🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.2

Radius: 12.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.49 AU - 0.57 AU

Year: 271 Days

Day: 5.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 104.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 82,730,103 km

• M1: 159,471 km (0.077 R)
• M2: 904,469 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.3

Radius: 12.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.34 AU - 1.76 AU

Year: 1356 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,730,103 km

• M1: 154,235 km (0.095 R)
• M2: 547,079 km (0.064 R)
• M3: 964,757 km (0.067 R)
• M4: 1,450,950 km (0.106 R)
• M5: 2,133,415 km (0.117 R)
• M6: 2,775,190 km (0.118 R)
• M7: 4,211,928 km (0.099 R)
• M8: 5,043,842 km (0.111 R)
• M9: 6,908,579 km (0.113 R)
• M10: 8,603,523 km (0.083 R)
• M11: 9,256,219 km (0.106 R)
• M12: 10,428,318 km (0.083 R)
• M13: 12,093,342 km (0.117 R)
• M14: 12,723,449 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.7

Radius: 11.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.25 AU - 2.39 AU

Year: 2484 Days

Day: 15 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,730,103 km

• M1: 148,102 km (0.109 R)
• M2: 624,870 km (0.118 R)
• M3: 1,051,224 km (0.093 R)
• M4: 1,974,393 km (0.06 R)
• M5: 2,355,867 km (0.08 R)
• M6: 2,854,776 km (0.111 R)
• M7: 3,270,808 km (0.111 R)
• M8: 3,810,557 km (0.047 R)
• M9: 4,502,148 km (0.08 R)
• M10: 5,998,127 km (0.108 R)
• M11: 8,740,555 km (0.085 R)
• M12: 11,681,499 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.3

Radius: 13.6

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.69 AU - 2.77 AU

Year: 3171 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,730,103 km

• M1: 169,195 km (0.08 R)
• M2: 683,513 km (0.077 R)
• M3: 1,916,050 km (0.06 R)
• M4: 2,782,670 km (0.115 R)
• M5: 3,275,296 km (0.114 R)
• M6: 5,137,490 km (0.088 R)
• M7: 6,347,587 km (0.092 R)
• M8: 8,029,367 km (0.052 R)
• M9: 8,754,467 km (0.081 R)
• M10: 9,197,427 km (0.068 R)
• M11: 10,301,010 km (0.091 R)
• M12: 11,946,138 km (0.061 R)
• M13: 12,452,377 km (0.104 R)
• M14: 13,633,752 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 9.4

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.39 AU - 3.19 AU

Year: 3276 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,730,103 km

• M1: 122,072 km (0.035 R)
• M2: 450,290 km (0.113 R)
• M3: 787,633 km (0.095 R)
• M4: 1,260,661 km (0.047 R)
• M5: 1,827,787 km (0.107 R)
• M6: 2,918,954 km (0.079 R)
• M7: 3,934,723 km (0.07 R)
• M8: 4,512,021 km (0.048 R)
• M9: 5,807,988 km (0.092 R)
• M10: 8,746,688 km (0.076 R)
• M11: 10,329,733 km (0.116 R)
• M12: 10,701,334 km (0.084 R)
• M13: 11,914,722 km (0.118 R)
• M14: 13,025,935 km (0.105 R)
• M15: 13,655,892 km (0.027 R)
• M16: 15,614,278 km (0.111 R)
• M17: 19,511,153 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.5

Radius: 12.5

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.08 AU - 3.32 AU

Year: 4024 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,730,103 km

• M1: 155,432 km (0.074 R)
• M2: 559,346 km (0.081 R)
• M3: 1,174,792 km (0.103 R)
• M4: 1,625,530 km (0.105 R)
• M5: 2,539,723 km (0.095 R)
• M6: 3,049,104 km (0.116 R)
• M7: 3,465,435 km (0.098 R)
• M8: 4,532,516 km (0.046 R)
• M9: 6,451,857 km (0.094 R)
• M10: 6,886,738 km (0.098 R)
• M11: 7,780,884 km (0.07 R)
• M12: 10,167,718 km (0.118 R)
• M13: 11,869,544 km (0.107 R)
• M14: 14,476,736 km (0.075 R)
• M15: 15,170,421 km (0.1 R)
• M16: 16,167,491 km (0.103 R)
• M17: 17,148,703 km (0.095 R)
• M18: 17,683,964 km (0.079 R)
• M19: 19,039,770 km (0.119 R)
• M20: 19,743,029 km (0.086 R)
• M21: 20,199,452 km (0.106 R)
• M22: 20,596,336 km (0.077 R)
• M23: 22,659,739 km (0.107 R)
• M24: 26,007,889 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.4

Radius: 6.3

Gravity: 22.99 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.39 AU - 10.03 AU

Year: 19647 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,730,103 km

• M1: 78,389 km (0.106 R)
• M2: 759,658 km (0.078 R)
• M3: 1,057,956 km (0.099 R)
• M4: 1,530,985 km (0.087 R)
• M5: 1,816,118 km (0.091 R)
• M6: 4,831,862 km (0.03 R)
• M7: 5,328,527 km (0.115 R)
• M8: 6,028,495 km (0.056 R)
• M9: 6,695,701 km (0.045 R)
• M10: 7,812,599 km (0.109 R)
• M11: 8,175,972 km (0.092 R)
• M12: 9,391,455 km (0.12 R)
• M13: 11,834,388 km (0.082 R)
• M14: 13,165,510 km (0.103 R)
• M15: 15,709,422 km (0.105 R)
• M16: 18,200,227 km (0.106 R)
• M17: 19,586,550 km (0.106 R)
• M18: 19,871,983 km (0.052 R)
• M19: 21,141,321 km (0.103 R)
• M20: 21,341,333 km (0.091 R)
• M21: 24,165,890 km (0.075 R)
• M22: 28,306,610 km (0.12 R)
• M23: 40,060,066 km (0.03 R)
• M24: 45,984,141 km (0.109 R)
• M25: 46,319,989 km (0.111 R)
• M26: 50,479,408 km (0.1 R)
• M27: 53,757,546 km (0.113 R)
• M28: 54,130,344 km (0.09 R)
• M29: 63,602,432 km (0.09 R)
• M30: 69,166,725 km (0.108 R)
• M31: 74,351,937 km (0.173 R)
• M32: 75,046,669 km (0.119 R)
• M33: 75,745,890 km (0.076 R)
• M34: 80,762,355 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 12,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit