🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 12.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.68 AU - 0.78 AU

Year: 403 Days

Day: 6.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,013,379 km

• M1: 157,975 km (0.1 R)
• M2: 693,536 km (0.077 R)
• M3: 1,281,156 km (0.082 R)
• M4: 1,698,684 km (0.108 R)
• M5: 2,435,005 km (0.119 R)
• M6: 3,422,201 km (0.098 R)
• M7: 3,818,486 km (0.098 R)
• M8: 4,385,611 km (0.11 R)
• M9: 4,931,344 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 10.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.63 AU - 0.87 AU

Year: 419 Days

Day: 8 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,013,379 km

• M1: 135,685 km (0.118 R)
• M2: 493,972 km (0.051 R)
• M3: 893,548 km (0.027 R)
• M4: 1,303,596 km (0.103 R)
• M5: 1,678,937 km (0.082 R)
• M6: 2,169,169 km (0.106 R)
• M7: 3,417,264 km (0.076 R)
• M8: 3,869,798 km (0.041 R)
• M9: 4,403,862 km (0.093 R)
• M10: 5,328,377 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.3

Radius: 10.6

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.76 AU - 0.88 AU

Year: 479 Days

Day: 13.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 91,013,379 km

• M1: 149,598 km (0.1 R)
• M2: 511,625 km (0.069 R)
• M3: 1,017,116 km (0.09 R)
• M4: 1,551,031 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.7

Radius: 12.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.79 AU - 2.43 AU

Year: 1979 Days

Day: 7 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,013,379 km

• M1: 156,330 km (0.117 R)
• M2: 556,953 km (0.093 R)
• M3: 1,414,747 km (0.055 R)
• M4: 2,215,245 km (0.107 R)
• M5: 3,326,159 km (0.115 R)
• M6: 4,778,006 km (0.077 R)
• M7: 6,224,468 km (0.041 R)
• M8: 6,796,530 km (0.066 R)
• M9: 8,148,446 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 12.2

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.02 AU - 2.64 AU

Year: 2296 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,013,379 km

• M1: 151,692 km (0.07 R)
• M2: 608,863 km (0.073 R)
• M3: 1,168,958 km (0.095 R)
• M4: 1,641,537 km (0.076 R)
• M5: 2,088,237 km (0.091 R)
• M6: 2,873,625 km (0.111 R)
• M7: 3,621,615 km (0.079 R)
• M8: 5,578,804 km (0.111 R)
• M9: 6,493,146 km (0.116 R)
• M10: 7,384,151 km (0.086 R)
• M11: 9,949,605 km (0.113 R)
• M12: 11,656,816 km (0.103 R)
• M13: 13,733,533 km (0.1 R)
• M14: 15,346,647 km (0.118 R)
• M15: 16,097,030 km (0.11 R)
• M16: 16,558,988 km (0.052 R)
• M17: 18,384,382 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.4

Radius: 12.2

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.63 AU - 3.95 AU

Year: 4764 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,013,379 km

• M1: 151,692 km (0.117 R)
• M2: 729,589 km (0.105 R)
• M3: 1,135,298 km (0.051 R)
• M4: 1,646,325 km (0.089 R)
• M5: 2,246,511 km (0.057 R)
• M6: 3,105,053 km (0.082 R)
• M7: 6,066,194 km (0.086 R)
• M8: 10,452,702 km (0.11 R)
• M9: 11,002,026 km (0.091 R)
• M10: 17,097,840 km (0.117 R)
• M11: 18,448,559 km (0.038 R)
• M12: 22,927,669 km (0.117 R)
• M13: 30,420,428 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.6

Radius: 7.2

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.11 AU - 7.15 AU

Year: 11023 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,013,379 km

• M1: 89,609 km (0.106 R)
• M2: 324,478 km (0.066 R)
• M3: 639,082 km (0.106 R)
• M4: 863,928 km (0.101 R)
• M5: 1,374,804 km (0.112 R)
• M6: 1,698,385 km (0.052 R)
• M7: 2,124,739 km (0.115 R)
• M8: 2,787,607 km (0.113 R)
• M9: 3,074,984 km (0.071 R)
• M10: 3,309,254 km (0.063 R)
• M11: 3,761,489 km (0.119 R)
• M12: 4,311,411 km (0.113 R)
• M13: 4,575,750 km (0.05 R)
• M14: 5,137,191 km (0.053 R)
• M15: 5,778,667 km (0.086 R)
• M16: 6,137,103 km (0.09 R)
• M17: 7,509,813 km (0.066 R)
• M18: 8,112,393 km (0.098 R)
• M19: 9,123,675 km (0.102 R)
• M20: 10,165,175 km (0.119 R)
• M21: 13,265,142 km (0.08 R)
• M22: 13,512,577 km (0.112 R)
• M23: 15,129,581 km (0.096 R)
• M24: 18,820,310 km (0.071 R)
• M25: 19,290,496 km (0.058 R)
• M26: 23,428,373 km (0.107 R)
• M27: 27,216,341 km (0.078 R)
• M28: 28,943,149 km (0.106 R)
• M29: 29,255,210 km (0.1 R)
• M30: 31,613,022 km (0.094 R)
• M31: 33,519,647 km (0.066 R)
• M32: 39,442,077 km (0.108 R)
• M33: 48,032,884 km (0.096 R)

Asteroid Belt

Center: 8.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.4

Radius: 4.1

Gravity: 49.46 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 9.42 AU - 12.7 AU

Year: 23749 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,013,379 km

• M1: 51,910 km (0.042 R)
• M2: 200,461 km (0.106 R)
• M3: 339,886 km (0.113 R)
• M4: 694,882 km (0.11 R)
• M5: 905,516 km (0.07 R)
• M6: 1,421,778 km (0.086 R)
• M7: 1,821,653 km (0.048 R)
• M8: 4,155,081 km (0.08 R)
• M9: 4,366,014 km (0.053 R)
• M10: 6,412,363 km (0.079 R)
• M11: 8,175,224 km (0.047 R)
• M12: 8,732,776 km (0.083 R)
• M13: 15,020,374 km (0.091 R)
• M14: 15,601,412 km (0.027 R)
• M15: 17,434,136 km (0.028 R)
• M16: 19,896,068 km (0.082 R)
• M17: 21,625,120 km (0.055 R)
• M18: 21,835,006 km (0.089 R)
• M19: 22,904,332 km (0.071 R)
• M20: 26,083,586 km (0.098 R)
• M21: 28,652,480 km (0.058 R)
• M22: 29,160,215 km (0.093 R)
• M23: 31,251,145 km (0.083 R)
• M24: 31,788,949 km (0.111 R)
• M25: 32,333,037 km (0.116 R)
• M26: 32,470,068 km (0.05 R)
• M27: 36,169,025 km (0.077 R)
• M28: 37,663,358 km (0.075 R)
• M29: 41,578,335 km (0.085 R)
• M30: 43,383,682 km (0.12 R)
• M31: 43,550,334 km (0.1 R)
• M32: 43,717,435 km (0.11 R)
• M33: 45,069,500 km (0.028 R)
• M34: 45,240,490 km (0.107 R)
• M35: 46,101,725 km (0.091 R)
• M36: 60,779,969 km (0.101 R)
• M37: 61,617,568 km (0.065 R)
• M38: 62,462,945 km (0.075 R)
• M39: 80,277,509 km (0.059 R)
• M40: 86,716,650 km (0.074 R)
• M41: 89,926,122 km (0.028 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 12,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit