🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.3

Radius: 9.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.58 AU - 0.74 AU

Year: 370 Days

Day: 11.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,866,216 km

• M1: 120,576 km (0.111 R)
• M2: 440,267 km (0.061 R)
• M3: 955,182 km (0.116 R)
• M4: 1,364,033 km (0.072 R)
• M5: 1,702,125 km (0.049 R)
• M6: 2,214,348 km (0.118 R)
• M7: 2,798,228 km (0.082 R)
• M8: 3,101,613 km (0.099 R)
• M9: 3,615,332 km (0.089 R)
• M10: 4,098,234 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 14.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.96 AU - 1.3 AU

Year: 829 Days

Day: 6.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,866,216 km

• M1: 185,352 km (0.071 R)
• M2: 774,169 km (0.07 R)
• M3: 1,371,364 km (0.093 R)
• M4: 2,107,984 km (0.068 R)
• M5: 2,831,588 km (0.067 R)
• M6: 4,026,875 km (0.1 R)
• M7: 4,556,302 km (0.109 R)
• M8: 5,793,626 km (0.092 R)
• M9: 7,201,641 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.7

Radius: 8.1

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.2 AU - 1.82 AU

Year: 1281 Days

Day: 5.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,866,216 km

• M1: 100,829 km (0.083 R)
• M2: 358,137 km (0.053 R)
• M3: 639,232 km (0.094 R)
• M4: 897,438 km (0.042 R)
• M5: 1,250,638 km (0.07 R)
• M6: 1,509,443 km (0.042 R)
• M7: 1,844,991 km (0.094 R)
• M8: 2,218,387 km (0.057 R)
• M9: 3,903,457 km (0.105 R)
• M10: 4,352,251 km (0.074 R)
• M11: 5,225,304 km (0.115 R)
• M12: 7,000,881 km (0.08 R)
• M13: 7,474,209 km (0.112 R)
• M14: 7,856,880 km (0.061 R)
• M15: 9,583,539 km (0.105 R)
• M16: 10,233,691 km (0.063 R)
• M17: 10,774,487 km (0.063 R)
• M18: 11,913,376 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.6

Radius: 12.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.04 AU - 2.18 AU

Year: 2116 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,866,216 km

• M1: 151,692 km (0.096 R)
• M2: 626,665 km (0.072 R)
• M3: 1,233,584 km (0.046 R)
• M4: 1,782,907 km (0.105 R)
• M5: 2,432,461 km (0.049 R)
• M6: 5,571,922 km (0.099 R)
• M7: 6,005,307 km (0.057 R)
• M8: 6,891,376 km (0.062 R)
• M9: 8,160,115 km (0.053 R)
• M10: 9,306,633 km (0.104 R)
• M11: 11,741,638 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 11.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.04 AU - 2.58 AU

Year: 2423 Days

Day: 11.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,866,216 km

• M1: 144,212 km (0.052 R)
• M2: 599,439 km (0.117 R)
• M3: 1,709,604 km (0.091 R)
• M4: 2,543,912 km (0.054 R)
• M5: 3,106,400 km (0.089 R)
• M6: 4,404,909 km (0.067 R)
• M7: 4,820,791 km (0.025 R)
• M8: 5,284,694 km (0.082 R)
• M9: 5,732,142 km (0.101 R)
• M10: 6,326,943 km (0.113 R)
• M11: 6,831,985 km (0.106 R)
• M12: 7,696,362 km (0.069 R)
• M13: 8,511,072 km (0.117 R)
• M14: 10,074,070 km (0.095 R)
• M15: 10,623,693 km (0.101 R)
• M16: 13,471,438 km (0.118 R)
• M17: 14,524,158 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 14.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.93 AU - 3.27 AU

Year: 3768 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,866,216 km

• M1: 179,069 km (0.076 R)
• M2: 712,983 km (0.072 R)
• M3: 1,309,729 km (0.106 R)
• M4: 2,041,712 km (0.12 R)
• M5: 2,807,503 km (0.098 R)
• M6: 3,822,226 km (0.115 R)
• M7: 4,310,363 km (0.07 R)
• M8: 5,279,309 km (0.082 R)
• M9: 6,480,580 km (0.12 R)
• M10: 7,344,507 km (0.101 R)
• M11: 8,104,315 km (0.098 R)
• M12: 8,651,843 km (0.104 R)
• M13: 9,302,444 km (0.12 R)
• M14: 10,875,017 km (0.073 R)
• M15: 11,817,035 km (0.114 R)
• M16: 14,070,129 km (0.099 R)
• M17: 16,193,970 km (0.081 R)
• M18: 16,829,910 km (0.107 R)
• M19: 17,482,306 km (0.081 R)
• M20: 18,774,982 km (0.099 R)
• M21: 19,477,044 km (0.083 R)
• M22: 20,395,874 km (0.095 R)
• M23: 23,766,614 km (0.116 R)
• M24: 25,352,052 km (0.064 R)
• M25: 26,606,580 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 10.4

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.48 AU - 4.04 AU

Year: 4063 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,866,216 km

• M1: 129,402 km (0.112 R)
• M2: 614,997 km (0.054 R)
• M3: 1,459,926 km (0.1 R)
• M4: 2,107,385 km (0.085 R)
• M5: 2,546,156 km (0.119 R)
• M6: 2,972,659 km (0.093 R)
• M7: 3,754,907 km (0.051 R)
• M8: 7,360,514 km (0.115 R)
• M9: 8,267,676 km (0.12 R)
• M10: 8,824,180 km (0.069 R)
• M11: 9,365,724 km (0.11 R)
• M12: 9,847,579 km (0.098 R)
• M13: 10,177,891 km (0.111 R)
• M14: 11,213,707 km (0.111 R)
• M15: 11,665,492 km (0.026 R)
• M16: 12,653,736 km (0.103 R)
• M17: 13,393,198 km (0.04 R)
• M18: 14,476,436 km (0.109 R)
• M19: 15,395,416 km (0.117 R)
• M20: 15,728,870 km (0.098 R)
• M21: 17,111,304 km (0.1 R)
• M22: 17,771,329 km (0.071 R)
• M23: 18,262,010 km (0.108 R)
• M24: 19,078,366 km (0.106 R)
• M25: 22,660,786 km (0.067 R)
• M26: 25,489,682 km (0.115 R)
• M27: 26,271,480 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 8.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.58 AU - 4.38 AU

Year: 5481 Days

Day: 5.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,866,216 km

• M1: 108,309 km (0.065 R)
• M2: 437,275 km (0.088 R)
• M3: 778,059 km (0.111 R)
• M4: 1,066,932 km (0.11 R)
• M5: 1,389,764 km (0.086 R)
• M6: 1,979,928 km (0.098 R)
• M7: 2,901,152 km (0.112 R)
• M8: 4,206,692 km (0.108 R)
• M9: 4,504,691 km (0.07 R)
• M10: 4,954,681 km (0.118 R)
• M11: 6,184,825 km (0.105 R)
• M12: 6,973,206 km (0.056 R)
• M13: 7,795,246 km (0.09 R)
• M14: 8,478,011 km (0.107 R)
• M15: 9,235,574 km (0.09 R)
• M16: 10,806,202 km (0.1 R)
• M17: 11,448,875 km (0.072 R)
• M18: 11,821,373 km (0.117 R)
• M19: 15,198,396 km (0.096 R)
• M20: 16,892,891 km (0.087 R)
• M21: 17,321,937 km (0.113 R)
• M22: 18,596,063 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.7

Radius: 3.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.77 AU - 7.93 AU

Year: 11045 Days

Day: 24.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 175.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,866,216 km

• M1: 45,179 km (0.078 R)
• M2: 183,706 km (0.085 R)
• M3: 299,495 km (0.081 R)
• M4: 521,199 km (0.11 R)
• M5: 753,076 km (0.109 R)
• M6: 919,877 km (0.063 R)
• M7: 1,389,166 km (0.073 R)
• M8: 1,528,142 km (0.105 R)
• M9: 1,747,902 km (0.055 R)
• M10: 2,015,083 km (0.107 R)
• M11: 2,946,180 km (0.049 R)
• M12: 3,794,849 km (0.11 R)
• M13: 5,038,606 km (0.071 R)
• M14: 5,472,141 km (0.07 R)
• M15: 5,604,385 km (0.056 R)
• M16: 6,501,224 km (0.093 R)
• M17: 7,014,794 km (0.112 R)
• M18: 7,233,805 km (0.08 R)
• M19: 10,151,263 km (0.113 R)
• M20: 10,758,331 km (0.06 R)
• M21: 13,003,197 km (0.116 R)
• M22: 15,541,723 km (0.065 R)
• M23: 17,749,787 km (0.082 R)
• M24: 21,050,216 km (0.075 R)
• M25: 22,707,910 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.3

Radius: 7.3

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.02 AU - 9.94 AU

Year: 17045 Days

Day: 20.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,866,216 km

• M1: 90,806 km (0.067 R)
• M2: 571,015 km (0.091 R)
• M3: 1,008,738 km (0.063 R)
• M4: 1,805,048 km (0.065 R)
• M5: 2,376,512 km (0.076 R)
• M6: 3,240,589 km (0.059 R)
• M7: 4,082,825 km (0.066 R)
• M8: 5,133,900 km (0.104 R)
• M9: 5,837,459 km (0.085 R)
• M10: 9,198,773 km (0.032 R)
• M11: 10,461,529 km (0.034 R)
• M12: 12,926,453 km (0.057 R)
• M13: 25,810,869 km (0.091 R)
• M14: 27,199,885 km (0.073 R)
• M15: 45,909,492 km (0.113 R)
• M16: 46,373,994 km (0.112 R)
• M17: 49,064,810 km (0.098 R)
• M18: 51,025,739 km (0.089 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: 307 - 18,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit