🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.7

Radius: 9.2

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.53 AU - 0.53 AU

Year: 271 Days

Day: 9.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,205,104 km

• M1: 115,041 km (0.061 R)
• M2: 438,471 km (0.109 R)
• M3: 728,242 km (0.08 R)
• M4: 1,079,498 km (0.085 R)
• M5: 1,569,431 km (0.111 R)
• M6: 1,888,524 km (0.117 R)
• M7: 2,202,380 km (0.056 R)
• M8: 2,551,092 km (0.052 R)
• M9: 3,382,557 km (0.07 R)
• M10: 3,957,312 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524

Radius: 14

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.81 AU - 0.87 AU

Year: 541 Days

Day: 14.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,205,104 km

• M1: 174,132 km (0.119 R)
• M2: 689,945 km (0.073 R)
• M3: 1,233,584 km (0.054 R)
• M4: 1,728,005 km (0.1 R)
• M5: 2,265,660 km (0.109 R)
• M6: 3,284,421 km (0.077 R)
• M7: 4,175,725 km (0.072 R)
• M8: 5,094,705 km (0.094 R)
• M9: 5,756,676 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 13.5

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.82 AU - 1.2 AU

Year: 713 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,205,104 km

• M1: 168,597 km (0.097 R)
• M2: 588,368 km (0.095 R)
• M3: 1,409,062 km (0.035 R)
• M4: 1,858,754 km (0.041 R)
• M5: 2,405,833 km (0.08 R)
• M6: 2,876,767 km (0.091 R)
• M7: 4,269,523 km (0.114 R)
• M8: 5,125,522 km (0.103 R)
• M9: 5,757,723 km (0.092 R)
• M10: 6,652,617 km (0.115 R)
• M11: 8,439,863 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 14.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.91 AU - 1.25 AU

Year: 789 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,205,104 km

• M1: 181,911 km (0.066 R)
• M2: 711,188 km (0.119 R)
• M3: 2,365,442 km (0.108 R)
• M4: 2,961,888 km (0.087 R)
• M5: 3,483,386 km (0.097 R)
• M6: 4,190,536 km (0.106 R)
• M7: 4,759,755 km (0.03 R)
• M8: 5,514,178 km (0.062 R)
• M9: 6,018,771 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.7

Radius: 11.4

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.11 AU - 3.19 AU

Year: 3032 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,205,104 km

• M1: 144,362 km (0.053 R)
• M2: 565,630 km (0.096 R)
• M3: 1,168,060 km (0.073 R)
• M4: 1,531,733 km (0.054 R)
• M5: 2,095,567 km (0.078 R)
• M6: 2,919,702 km (0.099 R)
• M7: 3,496,401 km (0.051 R)
• M8: 4,087,014 km (0.054 R)
• M9: 4,481,354 km (0.025 R)
• M10: 4,969,641 km (0.08 R)
• M11: 6,402,190 km (0.106 R)
• M12: 6,964,978 km (0.036 R)
• M13: 7,714,762 km (0.12 R)
• M14: 8,718,265 km (0.082 R)
• M15: 9,129,210 km (0.075 R)
• M16: 9,953,494 km (0.1 R)
• M17: 13,254,671 km (0.09 R)
• M18: 14,691,558 km (0.045 R)
• M19: 15,572,241 km (0.079 R)
• M20: 17,224,100 km (0.09 R)
• M21: 19,276,284 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.7

Radius: 5.3

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.23 AU - 6.07 AU

Year: 9440 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,205,104 km

• M1: 65,973 km (0.111 R)
• M2: 274,213 km (0.113 R)
• M3: 802,593 km (0.116 R)
• M4: 1,018,163 km (0.053 R)
• M5: 1,392,008 km (0.054 R)
• M6: 2,051,735 km (0.118 R)
• M7: 2,280,769 km (0.117 R)
• M8: 4,618,086 km (0.115 R)
• M9: 5,400,633 km (0.059 R)
• M10: 6,174,353 km (0.079 R)
• M11: 7,829,354 km (0.071 R)
• M12: 8,162,509 km (0.112 R)
• M13: 8,817,598 km (0.104 R)
• M14: 10,630,425 km (0.115 R)
• M15: 14,637,703 km (0.091 R)
• M16: 15,314,484 km (0.113 R)
• M17: 15,952,967 km (0.075 R)
• M18: 16,913,236 km (0.042 R)
• M19: 17,282,892 km (0.088 R)
• M20: 19,413,914 km (0.071 R)
• M21: 23,344,299 km (0.094 R)
• M22: 25,615,643 km (0.062 R)
• M23: 27,013,486 km (0.101 R)
• M24: 29,870,656 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.4

Radius: 5.6

Gravity: 22.72 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.63 AU - 6.95 AU

Year: 9793 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,205,104 km

• M1: 71,657 km (0.061 R)
• M2: 392,545 km (0.109 R)
• M3: 722,558 km (0.104 R)
• M4: 2,137,604 km (0.117 R)
• M5: 3,039,380 km (0.078 R)
• M6: 4,369,604 km (0.055 R)
• M7: 4,633,944 km (0.11 R)
• M8: 6,450,660 km (0.043 R)
• M9: 7,310,848 km (0.097 R)
• M10: 7,982,692 km (0.095 R)
• M11: 9,161,074 km (0.065 R)
• M12: 10,041,907 km (0.115 R)
• M13: 10,245,061 km (0.065 R)
• M14: 15,239,535 km (0.091 R)
• M15: 17,403,618 km (0.072 R)
• M16: 19,448,322 km (0.08 R)
• M17: 22,938,739 km (0.103 R)
• M18: 30,170,001 km (0.119 R)
• M19: 35,281,910 km (0.116 R)
• M20: 40,941,945 km (0.112 R)
• M21: 41,852,996 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415

Radius: 5.3

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.44 AU - 7.2 AU

Year: 9869 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 40,205,104 km

• M1: 74,649 km (0.08 R)
• M2: 256,261 km (0.09 R)
• M3: 448,345 km (0.119 R)
• M4: 641,924 km (0.111 R)
• M5: 918,980 km (0.104 R)
• M6: 1,521,560 km (0.108 R)
• M7: 1,801,607 km (0.08 R)
• M8: 2,233,795 km (0.114 R)
• M9: 3,125,548 km (0.101 R)
• M10: 3,797,243 km (0.084 R)
• M11: 4,180,363 km (0.116 R)
• M12: 4,875,544 km (0.095 R)
• M13: 7,190,721 km (0.112 R)
• M14: 7,736,603 km (0.089 R)
• M15: 8,866,666 km (0.104 R)
• M16: 9,043,042 km (0.112 R)
• M17: 9,402,675 km (0.076 R)
• M18: 9,865,531 km (0.027 R)
• M19: 10,588,088 km (0.104 R)
• M20: 11,345,503 km (0.11 R)
• M21: 12,138,222 km (0.068 R)
• M22: 13,774,673 km (0.083 R)
• M23: 15,235,795 km (0.079 R)
• M24: 16,797,298 km (0.077 R)
• M25: 17,135,539 km (0.106 R)
• M26: 20,386,899 km (0.115 R)
• M27: 21,555,856 km (0.113 R)
• M28: 21,795,063 km (0.11 R)
• M29: 22,035,766 km (0.116 R)
• M30: 22,851,524 km (0.063 R)
• M31: 25,242,098 km (0.067 R)
• M32: 26,225,255 km (0.105 R)
• M33: 29,229,928 km (0.065 R)
• M34: 29,620,977 km (0.045 R)
• M35: 30,313,615 km (0.119 R)
• M36: 31,628,580 km (0.088 R)
• M37: 32,456,455 km (0.067 R)
• M38: 32,665,593 km (0.08 R)
• M39: 35,578,562 km (0.081 R)
• M40: 36,360,959 km (0.047 R)
• M41: 40,084,749 km (0.038 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 11,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit