🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.6

Radius: 14.5

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.1 AU - 1.22 AU

Year: 820 Days

Day: 7.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,848,888 km

• M1: 181,761 km (0.113 R)
• M2: 771,626 km (0.079 R)
• M3: 1,258,417 km (0.108 R)
• M4: 1,715,439 km (0.091 R)
• M5: 2,347,789 km (0.117 R)
• M6: 3,533,502 km (0.117 R)
• M7: 4,325,024 km (0.099 R)
• M8: 5,051,920 km (0.112 R)
• M9: 5,938,587 km (0.118 R)
• M10: 6,535,931 km (0.032 R)
• M11: 7,015,691 km (0.07 R)
• M12: 7,707,881 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.5

Radius: 14.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.96 AU - 2.42 AU

Year: 2126 Days

Day: 6.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,848,888 km

• M1: 177,872 km (0.097 R)
• M2: 622,926 km (0.1 R)
• M3: 1,106,875 km (0.115 R)
• M4: 1,743,264 km (0.108 R)
• M5: 2,501,725 km (0.105 R)
• M6: 2,966,227 km (0.117 R)
• M7: 3,440,302 km (0.116 R)
• M8: 4,127,405 km (0.089 R)
• M9: 4,741,953 km (0.119 R)
• M10: 6,676,254 km (0.068 R)
• M11: 7,721,644 km (0.082 R)
• M12: 8,781,096 km (0.075 R)
• M13: 11,407,137 km (0.113 R)
• M14: 12,741,251 km (0.116 R)
• M15: 13,965,410 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 10.6

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.09 AU - 2.89 AU

Year: 2578 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 82.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,848,888 km

• M1: 131,796 km (0.115 R)
• M2: 495,319 km (0.089 R)
• M3: 837,449 km (0.048 R)
• M4: 1,403,527 km (0.1 R)
• M5: 1,824,496 km (0.086 R)
• M6: 3,703,445 km (0.093 R)
• M7: 4,096,738 km (0.091 R)
• M8: 4,651,895 km (0.068 R)
• M9: 5,235,477 km (0.05 R)
• M10: 7,178,753 km (0.069 R)
• M11: 8,884,767 km (0.108 R)
• M12: 10,845,995 km (0.057 R)
• M13: 11,333,983 km (0.109 R)
• M14: 12,279,143 km (0.105 R)
• M15: 13,158,330 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 11.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.37 AU - 3.69 AU

Year: 4351 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,848,888 km

• M1: 157,527 km (0.11 R)
• M2: 2,410,022 km (0.046 R)
• M3: 2,780,725 km (0.099 R)
• M4: 4,834,405 km (0.076 R)
• M5: 7,747,075 km (0.083 R)
• M6: 8,913,191 km (0.075 R)
• M7: 10,017,821 km (0.1 R)
• M8: 11,174,063 km (0.102 R)
• M9: 14,856,714 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.4

Radius: 12

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.38 AU - 4.92 AU

Year: 6578 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,848,888 km

• M1: 161,865 km (0.099 R)
• M2: 633,697 km (0.079 R)
• M3: 1,108,221 km (0.072 R)
• M4: 1,528,441 km (0.117 R)
• M5: 2,167,224 km (0.106 R)
• M6: 2,670,920 km (0.075 R)
• M7: 3,103,857 km (0.044 R)
• M8: 3,685,344 km (0.096 R)
• M9: 5,249,389 km (0.058 R)
• M10: 6,864,897 km (0.089 R)
• M11: 11,094,776 km (0.055 R)
• M12: 16,293,003 km (0.107 R)
• M13: 16,981,453 km (0.081 R)
• M14: 18,975,293 km (0.107 R)
• M15: 19,801,971 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 13.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.66 AU - 6.08 AU

Year: 7050 Days

Day: 9.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,848,888 km

• M1: 164,109 km (0.109 R)
• M2: 1,764,058 km (0.032 R)
• M3: 3,619,371 km (0.093 R)
• M4: 4,617,488 km (0.073 R)
• M5: 5,226,650 km (0.117 R)
• M6: 6,396,057 km (0.112 R)
• M7: 7,117,418 km (0.098 R)
• M8: 8,983,053 km (0.118 R)
• M9: 10,903,890 km (0.083 R)
• M10: 13,484,752 km (0.116 R)
• M11: 17,185,205 km (0.081 R)
• M12: 18,723,370 km (0.114 R)
• M13: 19,378,310 km (0.106 R)
• M14: 22,071,969 km (0.101 R)
• M15: 25,979,914 km (0.105 R)
• M16: 32,359,815 km (0.058 R)
• M17: 35,356,260 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 9.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.32 AU - 5.62 AU

Year: 8392 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,848,888 km

• M1: 123,119 km (0.063 R)
• M2: 462,557 km (0.096 R)
• M3: 973,583 km (0.095 R)
• M4: 1,664,276 km (0.028 R)
• M5: 2,325,648 km (0.112 R)
• M6: 2,954,259 km (0.091 R)
• M7: 3,404,848 km (0.089 R)
• M8: 3,924,401 km (0.114 R)
• M9: 5,151,253 km (0.102 R)
• M10: 6,057,966 km (0.078 R)
• M11: 9,854,610 km (0.107 R)
• M12: 11,247,366 km (0.095 R)
• M13: 13,797,412 km (0.1 R)
• M14: 16,208,929 km (0.087 R)
• M15: 16,583,971 km (0.09 R)
• M16: 20,441,651 km (0.031 R)
• M17: 31,395,507 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.1

Radius: 10.4

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.61 AU - 5.65 AU

Year: 8763 Days

Day: 11.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,848,888 km

• M1: 130,300 km (0.111 R)
• M2: 547,678 km (0.076 R)
• M3: 1,018,462 km (0.11 R)
• M4: 2,000,572 km (0.088 R)
• M5: 2,344,199 km (0.11 R)
• M6: 2,913,419 km (0.092 R)
• M7: 3,597,230 km (0.07 R)
• M8: 3,951,329 km (0.063 R)
• M9: 4,526,383 km (0.1 R)
• M10: 5,063,140 km (0.087 R)
• M11: 5,981,820 km (0.035 R)
• M12: 6,335,769 km (0.03 R)
• M13: 8,062,727 km (0.08 R)
• M14: 11,211,313 km (0.092 R)
• M15: 15,360,111 km (0.098 R)
• M16: 16,434,822 km (0.08 R)
• M17: 18,509,445 km (0.105 R)
• M18: 19,111,278 km (0.096 R)
• M19: 19,648,484 km (0.083 R)
• M20: 20,914,082 km (0.091 R)
• M21: 21,238,858 km (0.069 R)
• M22: 22,065,536 km (0.093 R)
• M23: 22,742,167 km (0.11 R)
• M24: 23,871,183 km (0.063 R)
• M25: 25,037,148 km (0.085 R)
• M26: 31,230,500 km (0.078 R)
• M27: 32,624,453 km (0.046 R)
• M28: 37,173,575 km (0.117 R)
• M29: 41,358,875 km (0.05 R)
• M30: 42,387,509 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.6

Radius: 4.9

Gravity: 30.97 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.07 AU - 7.31 AU

Year: 12647 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,848,888 km

• M1: 64,028 km (0.08 R)
• M2: 218,862 km (0.093 R)
• M3: 699,220 km (0.095 R)
• M4: 886,816 km (0.064 R)
• M5: 1,808,788 km (0.082 R)
• M6: 1,964,519 km (0.055 R)
• M7: 2,205,372 km (0.088 R)
• M8: 5,736,181 km (0.067 R)
• M9: 6,386,034 km (0.118 R)
• M10: 13,977,228 km (0.118 R)
• M11: 16,606,860 km (0.118 R)
• M12: 22,357,701 km (0.117 R)
• M13: 23,382,297 km (0.12 R)
• M14: 35,906,182 km (0.08 R)
• M15: 36,285,263 km (0.068 R)
• M16: 39,548,890 km (0.032 R)
• M17: 41,182,648 km (0.095 R)
• M18: 41,737,058 km (0.11 R)
• M19: 44,584,205 km (0.11 R)
• M20: 48,475,395 km (0.059 R)
• M21: 48,938,400 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.7

Radius: 4

Gravity: 19.04 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.3 AU - 11.82 AU

Year: 22512 Days

Day: 20.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,848,888 km

• M1: 49,966 km (0.116 R)
• M2: 211,232 km (0.049 R)
• M3: 441,015 km (0.07 R)
• M4: 700,417 km (0.119 R)
• M5: 917,933 km (0.104 R)
• M6: 1,091,017 km (0.106 R)
• M7: 1,413,550 km (0.111 R)
• M8: 2,012,540 km (0.093 R)
• M9: 2,327,144 km (0.102 R)
• M10: 3,230,716 km (0.108 R)
• M11: 3,605,608 km (0.115 R)
• M12: 4,870,607 km (0.106 R)
• M13: 5,290,529 km (0.084 R)
• M14: 5,621,140 km (0.104 R)
• M15: 5,965,215 km (0.094 R)
• M16: 6,404,734 km (0.049 R)
• M17: 7,125,795 km (0.12 R)
• M18: 10,104,139 km (0.089 R)
• M19: 10,785,558 km (0.099 R)
• M20: 11,256,492 km (0.117 R)
• M21: 15,752,506 km (0.11 R)
• M22: 22,812,329 km (0.087 R)
• M23: 24,080,320 km (0.082 R)
• M24: 29,508,629 km (0.087 R)
• M25: 33,054,398 km (0.086 R)
• M26: 33,920,719 km (0.099 R)
• M27: 36,479,142 km (0.102 R)
• M28: 37,805,327 km (0.047 R)
• M29: 46,752,027 km (0.095 R)
• M30: 47,686,116 km (0.098 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 10,915 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit