🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 10.4

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.68 AU - 0.82 AU

Year: 413 Days

Day: 7.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,589,085 km

• M1: 129,402 km (0.097 R)
• M2: 484,996 km (0.116 R)
• M3: 970,890 km (0.11 R)
• M4: 1,410,858 km (0.077 R)
• M5: 1,904,979 km (0.109 R)
• M6: 2,253,243 km (0.106 R)
• M7: 2,682,888 km (0.088 R)
• M8: 3,720,798 km (0.094 R)
• M9: 4,257,406 km (0.098 R)
• M10: 4,614,945 km (0.108 R)
• M11: 5,219,919 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.3

Radius: 9.6

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.63 AU - 1.01 AU

Year: 472 Days

Day: 9.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,589,085 km

• M1: 119,828 km (0.082 R)
• M2: 567,126 km (0.104 R)
• M3: 929,751 km (0.099 R)
• M4: 1,342,790 km (0.103 R)
• M5: 1,694,495 km (0.1 R)
• M6: 2,011,493 km (0.085 R)
• M7: 2,516,535 km (0.063 R)
• M8: 3,104,305 km (0.079 R)
• M9: 3,688,186 km (0.113 R)
• M10: 4,098,084 km (0.111 R)
• M11: 5,290,977 km (0.041 R)
• M12: 5,940,232 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 14.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.54 AU - 2.08 AU

Year: 1548 Days

Day: 12.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,589,085 km

• M1: 180,265 km (0.114 R)
• M2: 730,187 km (0.075 R)
• M3: 1,285,644 km (0.107 R)
• M4: 1,973,046 km (0.119 R)
• M5: 3,782,433 km (0.066 R)
• M6: 4,956,327 km (0.098 R)
• M7: 5,803,350 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.4

Radius: 3

Gravity: 41.6 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.21 AU - 8.59 AU

Year: 11524 Days

Day: 20.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,589,085 km

• M1: 41,738 km (0.059 R)
• M2: 147,952 km (0.078 R)
• M3: 260,151 km (0.104 R)
• M4: 483,201 km (0.112 R)
• M5: 932,444 km (0.109 R)
• M6: 1,054,815 km (0.12 R)
• M7: 2,028,697 km (0.095 R)
• M8: 2,570,839 km (0.093 R)
• M9: 2,875,421 km (0.081 R)
• M10: 3,318,081 km (0.105 R)
• M11: 3,604,561 km (0.047 R)
• M12: 3,933,227 km (0.087 R)
• M13: 4,172,285 km (0.1 R)
• M14: 4,737,914 km (0.095 R)
• M15: 5,226,052 km (0.053 R)
• M16: 5,514,776 km (0.074 R)
• M17: 6,089,082 km (0.109 R)
• M18: 6,194,549 km (0.08 R)
• M19: 6,890,179 km (0.118 R)
• M20: 9,287,634 km (0.052 R)
• M21: 9,427,359 km (0.105 R)
• M22: 9,806,739 km (0.089 R)
• M23: 10,146,924 km (0.045 R)
• M24: 10,295,026 km (0.102 R)
• M25: 12,637,579 km (0.07 R)
• M26: 13,451,541 km (0.052 R)
• M27: 13,690,300 km (0.11 R)
• M28: 15,183,137 km (0.041 R)
• M29: 17,834,310 km (0.063 R)
• M30: 19,230,956 km (0.099 R)
• M31: 19,457,896 km (0.08 R)
• M32: 26,005,795 km (0.098 R)
• M33: 28,871,043 km (0.087 R)
• M34: 29,568,618 km (0.092 R)
• M35: 29,972,233 km (0.07 R)
• M36: 30,379,438 km (0.095 R)
• M37: 32,364,602 km (0.096 R)
• M38: 32,578,377 km (0.078 R)
• M39: 34,434,288 km (0.085 R)
• M40: 36,474,953 km (0.076 R)
• M41: 41,295,295 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.1

Radius: 7.2

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.58 AU - 11.24 AU

Year: 18353 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,589,085 km

• M1: 98,136 km (0.068 R)
• M2: 377,136 km (0.036 R)
• M3: 876,793 km (0.107 R)
• M4: 1,407,118 km (0.089 R)
• M5: 2,077,466 km (0.039 R)
• M6: 2,390,724 km (0.106 R)
• M7: 2,849,839 km (0.091 R)
• M8: 4,060,086 km (0.095 R)
• M9: 4,616,291 km (0.057 R)
• M10: 6,756,887 km (0.072 R)
• M11: 7,403,000 km (0.119 R)
• M12: 8,818,046 km (0.088 R)
• M13: 9,172,444 km (0.07 R)
• M14: 10,018,569 km (0.086 R)
• M15: 11,502,730 km (0.081 R)
• M16: 15,844,060 km (0.065 R)
• M17: 16,292,704 km (0.054 R)
• M18: 17,059,393 km (0.098 R)
• M19: 18,335,463 km (0.119 R)
• M20: 19,418,402 km (0.102 R)
• M21: 20,543,228 km (0.065 R)
• M22: 20,987,235 km (0.103 R)
• M23: 21,710,840 km (0.083 R)
• M24: 22,357,551 km (0.114 R)
• M25: 22,922,134 km (0.075 R)
• M26: 24,772,510 km (0.111 R)
• M27: 26,198,178 km (0.119 R)
• M28: 26,615,256 km (0.115 R)
• M29: 28,547,612 km (0.06 R)
• M30: 35,154,901 km (0.102 R)
• M31: 44,462,432 km (0.079 R)
• M32: 51,938,735 km (0.099 R)
• M33: 53,762,632 km (0.077 R)
• M34: 55,115,745 km (0.076 R)
• M35: 55,800,604 km (0.117 R)
• M36: 59,131,999 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.6

Radius: 7.1

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.38 AU - 10.54 AU

Year: 19986 Days

Day: 24.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,589,085 km

• M1: 91,853 km (0.084 R)
• M2: 318,793 km (0.108 R)
• M3: 607,367 km (0.069 R)
• M4: 1,309,131 km (0.032 R)
• M5: 2,528,802 km (0.059 R)
• M6: 3,058,678 km (0.117 R)
• M7: 3,777,645 km (0.077 R)
• M8: 4,020,144 km (0.075 R)
• M9: 4,536,555 km (0.112 R)
• M10: 4,776,062 km (0.094 R)
• M11: 5,468,999 km (0.067 R)
• M12: 5,859,749 km (0.077 R)
• M13: 6,784,862 km (0.071 R)
• M14: 7,282,424 km (0.106 R)
• M15: 8,350,254 km (0.096 R)
• M16: 8,710,934 km (0.057 R)
• M17: 9,630,064 km (0.074 R)
• M18: 10,375,510 km (0.107 R)
• M19: 10,792,589 km (0.116 R)
• M20: 13,323,486 km (0.105 R)
• M21: 13,816,261 km (0.12 R)
• M22: 17,864,679 km (0.073 R)
• M23: 22,639,693 km (0.117 R)
• M24: 24,160,655 km (0.097 R)
• M25: 25,748,636 km (0.056 R)
• M26: 26,956,340 km (0.082 R)
• M27: 27,292,187 km (0.11 R)
• M28: 27,517,631 km (0.104 R)
• M29: 29,366,212 km (0.09 R)
• M30: 32,166,385 km (0.062 R)
• M31: 36,624,102 km (0.054 R)
• M32: 39,862,597 km (0.089 R)
• M33: 45,623,012 km (0.117 R)
• M34: 47,388,566 km (0.103 R)
• M35: 49,032,796 km (0.109 R)
• M36: 61,814,139 km (0.071 R)
• M37: 63,379,980 km (0.095 R)
• M38: 65,173,060 km (0.076 R)
• M39: 68,443,719 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.8

Radius: 5.6

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.69 AU - 10.29 AU

Year: 20076 Days

Day: 17.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,589,085 km

• M1: 70,161 km (0.049 R)
• M2: 1,352,514 km (0.107 R)
• M3: 1,601,146 km (0.114 R)
• M4: 1,973,645 km (0.099 R)
• M5: 2,865,846 km (0.025 R)
• M6: 5,874,260 km (0.077 R)
• M7: 6,159,094 km (0.057 R)
• M8: 6,410,418 km (0.104 R)
• M9: 7,298,132 km (0.118 R)
• M10: 8,315,547 km (0.116 R)
• M11: 8,519,449 km (0.046 R)
• M12: 9,702,020 km (0.075 R)
• M13: 12,190,431 km (0.114 R)
• M14: 14,626,633 km (0.119 R)
• M15: 16,076,236 km (0.115 R)
• M16: 18,383,185 km (0.095 R)
• M17: 18,729,803 km (0.119 R)
• M18: 20,251,662 km (0.119 R)
• M19: 22,145,571 km (0.114 R)
• M20: 43,683,775 km (0.119 R)
• M21: 50,965,900 km (0.119 R)
• M22: 51,478,273 km (0.066 R)
• M23: 53,386,394 km (0.106 R)
• M24: 56,975,695 km (0.068 R)
• M25: 61,491,008 km (0.083 R)
• M26: 64,033,573 km (0.06 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 14,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit