🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.9

Radius: 12.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 13.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,562,508 km

• M1: 154,235 km (0.12 R)
• M2: 560,244 km (0.076 R)
• M3: 960,119 km (0.103 R)
• M4: 1,527,245 km (0.057 R)
• M5: 1,941,182 km (0.075 R)
• M6: 2,512,047 km (0.09 R)
• M7: 2,947,078 km (0.085 R)
• M8: 3,473,812 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.2

Radius: 12.3

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.73 AU - 2.09 AU

Year: 1760 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,562,508 km

• M1: 153,039 km (0.097 R)
• M2: 709,393 km (0.079 R)
• M3: 1,166,714 km (0.108 R)
• M4: 1,556,865 km (0.101 R)
• M5: 2,025,854 km (0.11 R)
• M6: 2,502,473 km (0.112 R)
• M7: 2,915,363 km (0.085 R)
• M8: 3,527,219 km (0.034 R)
• M9: 4,438,569 km (0.083 R)
• M10: 5,714,788 km (0.075 R)
• M11: 6,676,852 km (0.068 R)
• M12: 7,717,156 km (0.081 R)
• M13: 8,921,119 km (0.047 R)
• M14: 9,399,833 km (0.075 R)
• M15: 10,022,459 km (0.075 R)
• M16: 10,838,964 km (0.106 R)
• M17: 12,128,348 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 13.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.63 AU - 2.61 AU

Year: 2058 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,562,508 km

• M1: 163,062 km (0.119 R)
• M2: 685,757 km (0.071 R)
• M3: 1,237,623 km (0.053 R)
• M4: 1,687,314 km (0.102 R)
• M5: 2,362,599 km (0.11 R)
• M6: 3,041,474 km (0.108 R)
• M7: 3,590,050 km (0.114 R)
• M8: 4,602,079 km (0.117 R)
• M9: 5,084,981 km (0.098 R)
• M10: 5,752,337 km (0.066 R)
• M11: 6,337,115 km (0.115 R)
• M12: 8,389,299 km (0.11 R)
• M13: 9,566,933 km (0.091 R)
• M14: 11,156,560 km (0.108 R)
• M15: 11,711,868 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.9

Radius: 14

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.23 AU - 2.41 AU

Year: 2356 Days

Day: 6.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,562,508 km

• M1: 174,132 km (0.046 R)
• M2: 1,127,968 km (0.1 R)
• M3: 1,648,569 km (0.025 R)
• M4: 2,463,578 km (0.092 R)
• M5: 3,225,928 km (0.1 R)
• M6: 4,105,564 km (0.085 R)
• M7: 6,175,550 km (0.079 R)
• M8: 6,881,502 km (0.096 R)
• M9: 9,141,327 km (0.115 R)
• M10: 10,323,450 km (0.115 R)
• M11: 11,073,384 km (0.108 R)
• M12: 11,641,258 km (0.095 R)
• M13: 12,079,878 km (0.113 R)
• M14: 12,912,839 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.3

Radius: 9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.84 AU - 3.96 AU

Year: 4181 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,562,508 km

• M1: 114,442 km (0.102 R)
• M2: 492,626 km (0.094 R)
• M3: 828,772 km (0.087 R)
• M4: 1,201,869 km (0.107 R)
• M5: 1,485,656 km (0.093 R)
• M6: 2,295,579 km (0.118 R)
• M7: 2,637,560 km (0.108 R)
• M8: 3,306,263 km (0.107 R)
• M9: 4,505,140 km (0.085 R)
• M10: 4,867,616 km (0.116 R)
• M11: 5,847,033 km (0.091 R)
• M12: 6,304,952 km (0.103 R)
• M13: 7,263,874 km (0.027 R)
• M14: 9,095,999 km (0.081 R)
• M15: 10,136,901 km (0.089 R)
• M16: 11,488,668 km (0.085 R)
• M17: 12,045,471 km (0.098 R)
• M18: 12,412,734 km (0.11 R)
• M19: 12,956,672 km (0.068 R)
• M20: 14,730,005 km (0.101 R)
• M21: 16,609,403 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 11.6

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.01 AU - 5.57 AU

Year: 8114 Days

Day: 6 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,562,508 km

• M1: 144,960 km (0.107 R)
• M2: 1,506,301 km (0.109 R)
• M3: 4,029,119 km (0.082 R)
• M4: 4,403,413 km (0.054 R)
• M5: 4,825,130 km (0.042 R)
• M6: 6,698,693 km (0.104 R)
• M7: 7,194,760 km (0.12 R)
• M8: 9,659,684 km (0.119 R)
• M9: 12,318,337 km (0.116 R)
• M10: 12,922,264 km (0.108 R)
• M11: 13,594,706 km (0.098 R)
• M12: 15,378,063 km (0.118 R)
• M13: 18,427,765 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.6

Radius: 10.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.48 AU - 6.52 AU

Year: 8601 Days

Day: 11.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,562,508 km

• M1: 131,796 km (0.082 R)
• M2: 575,353 km (0.063 R)
• M3: 984,204 km (0.059 R)
• M4: 2,223,324 km (0.118 R)
• M5: 2,978,045 km (0.096 R)
• M6: 3,517,196 km (0.031 R)
• M7: 4,249,028 km (0.094 R)
• M8: 4,934,037 km (0.06 R)
• M9: 7,097,671 km (0.075 R)
• M10: 8,851,856 km (0.037 R)
• M11: 10,779,873 km (0.096 R)
• M12: 14,893,366 km (0.117 R)
• M13: 15,889,538 km (0.068 R)
• M14: 18,014,426 km (0.068 R)
• M15: 19,727,770 km (0.104 R)
• M16: 22,901,938 km (0.114 R)
• M17: 24,909,990 km (0.071 R)
• M18: 26,045,288 km (0.061 R)
• M19: 29,658,376 km (0.113 R)
• M20: 30,242,406 km (0.111 R)
• M21: 32,449,723 km (0.071 R)
• M22: 32,965,985 km (0.11 R)
• M23: 35,085,937 km (0.075 R)
• M24: 35,739,231 km (0.049 R)
• M25: 38,433,937 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931

Radius: 3.7

Gravity: 68.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.48 AU - 7.74 AU

Year: 11333 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,562,508 km

• M1: 49,367 km (0.116 R)
• M2: 191,036 km (0.058 R)
• M3: 1,107,024 km (0.109 R)
• M4: 1,271,731 km (0.06 R)
• M5: 1,511,387 km (0.106 R)
• M6: 3,876,829 km (0.097 R)
• M7: 4,924,912 km (0.055 R)
• M8: 5,265,995 km (0.113 R)
• M9: 7,740,643 km (0.058 R)
• M10: 10,173,254 km (0.044 R)
• M11: 10,557,870 km (0.078 R)
• M12: 16,700,508 km (0.048 R)
• M13: 19,321,612 km (0.112 R)
• M14: 22,387,471 km (0.053 R)
• M15: 22,571,776 km (0.09 R)
• M16: 27,202,129 km (0.079 R)
• M17: 28,586,208 km (0.101 R)
• M18: 41,388,495 km (0.115 R)
• M19: 53,659,859 km (0.105 R)
• M20: 57,023,866 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.6

Radius: 6.3

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.46 AU - 8.94 AU

Year: 12883 Days

Day: 16.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,562,508 km

• M1: 78,539 km (0.093 R)
• M2: 801,545 km (0.119 R)
• M3: 1,022,352 km (0.115 R)
• M4: 1,978,133 km (0.116 R)
• M5: 2,785,961 km (0.08 R)
• M6: 3,452,270 km (0.101 R)
• M7: 3,822,824 km (0.103 R)
• M8: 5,298,009 km (0.108 R)
• M9: 7,673,772 km (0.108 R)
• M10: 8,212,774 km (0.116 R)
• M11: 8,633,443 km (0.111 R)
• M12: 9,722,366 km (0.12 R)
• M13: 11,696,908 km (0.083 R)
• M14: 13,534,568 km (0.076 R)
• M15: 14,254,134 km (0.114 R)
• M16: 19,771,453 km (0.104 R)
• M17: 20,868,454 km (0.072 R)
• M18: 34,756,522 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.1

Radius: 7.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.45 AU - 10.05 AU

Year: 20302 Days

Day: 19.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,562,508 km

• M1: 96,939 km (0.067 R)
• M2: 348,713 km (0.107 R)
• M3: 603,627 km (0.118 R)
• M4: 854,653 km (0.119 R)
• M5: 1,504,955 km (0.102 R)
• M6: 2,149,123 km (0.104 R)
• M7: 3,286,815 km (0.037 R)
• M8: 4,149,995 km (0.054 R)
• M9: 4,586,072 km (0.087 R)
• M10: 5,018,111 km (0.106 R)
• M11: 5,261,806 km (0.086 R)
• M12: 5,623,683 km (0.094 R)
• M13: 7,328,351 km (0.091 R)
• M14: 7,642,656 km (0.084 R)
• M15: 11,721,292 km (0.048 R)
• M16: 12,402,561 km (0.088 R)
• M17: 12,849,560 km (0.097 R)
• M18: 14,888,130 km (0.102 R)
• M19: 18,583,496 km (0.109 R)
• M20: 27,614,869 km (0.089 R)
• M21: 31,685,577 km (0.108 R)
• M22: 42,413,839 km (0.03 R)
• M23: 43,574,569 km (0.067 R)
• M24: 45,656,373 km (0.065 R)
• M25: 52,133,063 km (0.076 R)
• M26: 52,463,824 km (0.109 R)
• M27: 53,464,484 km (0.12 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 15,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit