🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.63 AU - 0.67 AU

Year: 333 Days

Day: 37.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.06 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 10.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.41 AU - 1.53 AU

Year: 1133 Days

Day: 10.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,827,596 km

• M1: 129,402 km (0.064 R)
• M2: 495,767 km (0.11 R)
• M3: 852,857 km (0.034 R)
• M4: 1,235,978 km (0.101 R)
• M5: 2,266,258 km (0.118 R)
• M6: 2,878,113 km (0.108 R)
• M7: 3,552,201 km (0.106 R)
• M8: 4,244,241 km (0.051 R)
• M9: 5,156,339 km (0.053 R)
• M10: 6,479,832 km (0.04 R)
• M11: 7,636,822 km (0.101 R)
• M12: 8,277,849 km (0.036 R)
• M13: 8,625,065 km (0.084 R)
• M14: 9,206,702 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.6

Radius: 10.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.91 AU - 2.13 AU

Year: 1825 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 104.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,827,596 km

• M1: 129,103 km (0.062 R)
• M2: 602,431 km (0.119 R)
• M3: 1,679,236 km (0.088 R)
• M4: 2,404,038 km (0.118 R)
• M5: 3,158,909 km (0.096 R)
• M6: 3,661,109 km (0.094 R)
• M7: 4,155,081 km (0.116 R)
• M8: 5,117,444 km (0.111 R)
• M9: 7,100,663 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.1

Radius: 10.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.88 AU - 3.08 AU

Year: 3271 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,827,596 km

• M1: 136,433 km (0.105 R)
• M2: 525,537 km (0.083 R)
• M3: 1,044,492 km (0.111 R)
• M4: 1,398,291 km (0.037 R)
• M5: 2,415,706 km (0.065 R)
• M6: 2,837,572 km (0.089 R)
• M7: 3,361,913 km (0.028 R)
• M8: 4,855,199 km (0.077 R)
• M9: 5,788,540 km (0.064 R)
• M10: 6,133,961 km (0.082 R)
• M11: 6,493,146 km (0.119 R)
• M12: 6,925,185 km (0.051 R)
• M13: 10,508,502 km (0.075 R)
• M14: 12,236,358 km (0.116 R)
• M15: 12,942,011 km (0.077 R)
• M16: 14,146,124 km (0.069 R)
• M17: 14,579,958 km (0.063 R)
• M18: 15,677,857 km (0.119 R)
• M19: 16,669,541 km (0.053 R)
• M20: 17,426,806 km (0.044 R)
• M21: 18,263,357 km (0.116 R)
• M22: 18,777,974 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.3

Radius: 12.2

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.99 AU - 3.19 AU

Year: 3454 Days

Day: 7 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,827,596 km

• M1: 152,291 km (0.069 R)
• M2: 559,646 km (0.066 R)
• M3: 1,221,467 km (0.072 R)
• M4: 1,648,569 km (0.089 R)
• M5: 2,028,996 km (0.105 R)
• M6: 2,418,250 km (0.039 R)
• M7: 2,815,881 km (0.114 R)
• M8: 3,745,183 km (0.08 R)
• M9: 4,433,183 km (0.081 R)
• M10: 5,182,369 km (0.064 R)
• M11: 5,850,324 km (0.105 R)
• M12: 6,327,092 km (0.069 R)
• M13: 7,170,376 km (0.079 R)
• M14: 9,111,857 km (0.093 R)
• M15: 13,023,841 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.6

Radius: 14.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.9 AU - 4.32 AU

Year: 5298 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,827,596 km

• M1: 181,612 km (0.119 R)
• M2: 1,034,020 km (0.116 R)
• M3: 1,521,410 km (0.088 R)
• M4: 2,606,593 km (0.085 R)
• M5: 3,068,252 km (0.086 R)
• M6: 3,584,963 km (0.112 R)
• M7: 4,769,928 km (0.093 R)
• M8: 6,075,319 km (0.114 R)
• M9: 7,070,444 km (0.1 R)
• M10: 8,133,187 km (0.039 R)
• M11: 11,376,170 km (0.076 R)
• M12: 15,104,897 km (0.088 R)
• M13: 16,927,897 km (0.111 R)
• M14: 17,892,504 km (0.057 R)
• M15: 19,029,747 km (0.115 R)
• M16: 20,214,711 km (0.118 R)
• M17: 21,448,296 km (0.072 R)
• M18: 25,952,239 km (0.114 R)
• M19: 27,061,507 km (0.109 R)
• M20: 27,936,056 km (0.102 R)
• M21: 29,557,697 km (0.083 R)
• M22: 31,336,565 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.9

Radius: 14.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.04 AU - 6.6 AU

Year: 8927 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,827,596 km

• M1: 185,053 km (0.11 R)
• M2: 804,089 km (0.087 R)
• M3: 1,272,479 km (0.063 R)
• M4: 1,931,757 km (0.039 R)
• M5: 2,417,352 km (0.083 R)
• M6: 4,395,036 km (0.097 R)
• M7: 4,901,125 km (0.077 R)
• M8: 5,413,049 km (0.106 R)
• M9: 7,535,993 km (0.108 R)
• M10: 8,669,795 km (0.088 R)
• M11: 13,422,819 km (0.091 R)
• M12: 13,920,830 km (0.092 R)
• M13: 15,020,225 km (0.102 R)
• M14: 15,693,565 km (0.113 R)
• M15: 19,923,295 km (0.092 R)
• M16: 20,572,250 km (0.11 R)
• M17: 21,068,167 km (0.083 R)
• M18: 22,256,573 km (0.028 R)
• M19: 24,766,675 km (0.072 R)
• M20: 29,395,982 km (0.095 R)
• M21: 30,771,684 km (0.118 R)
• M22: 33,197,114 km (0.116 R)
• M23: 35,392,313 km (0.062 R)
• M24: 38,550,773 km (0.096 R)
• M25: 39,052,823 km (0.091 R)
• M26: 39,814,127 km (0.09 R)
• M27: 44,316,724 km (0.109 R)
• M28: 46,548,574 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.2

Radius: 4.3

Gravity: 18.24 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5 AU - 7.88 AU

Year: 10391 Days

Day: 17.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,827,596 km

• M1: 85,720 km (0.055 R)
• M2: 230,830 km (0.118 R)
• M3: 373,097 km (0.067 R)
• M4: 2,017,477 km (0.069 R)
• M5: 2,164,382 km (0.083 R)
• M6: 2,335,821 km (0.084 R)
• M7: 2,988,217 km (0.101 R)
• M8: 4,235,265 km (0.082 R)
• M9: 5,106,673 km (0.054 R)
• M10: 5,957,735 km (0.089 R)
• M11: 6,158,944 km (0.099 R)
• M12: 6,504,515 km (0.052 R)
• M13: 6,682,088 km (0.115 R)
• M14: 7,502,034 km (0.12 R)
• M15: 8,941,315 km (0.071 R)
• M16: 10,028,443 km (0.104 R)
• M17: 17,141,672 km (0.117 R)
• M18: 21,905,018 km (0.03 R)
• M19: 22,465,262 km (0.115 R)
• M20: 30,641,982 km (0.069 R)
• M21: 33,719,061 km (0.118 R)
• M22: 34,465,704 km (0.101 R)
• M23: 34,680,975 km (0.063 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: 337 - 18,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit