🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22

Radius: 8.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.64 AU - 1 AU

Year: 513 Days

Day: 14 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,746,583 km

• M1: 105,915 km (0.114 R)
• M2: 381,624 km (0.099 R)
• M3: 1,049,579 km (0.111 R)
• M4: 1,670,559 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.2

Radius: 8.8

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.98 AU - 1.26 AU

Year: 818 Days

Day: 13.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,746,583 km

• M1: 109,506 km (0.088 R)
• M2: 408,402 km (0.048 R)
• M3: 753,674 km (0.116 R)
• M4: 1,099,096 km (0.102 R)
• M5: 1,422,975 km (0.114 R)
• M6: 1,810,583 km (0.106 R)
• M7: 2,203,876 km (0.059 R)
• M8: 2,559,171 km (0.119 R)
• M9: 2,952,314 km (0.103 R)
• M10: 3,543,974 km (0.093 R)
• M11: 4,114,540 km (0.111 R)
• M12: 4,516,360 km (0.111 R)
• M13: 4,962,760 km (0.114 R)
• M14: 5,985,560 km (0.118 R)
• M15: 6,771,996 km (0.102 R)
• M16: 8,549,219 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 13.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.3 AU - 1.58 AU

Year: 1193 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,746,583 km

• M1: 165,455 km (0.043 R)
• M2: 613,501 km (0.085 R)
• M3: 1,157,289 km (0.087 R)
• M4: 1,663,977 km (0.082 R)
• M5: 2,262,069 km (0.109 R)
• M6: 2,812,440 km (0.113 R)
• M7: 3,451,522 km (0.117 R)
• M8: 4,221,054 km (0.106 R)
• M9: 5,284,096 km (0.109 R)
• M10: 6,637,358 km (0.07 R)
• M11: 7,434,117 km (0.032 R)
• M12: 8,072,750 km (0.103 R)
• M13: 10,210,952 km (0.105 R)
• M14: 11,307,654 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 15

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.16 AU - 2.26 AU

Year: 2268 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,746,583 km

• M1: 187,596 km (0.11 R)
• M2: 957,426 km (0.045 R)
• M3: 1,746,256 km (0.104 R)
• M4: 2,226,166 km (0.114 R)
• M5: 3,164,294 km (0.081 R)
• M6: 3,834,493 km (0.075 R)
• M7: 4,313,056 km (0.066 R)
• M8: 4,962,461 km (0.077 R)
• M9: 6,122,293 km (0.094 R)
• M10: 6,972,757 km (0.069 R)
• M11: 7,631,885 km (0.051 R)
• M12: 8,395,133 km (0.102 R)
• M13: 9,377,842 km (0.072 R)
• M14: 11,338,920 km (0.098 R)
• M15: 11,969,176 km (0.091 R)
• M16: 12,539,892 km (0.062 R)
• M17: 13,429,999 km (0.077 R)
• M18: 14,452,949 km (0.101 R)
• M19: 16,404,454 km (0.112 R)
• M20: 17,160,521 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.2

Radius: 8.5

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.46 AU - 4.1 AU

Year: 5073 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,746,583 km

• M1: 105,766 km (0.09 R)
• M2: 404,812 km (0.09 R)
• M3: 936,632 km (0.088 R)
• M4: 1,220,868 km (0.08 R)
• M5: 1,588,729 km (0.108 R)
• M6: 2,121,148 km (0.115 R)
• M7: 4,195,173 km (0.111 R)
• M8: 6,960,191 km (0.113 R)
• M9: 7,243,828 km (0.115 R)
• M10: 9,407,911 km (0.097 R)
• M11: 11,085,950 km (0.119 R)
• M12: 12,326,865 km (0.096 R)
• M13: 14,558,715 km (0.079 R)
• M14: 14,906,530 km (0.093 R)
• M15: 15,861,114 km (0.075 R)
• M16: 16,855,940 km (0.095 R)
• M17: 18,024,150 km (0.071 R)
• M18: 18,425,222 km (0.05 R)
• M19: 21,105,716 km (0.063 R)
• M20: 23,794,888 km (0.076 R)
• M21: 27,313,579 km (0.068 R)
• M22: 27,665,733 km (0.091 R)
• M23: 30,593,363 km (0.09 R)
• M24: 31,356,312 km (0.038 R)
• M25: 33,019,691 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 12.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.37 AU - 4.37 AU

Year: 5255 Days

Day: 11.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,746,583 km

• M1: 155,582 km (0.096 R)
• M2: 555,756 km (0.086 R)
• M3: 1,517,371 km (0.114 R)
• M4: 2,286,603 km (0.084 R)
• M5: 4,502,148 km (0.096 R)
• M6: 5,974,789 km (0.099 R)
• M7: 6,931,318 km (0.059 R)
• M8: 8,302,831 km (0.107 R)
• M9: 9,768,292 km (0.055 R)
• M10: 12,537,199 km (0.106 R)
• M11: 13,949,553 km (0.07 R)
• M12: 24,137,168 km (0.103 R)
• M13: 24,651,635 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.8

Radius: 3.5

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.37 AU - 6.31 AU

Year: 9742 Days

Day: 21.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,746,583 km

• M1: 45,328 km (0.091 R)
• M2: 158,574 km (0.093 R)
• M3: 292,464 km (0.112 R)
• M4: 423,212 km (0.093 R)
• M5: 850,464 km (0.086 R)
• M6: 964,457 km (0.099 R)
• M7: 1,159,383 km (0.107 R)
• M8: 1,380,040 km (0.067 R)
• M9: 1,549,535 km (0.046 R)
• M10: 2,976,399 km (0.086 R)
• M11: 4,154,632 km (0.099 R)
• M12: 4,395,933 km (0.09 R)
• M13: 7,316,084 km (0.091 R)
• M14: 7,635,475 km (0.11 R)
• M15: 9,262,352 km (0.105 R)
• M16: 10,097,557 km (0.076 R)
• M17: 11,148,033 km (0.099 R)
• M18: 11,829,452 km (0.114 R)
• M19: 12,136,127 km (0.107 R)
• M20: 14,433,053 km (0.098 R)
• M21: 18,135,451 km (0.07 R)
• M22: 18,484,463 km (0.113 R)
• M23: 18,897,353 km (0.096 R)
• M24: 20,610,398 km (0.106 R)
• M25: 20,863,218 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.1

Radius: 7.6

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.51 AU - 6.35 AU

Year: 9968 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,746,583 km

• M1: 94,845 km (0.095 R)
• M2: 333,603 km (0.117 R)
• M3: 583,282 km (0.099 R)
• M4: 901,327 km (0.096 R)
• M5: 1,357,601 km (0.033 R)
• M6: 1,680,732 km (0.087 R)
• M7: 2,038,570 km (0.092 R)
• M8: 2,748,113 km (0.042 R)
• M9: 3,358,323 km (0.066 R)
• M10: 4,932,990 km (0.065 R)
• M11: 6,513,342 km (0.089 R)
• M12: 6,909,926 km (0.114 R)
• M13: 7,246,222 km (0.057 R)
• M14: 8,238,205 km (0.063 R)
• M15: 9,139,084 km (0.067 R)
• M16: 12,452,676 km (0.101 R)
• M17: 13,007,684 km (0.074 R)
• M18: 14,406,724 km (0.106 R)
• M19: 14,832,928 km (0.072 R)
• M20: 15,204,978 km (0.11 R)
• M21: 16,889,749 km (0.117 R)
• M22: 21,245,441 km (0.09 R)
• M23: 21,639,033 km (0.038 R)
• M24: 23,013,837 km (0.072 R)
• M25: 23,345,496 km (0.04 R)
• M26: 23,849,192 km (0.106 R)
• M27: 28,331,593 km (0.072 R)
• M28: 29,388,053 km (0.077 R)
• M29: 29,680,666 km (0.1 R)
• M30: 37,186,740 km (0.057 R)
• M31: 39,390,765 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 11,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit