🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.5

Radius: 8.2

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.6 AU - 0.88 AU

Year: 418 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,894,438 km

• M1: 102,026 km (0.063 R)
• M2: 419,323 km (0.049 R)
• M3: 848,070 km (0.064 R)
• M4: 1,144,274 km (0.063 R)
• M5: 1,523,954 km (0.068 R)
• M6: 2,003,115 km (0.043 R)
• M7: 2,259,975 km (0.044 R)
• M8: 3,097,873 km (0.118 R)
• M9: 3,632,535 km (0.104 R)
• M10: 3,976,461 km (0.12 R)
• M11: 4,327,717 km (0.115 R)
• M12: 5,044,141 km (0.031 R)
• M13: 5,575,662 km (0.099 R)
• M14: 6,143,835 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.5

Radius: 14

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.6 AU - 0.9 AU

Year: 426 Days

Day: 12.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,894,438 km

• M1: 174,431 km (0.034 R)
• M2: 678,426 km (0.079 R)
• M3: 1,399,937 km (0.078 R)
• M4: 2,053,231 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.7

Radius: 8.1

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.48 AU - 4.66 AU

Year: 6409 Days

Day: 5.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,894,438 km

• M1: 100,829 km (0.071 R)
• M2: 615,146 km (0.058 R)
• M3: 1,078,002 km (0.087 R)
• M4: 1,702,424 km (0.046 R)
• M5: 2,024,957 km (0.025 R)
• M6: 2,813,487 km (0.116 R)
• M7: 3,223,834 km (0.101 R)
• M8: 3,557,288 km (0.066 R)
• M9: 4,037,946 km (0.107 R)
• M10: 4,754,520 km (0.109 R)
• M11: 5,870,819 km (0.092 R)
• M12: 7,264,173 km (0.099 R)
• M13: 7,800,332 km (0.094 R)
• M14: 9,212,087 km (0.049 R)
• M15: 9,612,710 km (0.094 R)
• M16: 10,592,726 km (0.113 R)
• M17: 11,383,052 km (0.06 R)
• M18: 12,053,699 km (0.117 R)
• M19: 12,804,979 km (0.116 R)
• M20: 18,749,550 km (0.101 R)
• M21: 23,652,171 km (0.082 R)
• M22: 28,683,597 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.8

Radius: 13.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.61 AU - 5.65 AU

Year: 7622 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,894,438 km

• M1: 167,849 km (0.094 R)
• M2: 786,885 km (0.114 R)
• M3: 1,423,573 km (0.086 R)
• M4: 1,927,868 km (0.04 R)
• M5: 3,646,149 km (0.061 R)
• M6: 5,149,757 km (0.098 R)
• M7: 6,674,159 km (0.04 R)
• M8: 8,072,301 km (0.08 R)
• M9: 8,523,339 km (0.056 R)
• M10: 9,657,440 km (0.064 R)
• M11: 10,791,242 km (0.099 R)
• M12: 11,595,181 km (0.113 R)
• M13: 18,035,220 km (0.042 R)
• M14: 21,810,023 km (0.067 R)
• M15: 22,769,394 km (0.09 R)
• M16: 23,259,627 km (0.07 R)
• M17: 24,092,139 km (0.096 R)
• M18: 25,204,100 km (0.066 R)
• M19: 26,890,367 km (0.103 R)
• M20: 28,180,200 km (0.095 R)
• M21: 28,745,380 km (0.101 R)
• M22: 31,082,548 km (0.092 R)
• M23: 33,020,439 km (0.096 R)
• M24: 34,499,214 km (0.079 R)
• M25: 35,582,153 km (0.078 R)
• M26: 38,619,289 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 12.5

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.96 AU - 6.34 AU

Year: 7667 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,894,438 km

• M1: 230,530 km (0.119 R)
• M2: 1,143,377 km (0.106 R)
• M3: 1,776,176 km (0.116 R)
• M4: 2,891,278 km (0.091 R)
• M5: 3,586,160 km (0.108 R)
• M6: 5,793,626 km (0.077 R)
• M7: 9,467,750 km (0.092 R)
• M8: 10,517,329 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.4

Radius: 5.5

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.24 AU - 8.68 AU

Year: 13366 Days

Day: 21.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,894,438 km

• M1: 98,286 km (0.117 R)
• M2: 337,792 km (0.035 R)
• M3: 847,322 km (0.117 R)
• M4: 1,286,542 km (0.06 R)
• M5: 1,467,705 km (0.099 R)
• M6: 1,931,009 km (0.113 R)
• M7: 2,371,425 km (0.085 R)
• M8: 3,623,560 km (0.08 R)
• M9: 4,493,022 km (0.112 R)
• M10: 5,361,288 km (0.104 R)
• M11: 6,711,260 km (0.111 R)
• M12: 7,101,261 km (0.095 R)
• M13: 7,464,934 km (0.089 R)
• M14: 8,813,259 km (0.113 R)
• M15: 10,113,414 km (0.073 R)
• M16: 14,007,148 km (0.101 R)
• M17: 23,759,433 km (0.108 R)
• M18: 32,407,536 km (0.083 R)
• M19: 36,526,415 km (0.084 R)
• M20: 36,764,874 km (0.117 R)
• M21: 42,017,704 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.1

Radius: 6.2

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.46 AU - 9.68 AU

Year: 19421 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,894,438 km

• M1: 77,043 km (0.109 R)
• M2: 286,330 km (0.039 R)
• M3: 706,551 km (0.114 R)
• M4: 1,483,412 km (0.065 R)
• M5: 1,896,003 km (0.108 R)
• M6: 2,089,433 km (0.087 R)
• M7: 2,585,051 km (0.042 R)
• M8: 3,129,587 km (0.085 R)
• M9: 3,838,083 km (0.092 R)
• M10: 6,174,054 km (0.08 R)
• M11: 6,913,666 km (0.119 R)
• M12: 7,281,527 km (0.119 R)
• M13: 9,542,250 km (0.116 R)
• M14: 11,139,656 km (0.083 R)
• M15: 11,581,269 km (0.076 R)
• M16: 12,838,788 km (0.032 R)
• M17: 13,893,902 km (0.111 R)
• M18: 18,783,658 km (0.08 R)
• M19: 19,229,011 km (0.098 R)
• M20: 23,869,537 km (0.11 R)
• M21: 24,391,933 km (0.065 R)
• M22: 30,043,740 km (0.058 R)
• M23: 39,626,980 km (0.072 R)
• M24: 48,020,767 km (0.112 R)
• M25: 58,087,507 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.6

Radius: 4.4

Gravity: 29.27 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.95 AU - 10.97 AU

Year: 20620 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,894,438 km

• M1: 54,902 km (0.056 R)
• M2: 267,780 km (0.089 R)
• M3: 406,308 km (0.033 R)
• M4: 739,013 km (0.091 R)
• M5: 1,320,201 km (0.096 R)
• M6: 2,309,791 km (0.06 R)
• M7: 2,768,757 km (0.081 R)
• M8: 3,684,745 km (0.055 R)
• M9: 4,786,683 km (0.103 R)
• M10: 5,336,455 km (0.106 R)
• M11: 5,489,943 km (0.078 R)
• M12: 5,886,527 km (0.11 R)
• M13: 7,617,224 km (0.1 R)
• M14: 8,313,303 km (0.119 R)
• M15: 8,571,808 km (0.115 R)
• M16: 11,084,005 km (0.027 R)
• M17: 11,716,505 km (0.038 R)
• M18: 14,938,544 km (0.114 R)
• M19: 16,025,223 km (0.057 R)
• M20: 19,059,816 km (0.1 R)
• M21: 22,756,379 km (0.115 R)
• M22: 25,577,945 km (0.103 R)
• M23: 28,741,341 km (0.087 R)
• M24: 33,698,716 km (0.099 R)
• M25: 39,923,034 km (0.043 R)
• M26: 41,703,548 km (0.097 R)
• M27: 43,073,117 km (0.1 R)
• M28: 43,691,255 km (0.117 R)
• M29: 48,851,633 km (0.117 R)
• M30: 52,450,061 km (0.086 R)
• M31: 53,509,662 km (0.112 R)
• M32: 54,583,476 km (0.085 R)
• M33: 58,643,861 km (0.029 R)
• M34: 62,703,050 km (0.081 R)
• M35: 67,774,867 km (0.077 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 18,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit