🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.51 AU - 0.81 AU

Year: 341 Days

Day: 37.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,285,075 km

• M1: 89,011 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 12.4

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.82 AU - 0.88 AU

Year: 498 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,285,075 km

• M1: 154,684 km (0.068 R)
• M2: 583,132 km (0.036 R)
• M3: 1,180,477 km (0.068 R)
• M4: 2,435,453 km (0.112 R)
• M5: 2,988,517 km (0.105 R)
• M6: 3,419,508 km (0.085 R)
• M7: 4,130,397 km (0.074 R)
• M8: 4,730,434 km (0.091 R)
• M9: 5,167,709 km (0.034 R)
• M10: 5,993,938 km (0.095 R)
• M11: 6,664,884 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.4

Radius: 14.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.33 AU - 2.43 AU

Year: 2335 Days

Day: 14.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,285,075 km

• M1: 176,675 km (0.115 R)
• M2: 623,823 km (0.105 R)
• M3: 1,073,963 km (0.063 R)
• M4: 1,712,297 km (0.096 R)
• M5: 2,203,876 km (0.119 R)
• M6: 2,730,460 km (0.053 R)
• M7: 3,238,794 km (0.091 R)
• M8: 3,886,553 km (0.044 R)
• M9: 4,951,839 km (0.074 R)
• M10: 5,639,840 km (0.078 R)
• M11: 6,310,188 km (0.06 R)
• M12: 6,861,606 km (0.051 R)
• M13: 7,967,134 km (0.119 R)
• M14: 8,513,465 km (0.09 R)
• M15: 9,327,278 km (0.065 R)
• M16: 9,861,940 km (0.081 R)
• M17: 12,124,907 km (0.1 R)
• M18: 12,936,476 km (0.07 R)
• M19: 13,557,307 km (0.113 R)
• M20: 14,384,733 km (0.087 R)
• M21: 17,175,780 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 9.5

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.35 AU - 3.69 AU

Year: 3337 Days

Day: 8.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,285,075 km

• M1: 118,182 km (0.052 R)
• M2: 428,598 km (0.066 R)
• M3: 756,367 km (0.058 R)
• M4: 1,061,098 km (0.108 R)
• M5: 1,397,843 km (0.114 R)
• M6: 1,781,711 km (0.109 R)
• M7: 3,435,066 km (0.092 R)
• M8: 4,649,352 km (0.079 R)
• M9: 5,145,868 km (0.089 R)
• M10: 7,199,846 km (0.091 R)
• M11: 8,073,049 km (0.117 R)
• M12: 8,902,719 km (0.11 R)
• M13: 9,280,753 km (0.107 R)
• M14: 10,987,066 km (0.094 R)
• M15: 11,466,527 km (0.097 R)
• M16: 12,051,156 km (0.11 R)
• M17: 13,182,415 km (0.074 R)
• M18: 15,276,486 km (0.052 R)
• M19: 15,764,175 km (0.116 R)
• M20: 16,206,536 km (0.085 R)
• M21: 19,728,219 km (0.082 R)
• M22: 22,110,715 km (0.101 R)
• M23: 22,805,148 km (0.117 R)
• M24: 24,384,154 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453

Radius: 10.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.8 AU - 6.14 AU

Year: 9275 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,285,075 km

• M1: 131,796 km (0.037 R)
• M2: 467,942 km (0.065 R)
• M3: 835,654 km (0.111 R)
• M4: 1,646,773 km (0.081 R)
• M5: 2,269,699 km (0.097 R)
• M6: 3,257,194 km (0.097 R)
• M7: 3,959,706 km (0.037 R)
• M8: 4,374,092 km (0.088 R)
• M9: 4,874,946 km (0.085 R)
• M10: 6,091,924 km (0.097 R)
• M11: 7,657,167 km (0.109 R)
• M12: 8,344,569 km (0.043 R)
• M13: 9,249,936 km (0.079 R)
• M14: 10,267,351 km (0.096 R)
• M15: 11,357,620 km (0.117 R)
• M16: 13,420,275 km (0.11 R)
• M17: 15,467,522 km (0.107 R)
• M18: 16,631,842 km (0.108 R)
• M19: 17,992,884 km (0.061 R)
• M20: 19,500,531 km (0.097 R)
• M21: 20,021,281 km (0.056 R)
• M22: 20,704,495 km (0.102 R)
• M23: 22,929,614 km (0.07 R)
• M24: 23,761,527 km (0.072 R)
• M25: 27,199,436 km (0.093 R)
• M26: 28,701,099 km (0.035 R)
• M27: 29,472,277 km (0.088 R)
• M28: 30,754,929 km (0.057 R)
• M29: 31,766,659 km (0.057 R)
• M30: 33,114,835 km (0.077 R)
• M31: 33,537,299 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.8

Radius: 7.6

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.74 AU - 9.26 AU

Year: 17167 Days

Day: 16.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 78.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,285,075 km

• M1: 101,278 km (0.058 R)
• M2: 371,302 km (0.102 R)
• M3: 801,845 km (0.118 R)
• M4: 1,165,068 km (0.042 R)
• M5: 2,416,155 km (0.069 R)
• M6: 2,853,280 km (0.058 R)
• M7: 5,444,764 km (0.037 R)
• M8: 6,155,504 km (0.106 R)
• M9: 7,712,369 km (0.114 R)
• M10: 9,737,924 km (0.079 R)
• M11: 10,367,880 km (0.088 R)
• M12: 10,663,037 km (0.086 R)
• M13: 11,332,188 km (0.043 R)
• M14: 12,093,791 km (0.108 R)
• M15: 12,956,971 km (0.059 R)
• M16: 18,754,487 km (0.053 R)
• M17: 22,458,081 km (0.082 R)
• M18: 25,322,731 km (0.077 R)
• M19: 26,183,966 km (0.113 R)
• M20: 27,964,779 km (0.115 R)
• M21: 29,117,879 km (0.086 R)
• M22: 34,178,177 km (0.119 R)
• M23: 35,229,551 km (0.108 R)
• M24: 37,121,066 km (0.098 R)
• M25: 37,396,625 km (0.066 R)
• M26: 38,231,681 km (0.116 R)
• M27: 41,845,516 km (0.11 R)
• M28: 42,144,114 km (0.029 R)
• M29: 44,119,554 km (0.104 R)
• M30: 52,466,666 km (0.097 R)
• M31: 59,705,857 km (0.054 R)
• M32: 62,388,894 km (0.069 R)
• M33: 64,751,793 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 19,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit