🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406

Radius: 10.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.42 AU - 0.62 AU

Year: 250 Days

Day: 11.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 123.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,931,436 km

• M1: 131,796 km (0.087 R)
• M2: 543,190 km (0.078 R)
• M3: 1,229,096 km (0.119 R)
• M4: 1,596,808 km (0.099 R)
• M5: 2,237,835 km (0.09 R)
• M6: 2,917,308 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 14.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 9.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 147.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,931,436 km

• M1: 184,155 km (0.044 R)
• M2: 650,900 km (0.096 R)
• M3: 1,457,532 km (0.044 R)
• M4: 1,931,608 km (0.089 R)
• M5: 2,427,076 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.2

Radius: 9.2

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.25 AU - 1.93 AU

Year: 1337 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,931,436 km

• M1: 114,442 km (0.042 R)
• M2: 412,591 km (0.045 R)
• M3: 740,659 km (0.057 R)
• M4: 1,054,964 km (0.111 R)
• M5: 1,460,075 km (0.094 R)
• M6: 1,925,175 km (0.117 R)
• M7: 2,400,298 km (0.108 R)
• M8: 2,827,101 km (0.089 R)
• M9: 3,154,122 km (0.063 R)
• M10: 3,554,146 km (0.069 R)
• M11: 3,970,477 km (0.07 R)
• M12: 4,437,671 km (0.105 R)
• M13: 4,901,275 km (0.079 R)
• M14: 5,269,735 km (0.07 R)
• M15: 5,993,788 km (0.075 R)
• M16: 7,215,105 km (0.082 R)
• M17: 7,531,355 km (0.092 R)
• M18: 7,829,504 km (0.114 R)
• M19: 8,420,565 km (0.112 R)
• M20: 8,950,590 km (0.1 R)
• M21: 12,686,049 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 14.1

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.71 AU - 1.75 AU

Year: 1517 Days

Day: 5.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,931,436 km

• M1: 180,565 km (0.067 R)
• M2: 639,980 km (0.107 R)
• M3: 2,461,334 km (0.091 R)
• M4: 3,079,622 km (0.071 R)
• M5: 3,606,505 km (0.055 R)
• M6: 5,384,925 km (0.098 R)
• M7: 7,765,625 km (0.098 R)
• M8: 8,247,779 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.4

Radius: 11.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.86 AU - 3.22 AU

Year: 3535 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,931,436 km

• M1: 150,047 km (0.038 R)
• M2: 779,555 km (0.052 R)
• M3: 2,096,165 km (0.048 R)
• M4: 3,450,176 km (0.067 R)
• M5: 4,011,617 km (0.079 R)
• M6: 6,042,258 km (0.111 R)
• M7: 7,090,041 km (0.095 R)
• M8: 7,475,106 km (0.077 R)
• M9: 14,586,241 km (0.028 R)
• M10: 15,113,574 km (0.053 R)
• M11: 15,505,071 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.7

Radius: 14.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.87 AU - 5.63 AU

Year: 8022 Days

Day: 7.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 70.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,931,436 km

• M1: 197,469 km (0.112 R)
• M2: 1,413,101 km (0.068 R)
• M3: 3,111,337 km (0.088 R)
• M4: 3,602,616 km (0.117 R)
• M5: 6,444,527 km (0.117 R)
• M6: 9,228,543 km (0.058 R)
• M7: 12,612,896 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.4

Radius: 3.3

Gravity: 80.66 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.79 AU - 5.85 AU

Year: 9363 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,931,436 km

• M1: 42,187 km (0.114 R)
• M2: 150,495 km (0.074 R)
• M3: 341,233 km (0.107 R)
• M4: 631,303 km (0.081 R)
• M5: 946,955 km (0.114 R)
• M6: 1,181,674 km (0.09 R)
• M7: 1,345,633 km (0.111 R)
• M8: 1,688,212 km (0.042 R)
• M9: 1,998,328 km (0.117 R)
• M10: 2,176,200 km (0.095 R)
• M11: 2,345,096 km (0.056 R)
• M12: 2,795,236 km (0.047 R)
• M13: 2,905,041 km (0.073 R)
• M14: 3,549,060 km (0.088 R)
• M15: 3,757,001 km (0.035 R)
• M16: 4,341,181 km (0.115 R)
• M17: 5,445,811 km (0.026 R)
• M18: 5,548,435 km (0.04 R)
• M19: 5,757,573 km (0.077 R)
• M20: 8,833,455 km (0.075 R)
• M21: 8,975,274 km (0.099 R)
• M22: 10,851,530 km (0.076 R)
• M23: 12,433,827 km (0.09 R)
• M24: 13,218,318 km (0.115 R)
• M25: 14,685,873 km (0.062 R)
• M26: 15,837,927 km (0.078 R)
• M27: 25,157,425 km (0.099 R)
• M28: 25,442,559 km (0.095 R)
• M29: 32,720,794 km (0.056 R)
• M30: 35,147,721 km (0.109 R)
• M31: 39,326,737 km (0.038 R)
• M32: 43,688,113 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.8

Radius: 4.9

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.4 AU - 6.46 AU

Year: 9630 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,931,436 km

• M1: 60,886 km (0.059 R)
• M2: 306,077 km (0.115 R)
• M3: 507,885 km (0.102 R)
• M4: 676,930 km (0.072 R)
• M5: 917,035 km (0.062 R)
• M6: 1,371,812 km (0.083 R)
• M7: 4,778,156 km (0.117 R)
• M8: 5,016,166 km (0.098 R)
• M9: 5,262,105 km (0.099 R)
• M10: 7,352,885 km (0.099 R)
• M11: 8,834,353 km (0.053 R)
• M12: 9,355,701 km (0.09 R)
• M13: 10,111,320 km (0.084 R)
• M14: 10,726,467 km (0.03 R)
• M15: 11,648,139 km (0.096 R)
• M16: 12,822,333 km (0.052 R)
• M17: 13,076,499 km (0.088 R)
• M18: 16,454,419 km (0.057 R)
• M19: 18,698,238 km (0.071 R)
• M20: 18,959,585 km (0.106 R)
• M21: 20,997,258 km (0.045 R)
• M22: 22,068,827 km (0.094 R)
• M23: 25,262,592 km (0.072 R)
• M24: 25,662,168 km (0.112 R)
• M25: 26,310,376 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.6

Radius: 7.6

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.18 AU - 6.74 AU

Year: 10949 Days

Day: 24 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,931,436 km

• M1: 126,410 km (0.069 R)
• M2: 439,668 km (0.048 R)
• M3: 1,064,538 km (0.088 R)
• M4: 1,439,580 km (0.106 R)
• M5: 1,687,763 km (0.113 R)
• M6: 2,114,566 km (0.109 R)
• M7: 2,752,302 km (0.035 R)
• M8: 3,487,725 km (0.079 R)
• M9: 4,073,400 km (0.109 R)
• M10: 5,182,220 km (0.094 R)
• M11: 6,083,996 km (0.12 R)
• M12: 6,443,180 km (0.099 R)
• M13: 6,931,318 km (0.113 R)
• M14: 7,363,506 km (0.082 R)
• M15: 7,939,309 km (0.114 R)
• M16: 11,765,125 km (0.054 R)
• M17: 15,714,658 km (0.109 R)
• M18: 17,659,281 km (0.099 R)
• M19: 20,707,786 km (0.038 R)
• M20: 21,852,808 km (0.069 R)
• M21: 25,447,944 km (0.08 R)
• M22: 30,032,670 km (0.073 R)
• M23: 30,446,607 km (0.101 R)
• M24: 32,464,683 km (0.067 R)
• M25: 36,412,720 km (0.076 R)
• M26: 41,558,737 km (0.095 R)
• M27: 44,171,314 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.7

Radius: 6.6

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.43 AU - 12.13 AU

Year: 21980 Days

Day: 24.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,931,436 km

• M1: 82,129 km (0.118 R)
• M2: 385,813 km (0.113 R)
• M3: 845,527 km (0.091 R)
• M4: 1,170,753 km (0.117 R)
• M5: 2,275,234 km (0.069 R)
• M6: 3,800,684 km (0.026 R)
• M7: 5,219,470 km (0.079 R)
• M8: 6,149,220 km (0.028 R)
• M9: 6,653,365 km (0.087 R)
• M10: 7,321,918 km (0.078 R)
• M11: 8,231,772 km (0.067 R)
• M12: 9,161,374 km (0.088 R)
• M13: 12,108,452 km (0.077 R)
• M14: 13,034,911 km (0.066 R)
• M15: 14,007,746 km (0.091 R)
• M16: 15,252,999 km (0.072 R)
• M17: 18,556,868 km (0.057 R)
• M18: 19,696,654 km (0.11 R)
• M19: 21,539,999 km (0.112 R)
• M20: 22,308,633 km (0.088 R)
• M21: 31,391,767 km (0.098 R)
• M22: 32,006,464 km (0.114 R)
• M23: 32,754,753 km (0.119 R)
• M24: 34,937,835 km (0.113 R)
• M25: 41,475,112 km (0.094 R)
• M26: 42,663,368 km (0.1 R)
• M27: 43,569,333 km (0.08 R)
• M28: 44,488,013 km (0.083 R)
• M29: 45,419,559 km (0.112 R)
• M30: 47,482,514 km (0.104 R)
• M31: 48,946,628 km (0.107 R)
• M32: 51,283,796 km (0.096 R)
• M33: 55,461,615 km (0.09 R)
• M34: 63,895,794 km (0.099 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 16,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit