🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.4

Radius: 10.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.64 AU - 0.74 AU

Year: 370 Days

Day: 6.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,380,193 km

• M1: 134,339 km (0.061 R)
• M2: 474,076 km (0.109 R)
• M3: 922,869 km (0.078 R)
• M4: 1,380,040 km (0.1 R)
• M5: 1,745,358 km (0.111 R)
• M6: 2,313,531 km (0.096 R)
• M7: 2,811,842 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709

Radius: 13.1

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.74 AU - 0.94 AU

Year: 497 Days

Day: 13.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,380,193 km

• M1: 163,062 km (0.088 R)
• M2: 619,784 km (0.115 R)
• M3: 1,041,052 km (0.115 R)
• M4: 1,495,829 km (0.098 R)
• M5: 2,721,784 km (0.108 R)
• M6: 3,386,896 km (0.094 R)
• M7: 3,870,995 km (0.065 R)
• M8: 4,328,764 km (0.105 R)
• M9: 4,760,952 km (0.08 R)
• M10: 5,489,045 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.8

Radius: 8.4

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.81 AU - 0.95 AU

Year: 533 Days

Day: 5.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,380,193 km

• M1: 104,569 km (0.115 R)
• M2: 427,102 km (0.053 R)
• M3: 858,393 km (0.107 R)
• M4: 1,283,849 km (0.064 R)
• M5: 3,987,980 km (0.077 R)
• M6: 4,685,555 km (0.109 R)
• M7: 5,564,742 km (0.118 R)
• M8: 6,246,459 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 9.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.35 AU - 1.45 AU

Year: 1070 Days

Day: 6.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,380,193 km

• M1: 116,986 km (0.08 R)
• M2: 555,008 km (0.119 R)
• M3: 1,075,160 km (0.111 R)
• M4: 1,666,670 km (0.094 R)
• M5: 2,061,608 km (0.042 R)
• M6: 4,456,521 km (0.106 R)
• M7: 5,056,408 km (0.117 R)
• M8: 5,531,082 km (0.115 R)
• M9: 6,224,019 km (0.062 R)
• M10: 7,635,326 km (0.103 R)
• M11: 7,981,495 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837

Radius: 8.3

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.05 AU - 2.29 AU

Year: 2064 Days

Day: 8.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,380,193 km

• M1: 103,522 km (0.053 R)
• M2: 374,593 km (0.099 R)
• M3: 766,240 km (0.068 R)
• M4: 1,034,020 km (0.052 R)
• M5: 1,338,602 km (0.072 R)
• M6: 1,618,948 km (0.087 R)
• M7: 1,892,263 km (0.062 R)
• M8: 2,634,119 km (0.117 R)
• M9: 3,539,186 km (0.104 R)
• M10: 3,813,699 km (0.092 R)
• M11: 4,344,023 km (0.067 R)
• M12: 4,922,518 km (0.09 R)
• M13: 5,872,764 km (0.118 R)
• M14: 6,232,696 km (0.08 R)
• M15: 8,579,887 km (0.115 R)
• M16: 9,145,516 km (0.092 R)
• M17: 9,878,396 km (0.086 R)
• M18: 10,612,024 km (0.087 R)
• M19: 11,619,715 km (0.109 R)
• M20: 14,186,216 km (0.099 R)
• M21: 16,697,366 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.6

Radius: 4

Gravity: 61.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.79 AU - 7.29 AU

Year: 9585 Days

Day: 23.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,380,193 km

• M1: 50,414 km (0.104 R)
• M2: 184,753 km (0.025 R)
• M3: 463,305 km (0.062 R)
• M4: 972,237 km (0.114 R)
• M5: 1,239,269 km (0.06 R)
• M6: 1,918,742 km (0.118 R)
• M7: 2,795,236 km (0.034 R)
• M8: 3,235,353 km (0.092 R)
• M9: 5,091,863 km (0.09 R)
• M10: 6,111,522 km (0.095 R)
• M11: 6,415,205 km (0.113 R)
• M12: 7,429,180 km (0.082 R)
• M13: 9,365,724 km (0.109 R)
• M14: 13,551,473 km (0.083 R)
• M15: 14,933,458 km (0.066 R)
• M16: 17,974,334 km (0.091 R)
• M17: 18,754,636 km (0.102 R)
• M18: 19,072,981 km (0.102 R)
• M19: 19,638,909 km (0.087 R)
• M20: 21,663,716 km (0.043 R)
• M21: 22,547,092 km (0.1 R)
• M22: 25,632,099 km (0.106 R)
• M23: 26,619,744 km (0.082 R)
• M24: 28,252,306 km (0.119 R)
• M25: 30,167,308 km (0.117 R)
• M26: 32,280,827 km (0.112 R)
• M27: 34,729,146 km (0.117 R)
• M28: 37,928,446 km (0.103 R)
• M29: 39,209,452 km (0.099 R)
• M30: 40,651,576 km (0.111 R)
• M31: 40,917,411 km (0.1 R)
• M32: 44,059,864 km (0.114 R)
• M33: 46,628,460 km (0.115 R)
• M34: 49,901,212 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423

Radius: 3.6

Gravity: 32.64 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.2 AU - 9.66 AU

Year: 15804 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,380,193 km

• M1: 46,824 km (0.075 R)
• M2: 242,947 km (0.077 R)
• M3: 367,412 km (0.082 R)
• M4: 549,922 km (0.074 R)
• M5: 2,583,705 km (0.086 R)
• M6: 2,757,687 km (0.106 R)
• M7: 3,942,801 km (0.08 R)
• M8: 4,057,244 km (0.043 R)
• M9: 5,188,802 km (0.062 R)
• M10: 5,466,157 km (0.091 R)
• M11: 6,756,289 km (0.071 R)
• M12: 8,518,252 km (0.028 R)
• M13: 9,101,385 km (0.066 R)
• M14: 9,351,961 km (0.111 R)
• M15: 11,997,151 km (0.097 R)
• M16: 13,749,839 km (0.082 R)
• M17: 16,987,437 km (0.041 R)
• M18: 17,830,570 km (0.112 R)
• M19: 18,381,539 km (0.089 R)
• M20: 18,943,578 km (0.072 R)
• M21: 22,559,060 km (0.073 R)
• M22: 23,576,624 km (0.103 R)
• M23: 27,327,342 km (0.074 R)
• M24: 30,554,916 km (0.095 R)
• M25: 33,077,136 km (0.104 R)
• M26: 33,669,095 km (0.114 R)
• M27: 37,369,997 km (0.043 R)
• M28: 39,848,834 km (0.084 R)
• M29: 41,743,939 km (0.115 R)
• M30: 44,554,135 km (0.11 R)
• M31: 46,299,494 km (0.112 R)
• M32: 47,938,787 km (0.049 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 10,915 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit