🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.3

Radius: 8.3

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.6 AU - 0.9 AU

Year: 419 Days

Day: 11.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,369,626 km

• M1: 103,522 km (0.107 R)
• M2: 391,647 km (0.12 R)
• M3: 718,967 km (0.073 R)
• M4: 1,074,113 km (0.053 R)
• M5: 1,466,209 km (0.094 R)
• M6: 1,821,055 km (0.105 R)
• M7: 2,105,590 km (0.101 R)
• M8: 2,465,971 km (0.059 R)
• M9: 2,887,688 km (0.069 R)
• M10: 4,056,346 km (0.035 R)
• M11: 4,351,054 km (0.04 R)
• M12: 4,761,401 km (0.087 R)
• M13: 5,181,921 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 12.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.69 AU - 1.81 AU

Year: 1495 Days

Day: 5.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,369,626 km

• M1: 159,172 km (0.074 R)
• M2: 882,478 km (0.112 R)
• M3: 1,569,730 km (0.047 R)
• M4: 1,989,502 km (0.087 R)
• M5: 2,509,205 km (0.106 R)
• M6: 2,927,481 km (0.101 R)
• M7: 3,377,920 km (0.116 R)
• M8: 3,989,626 km (0.065 R)
• M9: 4,491,676 km (0.114 R)
• M10: 5,644,776 km (0.095 R)
• M11: 6,325,148 km (0.119 R)
• M12: 7,183,241 km (0.064 R)
• M13: 8,529,921 km (0.113 R)
• M14: 9,577,555 km (0.059 R)
• M15: 10,418,295 km (0.069 R)
• M16: 11,477,597 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 14.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.83 AU - 3.09 AU

Year: 3288 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,369,626 km

• M1: 185,950 km (0.069 R)
• M2: 688,001 km (0.09 R)
• M3: 1,177,934 km (0.061 R)
• M4: 1,678,339 km (0.106 R)
• M5: 2,905,041 km (0.11 R)
• M6: 4,600,434 km (0.09 R)
• M7: 7,780,735 km (0.079 R)
• M8: 8,992,478 km (0.105 R)
• M9: 15,073,631 km (0.072 R)
• M10: 15,616,671 km (0.087 R)
• M11: 17,217,668 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886

Radius: 7.5

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.89 AU - 6.27 AU

Year: 9680 Days

Day: 21.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,369,626 km

• M1: 93,349 km (0.115 R)
• M2: 471,532 km (0.101 R)
• M3: 798,404 km (0.11 R)
• M4: 1,142,629 km (0.103 R)
• M5: 1,376,450 km (0.119 R)
• M6: 1,860,549 km (0.112 R)
• M7: 2,473,302 km (0.11 R)
• M8: 2,719,240 km (0.112 R)
• M9: 3,027,113 km (0.089 R)
• M10: 4,866,718 km (0.094 R)
• M11: 5,123,577 km (0.097 R)
• M12: 5,699,529 km (0.06 R)
• M13: 5,948,909 km (0.074 R)
• M14: 7,860,919 km (0.075 R)
• M15: 8,260,346 km (0.077 R)
• M16: 11,166,883 km (0.08 R)
• M17: 11,901,259 km (0.049 R)
• M18: 12,309,661 km (0.073 R)
• M19: 14,892,618 km (0.072 R)
• M20: 15,435,658 km (0.081 R)
• M21: 18,044,046 km (0.082 R)
• M22: 21,101,378 km (0.102 R)
• M23: 25,724,551 km (0.108 R)
• M24: 29,261,044 km (0.109 R)
• M25: 33,338,185 km (0.086 R)
• M26: 33,916,680 km (0.098 R)
• M27: 35,452,152 km (0.116 R)
• M28: 37,280,687 km (0.055 R)
• M29: 46,938,725 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456

Radius: 3.8

Gravity: 31.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.33 AU - 6.85 AU

Year: 10923 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,369,626 km

• M1: 47,273 km (0.113 R)
• M2: 179,667 km (0.095 R)
• M3: 469,737 km (0.103 R)
• M4: 608,115 km (0.116 R)
• M5: 1,052,271 km (0.111 R)
• M6: 1,305,391 km (0.102 R)
• M7: 1,446,462 km (0.092 R)
• M8: 1,640,789 km (0.119 R)
• M9: 3,036,837 km (0.076 R)
• M10: 4,169,293 km (0.066 R)
• M11: 4,799,548 km (0.079 R)
• M12: 5,328,377 km (0.1 R)
• M13: 5,556,963 km (0.114 R)
• M14: 6,318,266 km (0.094 R)
• M15: 7,710,125 km (0.084 R)
• M16: 8,259,298 km (0.085 R)
• M17: 8,565,525 km (0.083 R)
• M18: 10,412,161 km (0.085 R)
• M19: 10,977,492 km (0.116 R)
• M20: 11,780,832 km (0.077 R)
• M21: 12,911,942 km (0.076 R)
• M22: 13,264,843 km (0.109 R)
• M23: 14,997,635 km (0.051 R)
• M24: 16,052,600 km (0.103 R)
• M25: 16,529,368 km (0.096 R)
• M26: 17,582,537 km (0.099 R)
• M27: 20,928,892 km (0.037 R)
• M28: 31,202,376 km (0.043 R)
• M29: 33,352,845 km (0.109 R)
• M30: 34,016,611 km (0.116 R)
• M31: 35,028,940 km (0.073 R)
• M32: 37,113,437 km (0.099 R)
• M33: 42,553,713 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.2

Radius: 5.6

Gravity: 19.27 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.64 AU - 8.44 AU

Year: 14720 Days

Day: 18.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,369,626 km

• M1: 71,657 km (0.089 R)
• M2: 270,174 km (0.106 R)
• M3: 604,375 km (0.058 R)
• M4: 1,078,152 km (0.065 R)
• M5: 1,318,855 km (0.089 R)
• M6: 1,998,328 km (0.039 R)
• M7: 3,540,084 km (0.099 R)
• M8: 4,285,530 km (0.11 R)
• M9: 4,471,480 km (0.116 R)
• M10: 4,662,816 km (0.095 R)
• M11: 5,411,853 km (0.07 R)
• M12: 5,890,566 km (0.087 R)
• M13: 6,558,520 km (0.117 R)
• M14: 7,016,888 km (0.12 R)
• M15: 8,375,536 km (0.072 R)
• M16: 8,618,034 km (0.046 R)
• M17: 9,954,691 km (0.058 R)
• M18: 14,025,100 km (0.105 R)
• M19: 15,354,426 km (0.091 R)
• M20: 16,996,113 km (0.093 R)
• M21: 22,338,253 km (0.104 R)
• M22: 26,150,905 km (0.093 R)
• M23: 26,564,842 km (0.115 R)
• M24: 26,773,531 km (0.058 R)
• M25: 33,431,384 km (0.115 R)
• M26: 35,284,453 km (0.118 R)
• M27: 36,686,035 km (0.101 R)
• M28: 38,656,688 km (0.094 R)
• M29: 43,526,847 km (0.094 R)
• M30: 49,891,787 km (0.063 R)
• M31: 50,528,476 km (0.118 R)
• M32: 51,980,922 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.4

Radius: 5.6

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.02 AU - 11.74 AU

Year: 20052 Days

Day: 15.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,369,626 km

• M1: 71,358 km (0.09 R)
• M2: 314,305 km (0.096 R)
• M3: 748,438 km (0.098 R)
• M4: 1,025,643 km (0.051 R)
• M5: 1,312,123 km (0.059 R)
• M6: 1,505,553 km (0.088 R)
• M7: 2,245,314 km (0.096 R)
• M8: 2,730,460 km (0.105 R)
• M9: 2,948,125 km (0.118 R)
• M10: 3,309,703 km (0.116 R)
• M11: 4,708,443 km (0.1 R)
• M12: 6,169,865 km (0.071 R)
• M13: 6,804,758 km (0.061 R)
• M14: 8,658,426 km (0.079 R)
• M15: 9,398,785 km (0.071 R)
• M16: 10,646,132 km (0.101 R)
• M17: 11,065,156 km (0.041 R)
• M18: 11,682,846 km (0.098 R)
• M19: 13,258,410 km (0.109 R)
• M20: 14,168,414 km (0.046 R)
• M21: 15,802,322 km (0.104 R)
• M22: 16,034,349 km (0.07 R)
• M23: 16,664,604 km (0.114 R)
• M24: 18,058,109 km (0.062 R)
• M25: 19,087,492 km (0.049 R)
• M26: 22,998,129 km (0.105 R)
• M27: 24,618,424 km (0.074 R)
• M28: 26,968,457 km (0.093 R)
• M29: 27,746,366 km (0.096 R)
• M30: 28,768,568 km (0.039 R)
• M31: 29,580,735 km (0.098 R)
• M32: 32,606,352 km (0.087 R)
• M33: 33,744,193 km (0.071 R)
• M34: 36,771,905 km (0.061 R)
• M35: 41,571,752 km (0.081 R)
• M36: 41,866,460 km (0.112 R)
• M37: 44,735,897 km (0.105 R)
• M38: 48,381,447 km (0.089 R)
• M39: 67,756,765 km (0.09 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 12,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit