 km (0.113 R)
• M30: 46,483,948 km (0.101 R)
• M31: 48,492,000 km (0.032 R)
• M32: 49,862,317 km (0.1 R)
• M33: 55,046,481 km (0.085 R)
• M34: 55,975,035 km (0.081 R)
• M35: 66,889,247 km (0.058 R)
• M36: 73,400,195 km (0.086 R)
• M37: 75,432,931 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 12,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit